Merge tag 'pinctrl-v4.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl

Pull pincontrol updates from Linus Walleij:
 "This is the bulk of pin control changes for the v4.1 development
  cycle.  Nothing really exciting this time: we basically added a few
  new drivers and subdrivers and stabilized them in linux-next.  Some
  cleanups too.  With sunrisepoint Intel has a real fine fully featured
  pin control driver for contemporary hardware, and the AMD driver is
  also for large deployments.  Most of the others are ARM devices.

  New drivers:
    - Intel Sunrisepoint
    - AMD KERNCZ GPIO
    - Broadcom Cygnus IOMUX

  New subdrivers:
    - Marvell MVEBU Armada 39x SoCs
    - Samsung Exynos 5433
    - nVidia Tegra 210
    - Mediatek MT8135
    - Mediatek MT8173
    - AMLogic Meson8b
    - Qualcomm PM8916

  On top of this cleanups and development history for the above drivers
  as issues were fixed after merging"

* tag 'pinctrl-v4.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (71 commits)
  pinctrl: sirf: move sgpio lock into state container
  pinctrl: Add support for PM8916 GPIO's and MPP's
  pinctrl: bcm2835: Fix support for threaded level triggered IRQs
  sh-pfc: r8a7790: add EtherAVB pin groups
  pinctrl: Document "function" + "pins" pinmux binding
  pinctrl: intel: Add Intel Sunrisepoint pin controller and GPIO support
  pinctrl: fsl: imx: Check for 0 config register
  pinctrl: Add support for Meson8b
  documentation: Extend pinctrl docs for Meson8b
  pinctrl: Cleanup Meson8 driver
  Fix inconsistent spinlock of AMD GPIO driver which can be recognized by static analysis tool smatch. Declare constant Variables with Sparse's suggestion.
  pinctrl: at91: convert __raw to endian agnostic IO
  pinctrl: constify of_device_id array
  pinctrl: pinconf-generic: add dt node names to error messages
  pinctrl: pinconf-generic: scan also referenced phandle node
  pinctrl: mvebu: add suspend/resume support to Armada XP pinctrl driver
  pinctrl: st: Display pin's function when printing pinctrl debug information
  pinctrl: st: Show correct pin direction also in GPIO mode
  pinctrl: st: Supply a GPIO get_direction() call-back
  pinctrl: st: Move st_get_pio_control() further up the source file
  ...

Documentation/devicetree/bindings/pinctrl/brcm,cygnus-gpio.txt

+Broadcom Cygnus GPIO/PINCONF Controller
+
+Required properties:
+
+- compatible:
+    Must be "brcm,cygnus-ccm-gpio", "brcm,cygnus-asiu-gpio", or
+    "brcm,cygnus-crmu-gpio"
+
+- reg:
+    Define the base and range of the I/O address space that contains the Cygnus
+GPIO/PINCONF controller registers
+
+- #gpio-cells:
+    Must be two. The first cell is the GPIO pin number (within the
+controller's pin space) and the second cell is used for the following:
+    bit[0]: polarity (0 for active high and 1 for active low)
+
+- gpio-controller:
+    Specifies that the node is a GPIO controller
+
+Optional properties:
+
+- interrupts:
+    Interrupt ID
+
+- interrupt-controller:
+    Specifies that the node is an interrupt controller
+
+- pinmux:
+    Specifies the phandle to the IOMUX device, where pins can be individually
+muxed to GPIO
+
+Supported generic PINCONF properties in child nodes:
+
+- pins:
+    The list of pins (within the controller's own pin space) that properties
+in the node apply to. Pin names are "gpio-<pin>"
+
+- bias-disable:
+    Disable pin bias
+
+- bias-pull-up:
+    Enable internal pull up resistor
+
+- bias-pull-down:
+    Enable internal pull down resistor
+
+- drive-strength:
+    Valid drive strength values include 2, 4, 6, 8, 10, 12, 14, 16 (mA)
+
+Example:
+	gpio_ccm: gpio@1800a000 {
+		compatible = "brcm,cygnus-ccm-gpio";
+		reg = <0x1800a000 0x50>,
+		      <0x0301d164 0x20>;
+		#gpio-cells = <2>;
+		gpio-controller;
+		interrupts = <GIC_SPI 84 IRQ_TYPE_LEVEL_HIGH>;
+		interrupt-controller;
+
+		touch_pins: touch_pins {
+			pwr: pwr {
+				pins = "gpio-0";
+				drive-strength = <16>;
+			};
+
+			event: event {
+				pins = "gpio-1";
+				bias-pull-up;
+			};
+		};
+	};
+
+	gpio_asiu: gpio@180a5000 {
+		compatible = "brcm,cygnus-asiu-gpio";
+		reg = <0x180a5000 0x668>;
+		#gpio-cells = <2>;
+		gpio-controller;
+		interrupts = <GIC_SPI 174 IRQ_TYPE_LEVEL_HIGH>;
+		interrupt-controller;
+	};
+
+	/*
+	 * Touchscreen that uses the CCM GPIO 0 and 1
+	 */
+	tsc {
+		...
+		...
+		gpio-pwr = <&gpio_ccm 0 0>;
+		gpio-event = <&gpio_ccm 1 0>;
+	};
+
+	/* Bluetooth that uses the ASIU GPIO 5, with polarity inverted */
+	bluetooth {
+		...
+		...
+		bcm,rfkill-bank-sel = <&gpio_asiu 5 1>
+	}

Documentation/devicetree/bindings/pinctrl/brcm,cygnus-pinmux.txt

+Broadcom Cygnus IOMUX Controller
+
+The Cygnus IOMUX controller supports group based mux configuration. In
+addition, certain pins can be muxed to GPIO function individually.
+
+Required properties:
+
+- compatible:
+    Must be "brcm,cygnus-pinmux"
+
+- reg:
+    Define the base and range of the I/O address space that contains the Cygnus
+IOMUX registers
+
+Properties in subnodes:
+
+- function:
+    The mux function to select
+
+- groups:
+    The list of groups to select with a given function
+
+For more details, refer to
+Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt
+
+For example:
+
+	pinmux: pinmux@0x0301d0c8 {
+		compatible = "brcm,cygnus-pinmux";
+		reg = <0x0301d0c8 0x1b0>;
+
+		pinctrl-names = "default";
+		pinctrl-0 = <&i2s0_default>;
+
+		i2s0_default: i2s0_default {
+			mux {
+				function = "i2s0";
+				groups = "i2s0_0_grp", "i2s0_1_grp";
+			};
+		};
+	};
+
+List of supported functions and groups in Cygnus:
+
+"i2s0": "i2s0_0_grp", "i2s0_1_grp"
+
+"i2s1": "i2s1_0_grp", "i2s1_1_grp"
+
+"i2s2": "i2s2_0_grp", "i2s2_1_grp", "i2s2_2_grp", "i2s2_3_grp", "i2s2_4_grp"
+
+"spdif": "spdif_grp"
+
+"pwm0": "pwm0_grp"
+
+"pwm1": "pwm1_grp"
+
+"pwm2": "pwm2_grp"
+
+"pwm3": "pwm3_grp"
+
+"pwm4": "pwm4_grp"
+
+"pwm5": "pwm5_grp"
+
+"key": "key0_grp", "key1_grp", "key2_grp", "key3_grp", "key4_grp", "key5_grp",
+"key6_grp", "key7_grp", "key8_grp", "key9_grp", "key10_grp", "key11_grp",
+"key12_grp", "key13_grp", "key14_grp", "key15_grp"
+
+"audio_dte": "audio_dte0_grp", "audio_dte1_grp", "audio_dte2_grp", "audio_dte3_grp"
+
+"smart_card0": "smart_card0_grp", "smart_card0_fcb_grp"
+
+"smart_card1": "smart_card1_grp", "smart_card1_fcb_grp"
+
+"spi0": "spi0_grp"
+
+"spi1": "spi1_grp"
+
+"spi2": "spi2_grp"
+
+"spi3": "spi3_grp"
+
+"spi4": "spi4_0_grp", "spi4_1_grp"
+
+"spi5": "spi5_grp"
+
+"sw_led0": "sw_led0_0_grp", "sw_led0_1_grp"
+
+"sw_led1": "sw_led1_grp"
+
+"sw_led2": "sw_led2_0_grp", "sw_led2_1_grp"
+
+"d1w": "d1w_grp"
+
+"lcd": "lcd_grp"
+
+"sram": "sram_0_grp", "sram_1_grp"
+
+"uart0": "uart0_grp"
+
+"uart1": "uart1_grp", "uart1_dte_grp"
+
+"uart2": "uart2_grp"
+
+"uart3": "uart3_grp"
+
+"uart4": "uart4_grp"
+
+"qspi": "qspi_0_grp", "qspi_1_grp"
+
+"nand": "nand_grp"
+
+"sdio0": "sdio0_grp", "sdio0_cd_grp", "sdio0_mmc_grp"
+
+"sdio1": "sdio1_data_0_grp", "sdio1_data_1_grp", "sdio1_cd_grp",
+"sdio1_led_grp", "sdio1_mmc_grp"
+
+"can0": "can0_grp"
+
+"can1": "can1_grp"
+
+"cam": "cam_led_grp", "cam_0_grp", "cam_1_grp"
+
+"bsc1": "bsc1_grp"
+
+"pcie_clkreq": "pcie_clkreq_grp"
+
+"usb0_oc": "usb0_oc_grp"
+
+"usb1_oc": "usb1_oc_grp"
+
+"usb2_oc": "usb2_oc_grp"

Documentation/devicetree/bindings/pinctrl/marvell,armada-39x-pinctrl.txt

+* Marvell Armada 39x SoC pinctrl driver for mpp
+
+Please refer to marvell,mvebu-pinctrl.txt in this directory for common binding
+part and usage.
+
+Required properties:
+- compatible: "marvell,88f6920-pinctrl", "marvell,88f6928-pinctrl"
+  depending on the specific variant of the SoC being used.
+- reg: register specifier of MPP registers
+
+Available mpp pins/groups and functions:
+Note: brackets (x) are not part of the mpp name for marvell,function and given
+only for more detailed description in this document.
+
+name    pins    functions
+================================================================================
+mpp0	0	gpio, ua0(rxd)
+mpp1	1	gpio, ua0(txd)
+mpp2	2	gpio, i2c0(sck)
+mpp3	3	gpio, i2c0(sda)
+mpp4	4	gpio, ua1(txd), ua0(rts), smi(mdc)
+mpp5	5	gpio, ua1(rxd), ua0(cts), smi(mdio)
+mpp6	6	gpio, dev(cs3), xsmi(mdio)
+mpp7	7	gpio, dev(ad9), xsmi(mdc)
+mpp8	8	gpio, dev(ad10), ptp(trig)
+mpp9	9	gpio, dev(ad11), ptp(clk)
+mpp10	10	gpio, dev(ad12), ptp(event)
+mpp11	11	gpio, dev(ad13), led(clk)
+mpp12	12	gpio, pcie0(rstout), dev(ad14), led(stb)
+mpp13	13	gpio, dev(ad15), led(data)
+mpp14	14	gpio, m(vtt), dev(wen1), ua1(txd)
+mpp15	15	gpio, pcie0(rstout), spi0(mosi), i2c1(sck)
+mpp16	16	gpio, m(decc), spi0(miso), i2c1(sda)
+mpp17	17	gpio, ua1(rxd), spi0(sck), smi(mdio)
+mpp18	18	gpio, ua1(txd), spi0(cs0), i2c2(sck)
+mpp19	19	gpio, sata1(present) [1], ua0(cts), ua1(rxd), i2c2(sda)
+mpp20	20	gpio, sata0(present) [1], ua0(rts), ua1(txd), smi(mdc)
+mpp21	21	gpio, spi0(cs1), sata0(present) [1], sd(cmd), dev(bootcs), ge(rxd0)
+mpp22	22	gpio, spi0(mosi), dev(ad0)
+mpp23	23	gpio, spi0(sck), dev(ad2)
+mpp24	24	gpio, spi0(miso), ua0(cts), ua1(rxd), sd(d4), dev(readyn)
+mpp25	25	gpio, spi0(cs0), ua0(rts), ua1(txd), sd(d5), dev(cs0)
+mpp26	26	gpio, spi0(cs2), i2c1(sck), sd(d6), dev(cs1)
+mpp27	27	gpio, spi0(cs3), i2c1(sda), sd(d7), dev(cs2), ge(txclkout)
+mpp28	28	gpio, sd(clk), dev(ad5), ge(txd0)
+mpp29	29	gpio, dev(ale0), ge(txd1)
+mpp30	30	gpio, dev(oen), ge(txd2)
+mpp31	31	gpio, dev(ale1), ge(txd3)
+mpp32	32	gpio, dev(wen0), ge(txctl)
+mpp33	33	gpio, m(decc), dev(ad3)
+mpp34	34	gpio, dev(ad1)
+mpp35	35	gpio, ref(clk), dev(a1)
+mpp36	36	gpio, dev(a0)
+mpp37	37	gpio, sd(d3), dev(ad8), ge(rxclk)
+mpp38	38	gpio, ref(clk), sd(d0), dev(ad4), ge(rxd1)
+mpp39	39	gpio, i2c1(sck), ua0(cts), sd(d1), dev(a2), ge(rxd2)
+mpp40	40	gpio, i2c1(sda), ua0(rts), sd(d2), dev(ad6), ge(rxd3)
+mpp41	41	gpio, ua1(rxd), ua0(cts), spi1(cs3), dev(burstn), nd(rbn0), ge(rxctl)
+mpp42	42	gpio, ua1(txd), ua0(rts), dev(ad7)
+mpp43	43	gpio, pcie0(clkreq), m(vtt), m(decc), spi1(cs2), dev(clkout), nd(rbn1)
+mpp44	44	gpio, sata0(present) [1], sata1(present) [1], led(clk)
+mpp45	45	gpio, ref(clk), pcie0(rstout), ua1(rxd)
+mpp46	46	gpio, ref(clk), pcie0(rstout), ua1(txd), led(stb)
+mpp47	47	gpio, sata0(present) [1], sata1(present) [1], led(data)
+mpp48	48	gpio, sata0(present) [1], m(vtt), tdm(pclk) [1], audio(mclk) [1], sd(d4), pcie0(clkreq), ua1(txd)
+mpp49	49	gpio, tdm(fsync) [1], audio(lrclk) [1], sd(d5), ua2(rxd)
+mpp50	50	gpio, pcie0(rstout), tdm(drx) [1], audio(extclk) [1], sd(cmd), ua2(rxd)
+mpp51	51	gpio, tdm(dtx) [1], audio(sdo) [1], m(decc), ua2(txd)
+mpp52	52	gpio, pcie0(rstout), tdm(intn) [1], audio(sdi) [1], sd(d6), i2c3(sck)
+mpp53	53	gpio, sata1(present) [1], sata0(present) [1], tdm(rstn) [1], audio(bclk) [1], sd(d7), i2c3(sda)
+mpp54	54	gpio, sata0(present) [1], sata1(present) [1], pcie0(rstout), sd(d3), ua3(txd)
+mpp55	55	gpio, ua1(cts), spi1(cs1), sd(d0), ua1(rxd), ua3(rxd)
+mpp56	56	gpio, ua1(rts), m(decc), spi1(mosi), ua1(txd)
+mpp57	57	gpio, spi1(sck), sd(clk), ua1(txd)
+mpp58	58	gpio, i2c1(sck), pcie2(clkreq), spi1(miso), sd(d1), ua1(rxd)
+mpp59	59	gpio, pcie0(rstout), i2c1(sda), spi1(cs0), sd(d2)
+
+[1]: only available on 88F6928

Documentation/devicetree/bindings/pinctrl/meson,pinctrl.txt

 == Amlogic Meson pinmux controller ==
 
 Required properties for the root node:
- - compatible: "amlogic,meson8-pinctrl"
+ - compatible: "amlogic,meson8-pinctrl" or "amlogic,meson8b-pinctrl"
  - reg: address and size of registers controlling irq functionality
 
 === GPIO sub-nodes ===

Documentation/devicetree/bindings/pinctrl/nvidia,tegra210-pinmux.txt

+NVIDIA Tegra210 pinmux controller
+
+Required properties:
+- compatible: "nvidia,tegra210-pinmux"
+- reg: Should contain a list of base address and size pairs for:
+  - first entry: The APB_MISC_GP_*_PADCTRL registers (pad control)
+  - second entry: The PINMUX_AUX_* registers (pinmux)
+
+Please refer to pinctrl-bindings.txt in this directory for details of the
+common pinctrl bindings used by client devices, including the meaning of the
+phrase "pin configuration node".
+
+Tegra's pin configuration nodes act as a container for an arbitrary number of
+subnodes. Each of these subnodes represents some desired configuration for a
+pin, a group, or a list of pins or groups. This configuration can include the
+mux function to select on those pin(s)/group(s), and various pin configuration
+parameters, such as pull-up, tristate, drive strength, etc.
+
+The name of each subnode is not important; all subnodes should be enumerated
+and processed purely based on their content.
+
+Each subnode only affects those parameters that are explicitly listed. In
+other words, a subnode that lists a mux function but no pin configuration
+parameters implies no information about any pin configuration parameters.
+Similarly, a pin subnode that describes a pullup parameter implies no
+information about e.g. the mux function or tristate parameter. For this
+reason, even seemingly boolean values are actually tristates in this binding:
+unspecified, off, or on. Unspecified is represented as an absent property,
+and off/on are represented as integer values 0 and 1.
+
+See the TRM to determine which properties and values apply to each pin/group.
+Macro values for property values are defined in
+include/dt-binding/pinctrl/pinctrl-tegra.h.
+
+Required subnode-properties:
+- nvidia,pins : An array of strings. Each string contains the name of a pin or
+    group. Valid values for these names are listed below.
+
+Optional subnode-properties:
+- nvidia,function: A string containing the name of the function to mux to the
+    pin or group.
+- nvidia,pull: Integer, representing the pull-down/up to apply to the pin.
+    0: none, 1: down, 2: up.
+- nvidia,tristate: Integer.
+    0: drive, 1: tristate.
+- nvidia,enable-input: Integer. Enable the pin's input path.
+    enable :TEGRA_PIN_ENABLE0 and
+    disable or output only: TEGRA_PIN_DISABLE.
+- nvidia,open-drain: Integer.
+    enable: TEGRA_PIN_ENABLE.
+    disable: TEGRA_PIN_DISABLE.
+- nvidia,lock: Integer. Lock the pin configuration against further changes
+    until reset.
+    enable: TEGRA_PIN_ENABLE.
+    disable: TEGRA_PIN_DISABLE.
+- nvidia,io-hv: Integer. Select high-voltage receivers.
+    normal: TEGRA_PIN_DISABLE
+    high: TEGRA_PIN_ENABLE
+- nvidia,high-speed-mode: Integer. Enable high speed mode the pins.
+    normal: TEGRA_PIN_DISABLE
+    high: TEGRA_PIN_ENABLE
+- nvidia,schmitt: Integer. Enables Schmitt Trigger on the input.
+    normal: TEGRA_PIN_DISABLE
+    high: TEGRA_PIN_ENABLE
+- nvidia,drive-type: Integer. Valid range 0...3.
+- nvidia,pull-down-strength: Integer. Controls drive strength. 0 is weakest.
+    The range of valid values depends on the pingroup. See "CAL_DRVDN" in the
+    Tegra TRM.
+- nvidia,pull-up-strength: Integer. Controls drive strength. 0 is weakest.
+    The range of valid values depends on the pingroup. See "CAL_DRVUP" in the
+    Tegra TRM.
+- nvidia,slew-rate-rising: Integer. Controls rising signal slew rate. 0 is
+    fastest. The range of valid values depends on the pingroup. See
+    "DRVDN_SLWR" in the Tegra TRM.
+- nvidia,slew-rate-falling: Integer. Controls falling signal slew rate. 0 is
+    fastest. The range of valid values depends on the pingroup. See
+    "DRVUP_SLWF" in the Tegra TRM.
+
+Valid values for pin and group names (nvidia,pin) are:
+
+  Mux groups:
+
+    These correspond to Tegra PINMUX_AUX_* (pinmux) registers. Any property
+    that exists in those registers may be set for the following pin names.
+
+    In Tegra210, many pins also have a dedicated APB_MISC_GP_*_PADCTRL
+    register. Where that is true, and property that exists in that register
+    may also be set on the following pin names.
+
+    als_prox_int_px3, ap_ready_pv5, ap_wake_bt_ph3, ap_wake_nfc_ph7,
+    aud_mclk_pbb0, batt_bcl, bt_rst_ph4, bt_wake_ap_ph5, button_home_py1,
+    button_power_on_px5, button_slide_sw_py0, button_vol_down_px7,
+    button_vol_up_px6, cam1_mclk_ps0, cam1_pwdn_ps7, cam1_strobe_pt1,
+    cam2_mclk_ps1, cam2_pwdn_pt0, cam_af_en_ps5, cam_flash_en_ps6,
+    cam_i2c_scl_ps2, cam_i2c_sda_ps3, cam_rst_ps4cam_rst_ps4, clk_32k_in,
+    clk_32k_out_py5, clk_req, core_pwr_req, cpu_pwr_req, dap1_din_pb1,
+    dap1_dout_pb2, dap1_fs_pb0, dap1_sclk_pb3, dap2_din_paa2, dap2_dout_paa3,
+    dap2_fs_paa0, dap2_sclk_paa1, dap4_din_pj5, dap4_dout_pj6, dap4_fs_pj4,
+    dap4_sclk_pj7, dmic1_clk_pe0, dmic1_dat_pe1, dmic2_clk_pe2, dmic2_dat_pe3,
+    dmic3_clk_pe4, dmic3_dat_pe5, dp_hpd0_pcc6, dvfs_clk_pbb2, dvfs_pwm_pbb1,
+    gen1_i2c_scl_pj1, gen1_i2c_sda_pj0, gen2_i2c_scl_pj2, gen2_i2c_sda_pj3,
+    gen3_i2c_scl_pf0, gen3_i2c_sda_pf1, gpio_x1_aud_pbb3, gpio_x3_aud_pbb4,
+    gps_en_pi2, gps_rst_pi3, hdmi_cec_pcc0, hdmi_int_dp_hpd_pcc1, jtag_rtck,
+    lcd_bl_en_pv1, lcd_bl_pwm_pv0, lcd_gpio1_pv3, lcd_gpio2_pv4, lcd_rst_pv2,
+    lcd_te_py2, modem_wake_ap_px0, motion_int_px2, nfc_en_pi0, nfc_int_pi1,
+    pa6, pcc7, pe6, pe7, pex_l0_clkreq_n_pa1, pex_l0_rst_n_pa0,
+    pex_l1_clkreq_n_pa4, pex_l1_rst_n_pa3, pex_wake_n_pa2, ph6, pk0, pk1, pk2,
+    pk3, pk4, pk5, pk6, pk7, pl0, pl1, pwr_i2c_scl_py3, pwr_i2c_sda_py4,
+    pwr_int_n, pz0, pz1, pz2, pz3, pz4, pz5, qspi_cs_n_pee1, qspi_io0_pee2,
+    qspi_io1_pee3, qspi_io2_pee4, qspi_io3_pee5, qspi_sck_pee0,
+    sata_led_active_pa5, sdmmc1_clk_pm0, sdmmc1_cmd_pm1, sdmmc1_dat0_pm5,
+    sdmmc1_dat1_pm4, sdmmc1_dat2_pm3, sdmmc1_dat3_pm2, sdmmc3_clk_pp0,
+    sdmmc3_cmd_pp1, sdmmc3_dat0_pp5, sdmmc3_dat1_pp4, sdmmc3_dat2_pp3,
+    sdmmc3_dat3_pp2, shutdown, spdif_in_pcc3, spdif_out_pcc2, spi1_cs0_pc3,
+    spi1_cs1_pc4, spi1_miso_pc1, spi1_mosi_pc0, spi1_sck_pc2, spi2_cs0_pb7,
+    spi2_cs1_pdd0, spi2_miso_pb5, spi2_mosi_pb4, spi2_sck_pb6, spi4_cs0_pc6,
+    spi4_miso_pd0, spi4_mosi_pc7, spi4_sck_pc5, temp_alert_px4, touch_clk_pv7,
+    touch_int_px1, touch_rst_pv6, uart1_cts_pu3, uart1_rts_pu2, uart1_rx_pu1,
+    uart1_tx_pu0, uart2_cts_pg3, uart2_rts_pg2, uart2_rx_pg1, uart2_tx_pg0,
+    uart3_cts_pd4, uart3_rts_pd3, uart3_rx_pd2, uart3_tx_pd1, uart4_cts_pi7,
+    uart4_rts_pi6, uart4_rx_pi5, uart4_tx_pi4, usb_vbus_en0_pcc4,
+    usb_vbus_en1_pcc5, wifi_en_ph0, wifi_rst_ph1, wifi_wake_ap_ph2
+
+  Drive groups:
+
+    These correspond to the Tegra APB_MISC_GP_*_PADCTRL (pad control)
+    registers. Note that where one of these registers controls a single pin
+    for which a PINMUX_AUX_* exists, see the list above for the pin name to
+    use when configuring the pinmux.
+
+    pa6, pcc7, pe6, pe7, ph6, pk0, pk1, pk2, pk3, pk4, pk5, pk6, pk7, pl0, pl1,
+    pz0, pz1, pz2, pz3, pz4, pz5, sdmmc1, sdmmc2, sdmmc3, sdmmc4
+
+Valid values for nvidia,functions are:
+
+    aud, bcl, blink, ccla, cec, cldvfs, clk, core, cpu, displaya, displayb,
+    dmic1, dmic2, dmic3, dp, dtv, extperiph3, i2c1, i2c2, i2c3, i2cpmu, i2cvi,
+    i2s1, i2s2, i2s3, i2s4a, i2s4b, i2s5a, i2s5b, iqc0, iqc1, jtag, pe, pe0,
+    pe1, pmi, pwm0, pwm1, pwm2, pwm3, qspi, rsvd0, rsvd1, rsvd2, rsvd3, sata,
+    sdmmc1, sdmmc3, shutdown, soc, sor0, sor1, spdif, spi1, spi2, spi3, spi4,
+    sys, touch, uart, uarta, uartb, uartc, uartd, usb, vgp1, vgp2, vgp3, vgp4,
+    vgp5, vgp6, vimclk, vimclk2
+
+Example:
+
+	pinmux: pinmux@70000800 {
+		compatible = "nvidia,tegra210-pinmux";
+		reg = <0x0 0x700008d4 0x0 0x2a8>, /* Pad control registers */
+		      <0x0 0x70003000 0x0 0x1000>; /* Mux registers */
+
+		pinctrl-names = "boot";
+		pinctrl-0 = <&state_boot>;
+
+		state_boot: pinmux {
+			gen1_i2c_scl_pj1 {
+				nvidia,pins = "gen1_i2c_scl_pj1",
+				nvidia,function = "i2c1";
+				nvidia,pull = <TEGRA_PIN_PULL_NONE>;
+				nvidia,tristate = <TEGRA_PIN_DISABLE>;
+				nvidia,enable-input = <TEGRA_PIN_ENABLE>;
+				nvidia,open-drain = <TEGRA_PIN_ENABLE>;
+				nvidia,io-hv = <TEGRA_PIN_ENABLE>;
+			};
+		};
+	};
+};

Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt

@@ -38,7 +38,7 @@ property exists to define the pin configuration. Each state may also be
 assigned a name. When names are used, another property exists to map from
 those names to the integer IDs.
 
-Each client device's own binding determines the set of states the must be
+Each client device's own binding determines the set of states that must be
 defined in its device tree node, and whether to define the set of state
 IDs that must be provided, or whether to define the set of state names that
 must be provided.
@@ -133,16 +133,27 @@ pin multiplexing nodes:
 
 function		- the mux function to select
 groups			- the list of groups to select with this function
+			  (either this or "pins" must be specified)
+pins			- the list of pins to select with this function (either
+			  this or "groups" must be specified)
 
 Example:
 
 state_0_node_a {
-	function = "uart0";
-	groups = "u0rxtx", "u0rtscts";
+	uart0 {
+		function = "uart0";
+		groups = "u0rxtx", "u0rtscts";
+	};
 };
 state_1_node_a {
-	function = "spi0";
-	groups = "spi0pins";
+	spi0 {
+		function = "spi0";
+		groups = "spi0pins";
+	};
+};
+state_2_node_a {
+	function = "i2c0";
+	pins = "mfio29", "mfio30";
 };
 
 == Generic pin configuration node content ==
@@ -188,16 +199,22 @@ slew-rate		- set the slew rate
 For example:
 
 state_0_node_a {
-	pins = "GPIO0_AJ5", "GPIO2_AH4"; /* CTS+RXD */
-	bias-pull-up;
+	cts_rxd {
+		pins = "GPIO0_AJ5", "GPIO2_AH4"; /* CTS+RXD */
+		bias-pull-up;
+	};
 };
 state_1_node_a {
-	pins = "GPIO1_AJ3", "GPIO3_AH3"; /* RTS+TXD */
-	output-high;
+	rts_txd {
+		pins = "GPIO1_AJ3", "GPIO3_AH3"; /* RTS+TXD */
+		output-high;
+	};
 };
 state_2_node_a {
-	group = "foo-group";
-	bias-pull-up;
+	foo {
+		group = "foo-group";
+		bias-pull-up;
+	};
 };
 
 Some of the generic properties take arguments. For those that do, the

Documentation/devicetree/bindings/pinctrl/pinctrl-mt65xx.txt

+* Mediatek MT65XX Pin Controller
+
+The Mediatek's Pin controller is used to control SoC pins.
+
+Required properties:
+- compatible: value should be either of the following.
+    (a) "mediatek,mt8135-pinctrl", compatible with mt8135 pinctrl.
+- mediatek,pctl-regmap: Should be a phandle of the syscfg node.
+- pins-are-numbered: Specify the subnodes are using numbered pinmux to
+  specify pins.
+- gpio-controller : Marks the device node as a gpio controller.
+- #gpio-cells: number of cells in GPIO specifier. Since the generic GPIO
+  binding is used, the amount of cells must be specified as 2. See the below
+  mentioned gpio binding representation for description of particular cells.
+
+	Eg: <&pio 6 0>
+	<[phandle of the gpio controller node]
+	[line number within the gpio controller]
+	[flags]>
+
+	Values for gpio specifier:
+	- Line number: is a value between 0 to 202.
+	- Flags:  bit field of flags, as defined in <dt-bindings/gpio/gpio.h>.
+            Only the following flags are supported:
+            0 - GPIO_ACTIVE_HIGH
+            1 - GPIO_ACTIVE_LOW
+- reg: physicall address base for EINT registers
+- interrupt-controller: Marks the device node as an interrupt controller
+- #interrupt-cells: Should be two.
+- interrupts : The interrupt outputs from the controller.
+
+Please refer to pinctrl-bindings.txt in this directory for details of the
+common pinctrl bindings used by client devices.
+
+Subnode format
+A pinctrl node should contain at least one subnodes representing the
+pinctrl groups available on the machine. Each subnode will list the
+pins it needs, and how they should be configured, with regard to muxer
+configuration, pullups, drive strength, input enable/disable and input schmitt.
+
+    node {
+	pinmux = <PIN_NUMBER_PINMUX>;
+	GENERIC_PINCONFIG;
+    };
+
+Required properties:
+- pinmux: integer array, represents gpio pin number and mux setting.
+    Supported pin number and mux varies for different SoCs, and are defined
+    as macros in boot/dts/<soc>-pinfunc.h directly.
+
+Optional properties:
+- GENERIC_PINCONFIG: is the generic pinconfig options to use, bias-disable,
+    bias-pull-down, bias-pull-up, input-enable, input-disable, output-low, output-high,
+    input-schmitt-enable, input-schmitt-disable and drive-strength are valid.
+
+    Some special pins have extra pull up strength, there are R0 and R1 pull-up
+    resistors available, but for user, it's only need to set R1R0 as 00, 01, 10 or 11.
+    So when config bias-pull-up, it support arguments for those special pins.
+    Some macros have been defined for this usage, such as MTK_PUPD_SET_R1R0_00.
+    See dt-bindings/pinctrl/mt65xx.h.
+
+    When config drive-strength, it can support some arguments, such as
+    MTK_DRIVE_4mA, MTK_DRIVE_6mA, etc. See dt-bindings/pinctrl/mt65xx.h.
+
+Examples:
+
+#include "mt8135-pinfunc.h"
+
+...
+{
+	syscfg_pctl_a: syscfg_pctl_a@10005000 {
+		compatible = "mediatek,mt8135-pctl-a-syscfg", "syscon";
+		reg = <0 0x10005000 0 0x1000>;
+	};
+
+	syscfg_pctl_b: syscfg_pctl_b@1020C020 {
+		compatible = "mediatek,mt8135-pctl-b-syscfg", "syscon";
+		reg = <0 0x1020C020 0 0x1000>;
+	};
+
+	pinctrl@01c20800 {
+		compatible = "mediatek,mt8135-pinctrl";
+		reg = <0 0x1000B000 0 0x1000>;
+		mediatek,pctl-regmap = <&syscfg_pctl_a &syscfg_pctl_b>;
+		pins-are-numbered;
+		gpio-controller;
+		#gpio-cells = <2>;
+		interrupt-controller;
+		#interrupt-cells = <2>;
+		interrupts = <GIC_SPI 116 IRQ_TYPE_LEVEL_HIGH>,
+				<GIC_SPI 117 IRQ_TYPE_LEVEL_HIGH>,
+				<GIC_SPI 118 IRQ_TYPE_LEVEL_HIGH>;
+
+		i2c0_pins_a: i2c0@0 {
+			pins1 {
+				pinmux = <MT8135_PIN_100_SDA0__FUNC_SDA0>,
+					 <MT8135_PIN_101_SCL0__FUNC_SCL0>;
+				bias-disable;
+			};
+		};
+
+		i2c1_pins_a: i2c1@0 {
+			pins {
+				pinmux = <MT8135_PIN_195_SDA1__FUNC_SDA1>,
+					 <MT8135_PIN_196_SCL1__FUNC_SCL1>;
+				bias-pull-up = <55>;
+			};
+		};
+
+		i2c2_pins_a: i2c2@0 {
+			pins1 {
+				pinmux = <MT8135_PIN_193_SDA2__FUNC_SDA2>;
+				bias-pull-down;
+			};
+
+			pins2 {
+				pinmux = <MT8135_PIN_49_WATCHDOG__FUNC_GPIO49>;
+				bias-pull-up;
+			};
+		};
+
+		i2c3_pins_a: i2c3@0 {
+			pins1 {
+				pinmux = <MT8135_PIN_40_DAC_CLK__FUNC_GPIO40>,
+					 <MT8135_PIN_41_DAC_WS__FUNC_GPIO41>;
+				bias-pull-up = <55>;
+			};
+
+			pins2 {
+				pinmux = <MT8135_PIN_35_SCL3__FUNC_SCL3>,
+					 <MT8135_PIN_36_SDA3__FUNC_SDA3>;
+				output-low;
+				bias-pull-up = <55>;
+			};
+
+			pins3 {
+				pinmux = <MT8135_PIN_57_JTCK__FUNC_GPIO57>,
+					 <MT8135_PIN_60_JTDI__FUNC_JTDI>;
+				drive-strength = <32>;
+			};
+		};
+
+		...
+	}
+};

Documentation/devicetree/bindings/pinctrl/qcom,pmic-gpio.txt

@@ -10,6 +10,7 @@ PMIC's from Qualcomm.
 		    "qcom,pm8018-gpio"
 		    "qcom,pm8038-gpio"
 		    "qcom,pm8058-gpio"
+		    "qcom,pm8916-gpio"
 		    "qcom,pm8917-gpio"
 		    "qcom,pm8921-gpio"
 		    "qcom,pm8941-gpio"
@@ -74,6 +75,7 @@ to specify in a pin configuration subnode:
 		    gpio1-gpio6 for pm8018
 		    gpio1-gpio12 for pm8038
 		    gpio1-gpio40 for pm8058
+		    gpio1-gpio4 for pm8916
 		    gpio1-gpio38 for pm8917
 		    gpio1-gpio44 for pm8921
 		    gpio1-gpio36 for pm8941

Documentation/devicetree/bindings/pinctrl/qcom,pmic-mpp.txt

@@ -8,6 +8,7 @@ of PMIC's from Qualcomm.
 	Value type: <string>
 	Definition: Should contain one of:
 		    "qcom,pm8841-mpp",
+		    "qcom,pm8916-mpp",
 		    "qcom,pm8941-mpp",
 		    "qcom,pma8084-mpp",
 
@@ -67,6 +68,7 @@ to specify in a pin configuration subnode:
 	Definition: List of MPP pins affected by the properties specified in
 		    this subnode.  Valid pins are:
 		    mpp1-mpp4 for pm8841
+		    mpp1-mpp4 for pm8916
 		    mpp1-mpp8 for pm8941
 		    mpp1-mpp4 for pma8084
 

Documentation/pinctrl.txt

@@ -72,7 +72,6 @@ static struct pinctrl_desc foo_desc = {
 	.name = "foo",
 	.pins = foo_pins,
 	.npins = ARRAY_SIZE(foo_pins),
-	.maxpin = 63,
 	.owner = THIS_MODULE,
 };
 
@@ -164,8 +163,8 @@ static const char *foo_get_group_name(struct pinctrl_dev *pctldev,
 }
 
 static int foo_get_group_pins(struct pinctrl_dev *pctldev, unsigned selector,
-			       unsigned ** const pins,
-			       unsigned * const num_pins)
+			       const unsigned **pins,
+			       unsigned *num_pins)
 {
 	*pins = (unsigned *) foo_groups[selector].pins;
 	*num_pins = foo_groups[selector].num_pins;
@@ -570,9 +569,8 @@ is possible to perform the requested mux setting, poke the hardware so that
 this happens.
 
 Pinmux drivers are required to supply a few callback functions, some are
-optional. Usually the enable() and disable() functions are implemented,
-writing values into some certain registers to activate a certain mux setting
-for a certain pin.
+optional. Usually the set_mux() function is implemented, writing values into
+some certain registers to activate a certain mux setting for a certain pin.
 
 A simple driver for the above example will work by setting bits 0, 1, 2, 3 or 4
 into some register named MUX to select a certain function with a certain
@@ -683,12 +681,12 @@ static const struct foo_pmx_func foo_functions[] = {
 	},
 };
 
-int foo_get_functions_count(struct pinctrl_dev *pctldev)
+static int foo_get_functions_count(struct pinctrl_dev *pctldev)
 {
 	return ARRAY_SIZE(foo_functions);
 }
 
-const char *foo_get_fname(struct pinctrl_dev *pctldev, unsigned selector)
+static const char *foo_get_fname(struct pinctrl_dev *pctldev, unsigned selector)
 {
 	return foo_functions[selector].name;
 }
@@ -702,7 +700,7 @@ static int foo_get_groups(struct pinctrl_dev *pctldev, unsigned selector,
 	return 0;
 }
 
-int foo_set_mux(struct pinctrl_dev *pctldev, unsigned selector,
+static int foo_set_mux(struct pinctrl_dev *pctldev, unsigned selector,
 		unsigned group)
 {
 	u8 regbit = (1 << selector + group);
@@ -711,7 +709,7 @@ int foo_set_mux(struct pinctrl_dev *pctldev, unsigned selector,
 	return 0;
 }
 
-struct pinmux_ops foo_pmxops = {
+static struct pinmux_ops foo_pmxops = {
 	.get_functions_count = foo_get_functions_count,
 	.get_function_name = foo_get_fname,
 	.get_function_groups = foo_get_groups,
@@ -1266,7 +1264,7 @@ The semantics of the pinctrl APIs are:
 
 Usually the pin control core handled the get/put pair and call out to the
 device drivers bookkeeping operations, like checking available functions and
-the associated pins, whereas the enable/disable pass on to the pin controller
+the associated pins, whereas select_state pass on to the pin controller
 driver which takes care of activating and/or deactivating the mux setting by
 quickly poking some registers.
 
@@ -1363,8 +1361,9 @@ function, but with different named in the mapping as described under
 "Advanced mapping" above. So that for an SPI device, we have two states named
 "pos-A" and "pos-B".
 
-This snippet first muxes the function in the pins defined by group A, enables
-it, disables and releases it, and muxes it in on the pins defined by group B:
+This snippet first initializes a state object for both groups (in foo_probe()),
+then muxes the function in the pins defined by group A, and finally muxes it in
+on the pins defined by group B:
 
 #include <linux/pinctrl/consumer.h>
 

drivers/pinctrl/Kconfig

@@ -67,23 +67,20 @@ config PINCTRL_AT91
 	help
 	  Say Y here to enable the at91 pinctrl driver
 
-config PINCTRL_BCM2835
-	bool
-	select PINMUX
-	select PINCONF
-
-config PINCTRL_BCM281XX
-	bool "Broadcom BCM281xx pinctrl driver"
-	depends on OF && (ARCH_BCM_MOBILE || COMPILE_TEST)
-	select PINMUX
+config PINCTRL_AMD
+	bool "AMD GPIO pin control"
+	depends on GPIOLIB
+	select GPIOLIB_IRQCHIP
 	select PINCONF
 	select GENERIC_PINCONF
-	select REGMAP_MMIO
 	help
-	  Say Y here to support Broadcom BCM281xx pinctrl driver, which is used
-	  for the BCM281xx SoC family, including BCM11130, BCM11140, BCM11351,
-	  BCM28145, and BCM28155 SoCs.  This driver requires the pinctrl
-	  framework.  GPIO is provided by a separate GPIO driver.
+	  driver for memory mapped GPIO functionality on AMD platforms
+	  (x86 or arm).Most pins are usually muxed to some other
+	  functionality by firmware,so only a small amount is available
+	  for gpio use.
+
+	  Requires ACPI/FDT device enumeration code to set up a platform
+	  device.
 
 config PINCTRL_LANTIQ
 	bool
@@ -154,6 +151,10 @@ config PINCTRL_TEGRA124
 	bool
 	select PINCTRL_TEGRA
 
+config PINCTRL_TEGRA210
+	bool
+	select PINCTRL_TEGRA
+
 config PINCTRL_TEGRA_XUSB
 	def_bool y if ARCH_TEGRA
 	select GENERIC_PHY
@@ -207,6 +208,7 @@ config PINCTRL_ZYNQ
 	help
 	  This selectes the pinctrl driver for Xilinx Zynq.
 
+source "drivers/pinctrl/bcm/Kconfig"
 source "drivers/pinctrl/berlin/Kconfig"
 source "drivers/pinctrl/freescale/Kconfig"
 source "drivers/pinctrl/intel/Kconfig"
@@ -218,6 +220,7 @@ source "drivers/pinctrl/sh-pfc/Kconfig"
 source "drivers/pinctrl/spear/Kconfig"
 source "drivers/pinctrl/sunxi/Kconfig"
 source "drivers/pinctrl/vt8500/Kconfig"
+source "drivers/pinctrl/mediatek/Kconfig"
 
 config PINCTRL_XWAY
 	bool

drivers/pinctrl/Makefile

@@ -14,8 +14,7 @@ obj-$(CONFIG_PINCTRL_AS3722)	+= pinctrl-as3722.o
 obj-$(CONFIG_PINCTRL_BF54x)	+= pinctrl-adi2-bf54x.o
 obj-$(CONFIG_PINCTRL_BF60x)	+= pinctrl-adi2-bf60x.o
 obj-$(CONFIG_PINCTRL_AT91)	+= pinctrl-at91.o
-obj-$(CONFIG_PINCTRL_BCM2835)	+= pinctrl-bcm2835.o
-obj-$(CONFIG_PINCTRL_BCM281XX)	+= pinctrl-bcm281xx.o
+obj-$(CONFIG_PINCTRL_AMD)	+= pinctrl-amd.o
 obj-$(CONFIG_PINCTRL_FALCON)	+= pinctrl-falcon.o
 obj-$(CONFIG_PINCTRL_MESON)	+= meson/
 obj-$(CONFIG_PINCTRL_PALMAS)	+= pinctrl-palmas.o
@@ -27,6 +26,7 @@ obj-$(CONFIG_PINCTRL_TEGRA20)	+= pinctrl-tegra20.o
 obj-$(CONFIG_PINCTRL_TEGRA30)	+= pinctrl-tegra30.o
 obj-$(CONFIG_PINCTRL_TEGRA114)	+= pinctrl-tegra114.o
 obj-$(CONFIG_PINCTRL_TEGRA124)	+= pinctrl-tegra124.o
+obj-$(CONFIG_PINCTRL_TEGRA210)	+= pinctrl-tegra210.o
 obj-$(CONFIG_PINCTRL_TEGRA_XUSB)	+= pinctrl-tegra-xusb.o
 obj-$(CONFIG_PINCTRL_TZ1090)	+= pinctrl-tz1090.o
 obj-$(CONFIG_PINCTRL_TZ1090_PDC)	+= pinctrl-tz1090-pdc.o
@@ -38,6 +38,7 @@ obj-$(CONFIG_PINCTRL_TB10X)	+= pinctrl-tb10x.o
 obj-$(CONFIG_PINCTRL_ST) 	+= pinctrl-st.o
 obj-$(CONFIG_PINCTRL_ZYNQ)	+= pinctrl-zynq.o
 
+obj-$(CONFIG_ARCH_BCM)		+= bcm/
 obj-$(CONFIG_ARCH_BERLIN)	+= berlin/
 obj-y				+= freescale/
 obj-$(CONFIG_X86)		+= intel/
@@ -49,3 +50,4 @@ obj-$(CONFIG_PINCTRL_SH_PFC)	+= sh-pfc/
 obj-$(CONFIG_PLAT_SPEAR)	+= spear/
 obj-$(CONFIG_ARCH_SUNXI)	+= sunxi/
 obj-$(CONFIG_ARCH_VT8500)	+= vt8500/
+obj-$(CONFIG_ARCH_MEDIATEK)	+= mediatek/

drivers/pinctrl/bcm/Kconfig

+#
+# Broadcom pinctrl drivers
+#
+
+config PINCTRL_BCM281XX
+	bool "Broadcom BCM281xx pinctrl driver"
+	depends on OF && (ARCH_BCM_MOBILE || COMPILE_TEST)
+	select PINMUX
+	select PINCONF
+	select GENERIC_PINCONF
+	select REGMAP_MMIO
+	help
+	  Say Y here to support Broadcom BCM281xx pinctrl driver, which is used
+	  for the BCM281xx SoC family, including BCM11130, BCM11140, BCM11351,
+	  BCM28145, and BCM28155 SoCs.  This driver requires the pinctrl
+	  framework.  GPIO is provided by a separate GPIO driver.
+
+config PINCTRL_BCM2835
+	bool
+	select PINMUX
+	select PINCONF
+
+config PINCTRL_CYGNUS_GPIO
+	bool "Broadcom Cygnus GPIO (with PINCONF) driver"
+	depends on OF_GPIO && ARCH_BCM_CYGNUS
+	select GPIOLIB_IRQCHIP
+	select PINCONF
+	select GENERIC_PINCONF
+	default ARCH_BCM_CYGNUS
+	help
+	  Say yes here to enable the Broadcom Cygnus GPIO driver.
+
+	  The Broadcom Cygnus SoC has 3 GPIO controllers including the ASIU
+	  GPIO controller (ASIU), the chipCommonG GPIO controller (CCM), and
+	  the always-ON GPIO controller (CRMU/AON). All 3 GPIO controllers are
+	  supported by this driver.
+
+	  All 3 Cygnus GPIO controllers support basic PINCONF functions such
+	  as bias pull up, pull down, and drive strength configurations, when
+	  these pins are muxed to GPIO.
+
+	  Pins from the ASIU GPIO can be individually muxed to GPIO function,
+	  through interaction with the Cygnus IOMUX controller.
+
+config PINCTRL_CYGNUS_MUX
+	bool "Broadcom Cygnus IOMUX driver"
+	depends on (ARCH_BCM_CYGNUS || COMPILE_TEST)
+	select PINMUX
+	select GENERIC_PINCONF
+	default ARCH_BCM_CYGNUS
+	help
+	  Say yes here to enable the Broadcom Cygnus IOMUX driver.
+
+	  The Broadcom Cygnus IOMUX driver supports group based IOMUX
+	  configuration, with the exception that certain individual pins
+	  can be overrided to GPIO function

drivers/pinctrl/bcm/Makefile

+# Broadcom pinctrl support
+
+obj-$(CONFIG_PINCTRL_BCM281XX)		+= pinctrl-bcm281xx.o
+obj-$(CONFIG_PINCTRL_BCM2835)		+= pinctrl-bcm2835.o
+obj-$(CONFIG_PINCTRL_CYGNUS_GPIO)	+= pinctrl-cygnus-gpio.o
+obj-$(CONFIG_PINCTRL_CYGNUS_MUX)	+= pinctrl-cygnus-mux.o

drivers/pinctrl/pinctrl-bcm281xx.c → drivers/pinctrl/bcm/pinctrl-bcm281xx.c

@@ -21,8 +21,8 @@
 #include <linux/pinctrl/pinconf-generic.h>
 #include <linux/regmap.h>
 #include <linux/slab.h>
-#include "core.h"
-#include "pinctrl-utils.h"
+#include "../core.h"
+#include "../pinctrl-utils.h"
 
 /* BCM281XX Pin Control Registers Definitions */
 

drivers/pinctrl/pinctrl-bcm2835.c → drivers/pinctrl/bcm/pinctrl-bcm2835.c

@@ -403,15 +403,7 @@ static irqreturn_t bcm2835_gpio_irq_handler(int irq, void *dev_id)
 		gpio = (32 * bank) + offset;
 		type = pc->irq_type[gpio];
 
-		/* ack edge triggered IRQs immediately */
-		if (!(type & IRQ_TYPE_LEVEL_MASK))
-			bcm2835_gpio_set_bit(pc, GPEDS0, gpio);
-
 		generic_handle_irq(irq_linear_revmap(pc->irq_domain, gpio));
-
-		/* ack level triggered IRQ after handling them */
-		if (type & IRQ_TYPE_LEVEL_MASK)
-			bcm2835_gpio_set_bit(pc, GPEDS0, gpio);
 	}
 	return events ? IRQ_HANDLED : IRQ_NONE;
 }
@@ -591,16 +583,32 @@ static int bcm2835_gpio_irq_set_type(struct irq_data *data, unsigned int type)
 	else
 		ret = __bcm2835_gpio_irq_set_type_disabled(pc, gpio, type);
 
+	if (type & IRQ_TYPE_EDGE_BOTH)
+		__irq_set_handler_locked(data->irq, handle_edge_irq);
+	else
+		__irq_set_handler_locked(data->irq, handle_level_irq);
+
 	spin_unlock_irqrestore(&pc->irq_lock[bank], flags);
 
 	return ret;
 }
 
+static void bcm2835_gpio_irq_ack(struct irq_data *data)
+{
+	struct bcm2835_pinctrl *pc = irq_data_get_irq_chip_data(data);
+	unsigned gpio = irqd_to_hwirq(data);
+
+	bcm2835_gpio_set_bit(pc, GPEDS0, gpio);
+}
+
 static struct irq_chip bcm2835_gpio_irq_chip = {
 	.name = MODULE_NAME,
 	.irq_enable = bcm2835_gpio_irq_enable,
 	.irq_disable = bcm2835_gpio_irq_disable,
 	.irq_set_type = bcm2835_gpio_irq_set_type,
+	.irq_ack = bcm2835_gpio_irq_ack,
+	.irq_mask = bcm2835_gpio_irq_disable,
+	.irq_unmask = bcm2835_gpio_irq_enable,
 };
 
 static int bcm2835_pctl_get_groups_count(struct pinctrl_dev *pctldev)
@@ -977,7 +985,7 @@ static int bcm2835_pinctrl_probe(struct platform_device *pdev)
 		int irq = irq_create_mapping(pc->irq_domain, i);
 		irq_set_lockdep_class(irq, &gpio_lock_class);
 		irq_set_chip_and_handler(irq, &bcm2835_gpio_irq_chip,
-				handle_simple_irq);
+				handle_level_irq);
 		irq_set_chip_data(irq, pc);
 		set_irq_flags(irq, IRQF_VALID);
 	}
@@ -1051,7 +1059,7 @@ static int bcm2835_pinctrl_remove(struct platform_device *pdev)
 	return 0;
 }
 
-static struct of_device_id bcm2835_pinctrl_match[] = {
+static const struct of_device_id bcm2835_pinctrl_match[] = {
 	{ .compatible = "brcm,bcm2835-gpio" },
 	{}
 };

drivers/pinctrl/freescale/pinctrl-imx.c

@@ -542,10 +542,13 @@ static int imx_pinctrl_parse_groups(struct device_node *np,
 		struct imx_pin_reg *pin_reg;
 		struct imx_pin *pin = &grp->pins[i];
 
-		if (info->flags & SHARE_MUX_CONF_REG)
+		if (info->flags & SHARE_MUX_CONF_REG) {
 			conf_reg = mux_reg;
-		else
+		} else {
 			conf_reg = be32_to_cpu(*list++);
+			if (!conf_reg)
+				conf_reg = -1;
+		}
 
 		pin_id = mux_reg ? mux_reg / 4 : conf_reg / 4;
 		pin_reg = &info->pin_regs[pin_id];
@@ -645,7 +648,7 @@ int imx_pinctrl_probe(struct platform_device *pdev,
 {
 	struct imx_pinctrl *ipctl;
 	struct resource *res;
-	int ret;
+	int ret, i;
 
 	if (!info || !info->pins || !info->npins) {
 		dev_err(&pdev->dev, "wrong pinctrl info\n");
@@ -662,7 +665,11 @@ int imx_pinctrl_probe(struct platform_device *pdev,
 				      info->npins, GFP_KERNEL);
 	if (!info->pin_regs)
 		return -ENOMEM;
-	memset(info->pin_regs, 0xff, sizeof(*info->pin_regs) * info->npins);
+
+	for (i = 0; i < info->npins; i++) {
+		info->pin_regs[i].mux_reg = -1;
+		info->pin_regs[i].conf_reg = -1;
+	}
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	ipctl->base = devm_ioremap_resource(&pdev->dev, res);

drivers/pinctrl/freescale/pinctrl-vf610.c

@@ -302,7 +302,7 @@ static struct imx_pinctrl_soc_info vf610_pinctrl_info = {
 	.flags = SHARE_MUX_CONF_REG,
 };
 
-static struct of_device_id vf610_pinctrl_of_match[] = {
+static const struct of_device_id vf610_pinctrl_of_match[] = {
 	{ .compatible = "fsl,vf610-iomuxc", },
 	{ /* sentinel */ }
 };

drivers/pinctrl/intel/Kconfig

@@ -25,3 +25,20 @@ config PINCTRL_CHERRYVIEW
 	help
 	  Cherryview/Braswell pinctrl driver provides an interface that
 	  allows configuring of SoC pins and using them as GPIOs.
+
+config PINCTRL_INTEL
+	tristate
+	select PINMUX
+	select PINCONF
+	select GENERIC_PINCONF
+	select GPIOLIB
+	select GPIOLIB_IRQCHIP
+
+config PINCTRL_SUNRISEPOINT
+	tristate "Intel Sunrisepoint pinctrl and GPIO driver"
+	depends on ACPI
+	select PINCTRL_INTEL
+	help
+	  Sunrisepoint is the PCH of Intel Skylake. This pinctrl driver
+	  provides an interface that allows configuring of PCH pins and
+	  using them as GPIOs.

drivers/pinctrl/intel/Makefile

@@ -2,3 +2,5 @@
 
 obj-$(CONFIG_PINCTRL_BAYTRAIL)		+= pinctrl-baytrail.o
 obj-$(CONFIG_PINCTRL_CHERRYVIEW)	+= pinctrl-cherryview.o
+obj-$(CONFIG_PINCTRL_INTEL)		+= pinctrl-intel.o
+obj-$(CONFIG_PINCTRL_SUNRISEPOINT)	+= pinctrl-sunrisepoint.o

drivers/pinctrl/intel/pinctrl-intel.h

+/*
+ * Core pinctrl/GPIO driver for Intel GPIO controllers
+ *
+ * Copyright (C) 2015, Intel Corporation
+ * Authors: Mathias Nyman <mathias.nyman@linux.intel.com>
+ *          Mika Westerberg <mika.westerberg@linux.intel.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef PINCTRL_INTEL_H
+#define PINCTRL_INTEL_H
+
+struct pinctrl_pin_desc;
+struct platform_device;
+struct device;
+
+/**
+ * struct intel_pingroup - Description about group of pins
+ * @name: Name of the groups
+ * @pins: All pins in this group
+ * @npins: Number of pins in this groups
+ * @mode: Native mode in which the group is muxed out @pins
+ */
+struct intel_pingroup {
+	const char *name;
+	const unsigned *pins;
+	size_t npins;
+	unsigned short mode;
+};
+
+/**
+ * struct intel_function - Description about a function
+ * @name: Name of the function
+ * @groups: An array of groups for this function
+ * @ngroups: Number of groups in @groups
+ */
+struct intel_function {
+	const char *name;
+	const char * const *groups;
+	size_t ngroups;
+};
+
+/**
+ * struct intel_community - Intel pin community description
+ * @barno: MMIO BAR number where registers for this community reside
+ * @padown_offset: Register offset of PAD_OWN register from @regs. If %0
+ *                 then there is no support for owner.
+ * @padcfglock_offset: Register offset of PADCFGLOCK from @regs. If %0 then
+ *                     locking is not supported.
+ * @hostown_offset: Register offset of HOSTSW_OWN from @regs. If %0 then it
+ *                  is assumed that the host owns the pin (rather than
+ *                  ACPI).
+ * @ie_offset: Register offset of GPI_IE from @regs.
+ * @pin_base: Starting pin of pins in this community
+ * @npins: Number of pins in this community
+ * @regs: Community specific common registers (reserved for core driver)
+ * @pad_regs: Community specific pad registers (reserved for core driver)
+ * @ngpps: Number of groups (hw groups) in this community (reserved for
+ *         core driver)
+ */
+struct intel_community {
+	unsigned barno;
+	unsigned padown_offset;
+	unsigned padcfglock_offset;
+	unsigned hostown_offset;
+	unsigned ie_offset;
+	unsigned pin_base;
+	size_t npins;
+	void __iomem *regs;
+	void __iomem *pad_regs;
+	size_t ngpps;
+};
+
+#define PIN_GROUP(n, p, m)			\
+	{					\
+		.name = (n),			\
+		.pins = (p),			\
+		.npins = ARRAY_SIZE((p)),	\
+		.mode = (m),			\
+	}
+
+#define FUNCTION(n, g)				\
+	{					\
+		.name = (n),			\
+		.groups = (g),			\
+		.ngroups = ARRAY_SIZE((g)),	\
+	}
+
+/**
+ * struct intel_pinctrl_soc_data - Intel pin controller per-SoC configuration
+ * @uid: ACPI _UID for the probe driver use if needed
+ * @pins: Array if pins this pinctrl controls
+ * @npins: Number of pins in the array
+ * @groups: Array of pin groups
+ * @ngroups: Number of groups in the array
+ * @functions: Array of functions
+ * @nfunctions: Number of functions in the array
+ * @communities: Array of communities this pinctrl handles
+ * @ncommunities: Number of communities in the array
+ *
+ * The @communities is used as a template by the core driver. It will make
+ * copy of all communities and fill in rest of the information.
+ */
+struct intel_pinctrl_soc_data {
+	const char *uid;
+	const struct pinctrl_pin_desc *pins;
+	size_t npins;
+	const struct intel_pingroup *groups;
+	size_t ngroups;
+	const struct intel_function *functions;
+	size_t nfunctions;
+	const struct intel_community *communities;
+	size_t ncommunities;
+};
+
+int intel_pinctrl_probe(struct platform_device *pdev,
+			const struct intel_pinctrl_soc_data *soc_data);
+int intel_pinctrl_remove(struct platform_device *pdev);
+
+#ifdef CONFIG_PM_SLEEP
+int intel_pinctrl_suspend(struct device *dev);
+int intel_pinctrl_resume(struct device *dev);
+#endif
+
+#endif /* PINCTRL_INTEL_H */

drivers/pinctrl/intel/pinctrl-sunrisepoint.c

+/*
+ * Intel Sunrisepoint PCH pinctrl/GPIO driver
+ *
+ * Copyright (C) 2015, Intel Corporation
+ * Authors: Mathias Nyman <mathias.nyman@linux.intel.com>
+ *          Mika Westerberg <mika.westerberg@linux.intel.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/acpi.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/pm.h>
+#include <linux/pinctrl/pinctrl.h>
+
+#include "pinctrl-intel.h"
+
+#define SPT_PAD_OWN	0x020
+#define SPT_PADCFGLOCK	0x0a0
+#define SPT_HOSTSW_OWN	0x0d0
+#define SPT_GPI_IE	0x120
+
+#define SPT_COMMUNITY(b, s, e)				\
+	{						\
+		.barno = (b),				\
+		.padown_offset = SPT_PAD_OWN,		\
+		.padcfglock_offset = SPT_PADCFGLOCK,	\
+		.hostown_offset = SPT_HOSTSW_OWN,	\
+		.ie_offset = SPT_GPI_IE,		\
+		.pin_base = (s),			\
+		.npins = ((e) - (s) + 1),		\
+	}
+
+/* Sunrisepoint-LP */
+static const struct pinctrl_pin_desc sptlp_pins[] = {
+	/* GPP_A */
+	PINCTRL_PIN(0, "RCINB"),
+	PINCTRL_PIN(1, "LAD_0"),
+	PINCTRL_PIN(2, "LAD_1"),
+	PINCTRL_PIN(3, "LAD_2"),
+	PINCTRL_PIN(4, "LAD_3"),
+	PINCTRL_PIN(5, "LFRAMEB"),
+	PINCTRL_PIN(6, "SERIQ"),
+	PINCTRL_PIN(7, "PIRQAB"),
+	PINCTRL_PIN(8, "CLKRUNB"),
+	PINCTRL_PIN(9, "CLKOUT_LPC_0"),
+	PINCTRL_PIN(10, "CLKOUT_LPC_1"),
+	PINCTRL_PIN(11, "PMEB"),
+	PINCTRL_PIN(12, "BM_BUSYB"),
+	PINCTRL_PIN(13, "SUSWARNB_SUS_PWRDNACK"),
+	PINCTRL_PIN(14, "SUS_STATB"),
+	PINCTRL_PIN(15, "SUSACKB"),
+	PINCTRL_PIN(16, "SD_1P8_SEL"),
+	PINCTRL_PIN(17, "SD_PWR_EN_B"),
+	PINCTRL_PIN(18, "ISH_GP_0"),
+	PINCTRL_PIN(19, "ISH_GP_1"),
+	PINCTRL_PIN(20, "ISH_GP_2"),
+	PINCTRL_PIN(21, "ISH_GP_3"),
+	PINCTRL_PIN(22, "ISH_GP_4"),
+	PINCTRL_PIN(23, "ISH_GP_5"),
+	/* GPP_B */
+	PINCTRL_PIN(24, "CORE_VID_0"),
+	PINCTRL_PIN(25, "CORE_VID_1"),
+	PINCTRL_PIN(26, "VRALERTB"),
+	PINCTRL_PIN(27, "CPU_GP_2"),
+	PINCTRL_PIN(28, "CPU_GP_3"),
+	PINCTRL_PIN(29, "SRCCLKREQB_0"),
+	PINCTRL_PIN(30, "SRCCLKREQB_1"),
+	PINCTRL_PIN(31, "SRCCLKREQB_2"),
+	PINCTRL_PIN(32, "SRCCLKREQB_3"),
+	PINCTRL_PIN(33, "SRCCLKREQB_4"),
+	PINCTRL_PIN(34, "SRCCLKREQB_5"),
+	PINCTRL_PIN(35, "EXT_PWR_GATEB"),
+	PINCTRL_PIN(36, "SLP_S0B"),
+	PINCTRL_PIN(37, "PLTRSTB"),
+	PINCTRL_PIN(38, "SPKR"),
+	PINCTRL_PIN(39, "GSPI0_CSB"),
+	PINCTRL_PIN(40, "GSPI0_CLK"),
+	PINCTRL_PIN(41, "GSPI0_MISO"),
+	PINCTRL_PIN(42, "GSPI0_MOSI"),
+	PINCTRL_PIN(43, "GSPI1_CSB"),
+	PINCTRL_PIN(44, "GSPI1_CLK"),
+	PINCTRL_PIN(45, "GSPI1_MISO"),
+	PINCTRL_PIN(46, "GSPI1_MOSI"),
+	PINCTRL_PIN(47, "SML1ALERTB"),
+	/* GPP_C */
+	PINCTRL_PIN(48, "SMBCLK"),
+	PINCTRL_PIN(49, "SMBDATA"),
+	PINCTRL_PIN(50, "SMBALERTB"),
+	PINCTRL_PIN(51, "SML0CLK"),
+	PINCTRL_PIN(52, "SML0DATA"),
+	PINCTRL_PIN(53, "SML0ALERTB"),
+	PINCTRL_PIN(54, "SML1CLK"),
+	PINCTRL_PIN(55, "SML1DATA"),
+	PINCTRL_PIN(56, "UART0_RXD"),
+	PINCTRL_PIN(57, "UART0_TXD"),
+	PINCTRL_PIN(58, "UART0_RTSB"),
+	PINCTRL_PIN(59, "UART0_CTSB"),
+	PINCTRL_PIN(60, "UART1_RXD"),
+	PINCTRL_PIN(61, "UART1_TXD"),
+	PINCTRL_PIN(62, "UART1_RTSB"),
+	PINCTRL_PIN(63, "UART1_CTSB"),
+	PINCTRL_PIN(64, "I2C0_SDA"),
+	PINCTRL_PIN(65, "I2C0_SCL"),
+	PINCTRL_PIN(66, "I2C1_SDA"),
+	PINCTRL_PIN(67, "I2C1_SCL"),
+	PINCTRL_PIN(68, "UART2_RXD"),
+	PINCTRL_PIN(69, "UART2_TXD"),
+	PINCTRL_PIN(70, "UART2_RTSB"),
+	PINCTRL_PIN(71, "UART2_CTSB"),
+	/* GPP_D */
+	PINCTRL_PIN(72, "SPI1_CSB"),
+	PINCTRL_PIN(73, "SPI1_CLK"),
+	PINCTRL_PIN(74, "SPI1_MISO_IO_1"),
+	PINCTRL_PIN(75, "SPI1_MOSI_IO_0"),
+	PINCTRL_PIN(76, "FLASHTRIG"),
+	PINCTRL_PIN(77, "ISH_I2C0_SDA"),
+	PINCTRL_PIN(78, "ISH_I2C0_SCL"),
+	PINCTRL_PIN(79, "ISH_I2C1_SDA"),
+	PINCTRL_PIN(80, "ISH_I2C1_SCL"),
+	PINCTRL_PIN(81, "ISH_SPI_CSB"),
+	PINCTRL_PIN(82, "ISH_SPI_CLK"),
+	PINCTRL_PIN(83, "ISH_SPI_MISO"),
+	PINCTRL_PIN(84, "ISH_SPI_MOSI"),
+	PINCTRL_PIN(85, "ISH_UART0_RXD"),
+	PINCTRL_PIN(86, "ISH_UART0_TXD"),
+	PINCTRL_PIN(87, "ISH_UART0_RTSB"),
+	PINCTRL_PIN(88, "ISH_UART0_CTSB"),
+	PINCTRL_PIN(89, "DMIC_CLK_1"),
+	PINCTRL_PIN(90, "DMIC_DATA_1"),
+	PINCTRL_PIN(91, "DMIC_CLK_0"),
+	PINCTRL_PIN(92, "DMIC_DATA_0"),
+	PINCTRL_PIN(93, "SPI1_IO_2"),
+	PINCTRL_PIN(94, "SPI1_IO_3"),
+	PINCTRL_PIN(95, "SSP_MCLK"),
+	/* GPP_E */
+	PINCTRL_PIN(96, "SATAXPCIE_0"),
+	PINCTRL_PIN(97, "SATAXPCIE_1"),
+	PINCTRL_PIN(98, "SATAXPCIE_2"),
+	PINCTRL_PIN(99, "CPU_GP_0"),
+	PINCTRL_PIN(100, "SATA_DEVSLP_0"),
+	PINCTRL_PIN(101, "SATA_DEVSLP_1"),
+	PINCTRL_PIN(102, "SATA_DEVSLP_2"),
+	PINCTRL_PIN(103, "CPU_GP_1"),
+	PINCTRL_PIN(104, "SATA_LEDB"),
+	PINCTRL_PIN(105, "USB2_OCB_0"),
+	PINCTRL_PIN(106, "USB2_OCB_1"),
+	PINCTRL_PIN(107, "USB2_OCB_2"),
+	PINCTRL_PIN(108, "USB2_OCB_3"),
+	PINCTRL_PIN(109, "DDSP_HPD_0"),
+	PINCTRL_PIN(110, "DDSP_HPD_1"),
+	PINCTRL_PIN(111, "DDSP_HPD_2"),
+	PINCTRL_PIN(112, "DDSP_HPD_3"),
+	PINCTRL_PIN(113, "EDP_HPD"),
+	PINCTRL_PIN(114, "DDPB_CTRLCLK"),
+	PINCTRL_PIN(115, "DDPB_CTRLDATA"),
+	PINCTRL_PIN(116, "DDPC_CTRLCLK"),
+	PINCTRL_PIN(117, "DDPC_CTRLDATA"),
+	PINCTRL_PIN(118, "DDPD_CTRLCLK"),
+	PINCTRL_PIN(119, "DDPD_CTRLDATA"),
+	/* GPP_F */
+	PINCTRL_PIN(120, "SSP2_SCLK"),
+	PINCTRL_PIN(121, "SSP2_SFRM"),
+	PINCTRL_PIN(122, "SSP2_TXD"),
+	PINCTRL_PIN(123, "SSP2_RXD"),
+	PINCTRL_PIN(124, "I2C2_SDA"),
+	PINCTRL_PIN(125, "I2C2_SCL"),
+	PINCTRL_PIN(126, "I2C3_SDA"),
+	PINCTRL_PIN(127, "I2C3_SCL"),
+	PINCTRL_PIN(128, "I2C4_SDA"),
+	PINCTRL_PIN(129, "I2C4_SCL"),
+	PINCTRL_PIN(130, "I2C5_SDA"),
+	PINCTRL_PIN(131, "I2C5_SCL"),
+	PINCTRL_PIN(132, "EMMC_CMD"),
+	PINCTRL_PIN(133, "EMMC_DATA_0"),
+	PINCTRL_PIN(134, "EMMC_DATA_1"),
+	PINCTRL_PIN(135, "EMMC_DATA_2"),
+	PINCTRL_PIN(136, "EMMC_DATA_3"),
+	PINCTRL_PIN(137, "EMMC_DATA_4"),
+	PINCTRL_PIN(138, "EMMC_DATA_5"),
+	PINCTRL_PIN(139, "EMMC_DATA_6"),
+	PINCTRL_PIN(140, "EMMC_DATA_7"),
+	PINCTRL_PIN(141, "EMMC_RCLK"),
+	PINCTRL_PIN(142, "EMMC_CLK"),
+	PINCTRL_PIN(143, "GPP_F_23"),
+	/* GPP_G */
+	PINCTRL_PIN(144, "SD_CMD"),
+	PINCTRL_PIN(145, "SD_DATA_0"),
+	PINCTRL_PIN(146, "SD_DATA_1"),
+	PINCTRL_PIN(147, "SD_DATA_2"),
+	PINCTRL_PIN(148, "SD_DATA_3"),
+	PINCTRL_PIN(149, "SD_CDB"),
+	PINCTRL_PIN(150, "SD_CLK"),
+	PINCTRL_PIN(151, "SD_WP"),
+};
+
+static const unsigned sptlp_spi0_pins[] = { 39, 40, 41, 42 };
+static const unsigned sptlp_spi1_pins[] = { 43, 44, 45, 46 };
+static const unsigned sptlp_uart0_pins[] = { 56, 57, 58, 59 };
+static const unsigned sptlp_uart1_pins[] = { 60, 61, 62, 63 };
+static const unsigned sptlp_uart2_pins[] = { 68, 69, 71, 71 };
+static const unsigned sptlp_i2c0_pins[] = { 64, 65 };
+static const unsigned sptlp_i2c1_pins[] = { 66, 67 };
+static const unsigned sptlp_i2c2_pins[] = { 124, 125 };
+static const unsigned sptlp_i2c3_pins[] = { 126, 127 };
+static const unsigned sptlp_i2c4_pins[] = { 128, 129 };
+static const unsigned sptlp_i2c4b_pins[] = { 85, 86 };
+static const unsigned sptlp_i2c5_pins[] = { 130, 131 };
+static const unsigned sptlp_ssp2_pins[] = { 120, 121, 122, 123 };
+static const unsigned sptlp_emmc_pins[] = {
+	132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142,
+};
+static const unsigned sptlp_sd_pins[] = {
+	144, 145, 146, 147, 148, 149, 150, 151,
+};
+
+static const struct intel_pingroup sptlp_groups[] = {
+	PIN_GROUP("spi0_grp", sptlp_spi0_pins, 1),
+	PIN_GROUP("spi1_grp", sptlp_spi1_pins, 1),
+	PIN_GROUP("uart0_grp", sptlp_uart0_pins, 1),
+	PIN_GROUP("uart1_grp", sptlp_uart1_pins, 1),
+	PIN_GROUP("uart2_grp", sptlp_uart2_pins, 1),
+	PIN_GROUP("i2c0_grp", sptlp_i2c0_pins, 1),
+	PIN_GROUP("i2c1_grp", sptlp_i2c1_pins, 1),
+	PIN_GROUP("i2c2_grp", sptlp_i2c2_pins, 1),
+	PIN_GROUP("i2c3_grp", sptlp_i2c3_pins, 1),
+	PIN_GROUP("i2c4_grp", sptlp_i2c4_pins, 1),
+	PIN_GROUP("i2c4b_grp", sptlp_i2c4b_pins, 3),
+	PIN_GROUP("i2c5_grp", sptlp_i2c5_pins, 1),
+	PIN_GROUP("ssp2_grp", sptlp_ssp2_pins, 1),
+	PIN_GROUP("emmc_grp", sptlp_emmc_pins, 1),
+	PIN_GROUP("sd_grp", sptlp_sd_pins, 1),
+};
+
+static const char * const sptlp_spi0_groups[] = { "spi0_grp" };
+static const char * const sptlp_spi1_groups[] = { "spi0_grp" };
+static const char * const sptlp_uart0_groups[] = { "uart0_grp" };
+static const char * const sptlp_uart1_groups[] = { "uart1_grp" };
+static const char * const sptlp_uart2_groups[] = { "uart2_grp" };
+static const char * const sptlp_i2c0_groups[] = { "i2c0_grp" };
+static const char * const sptlp_i2c1_groups[] = { "i2c1_grp" };
+static const char * const sptlp_i2c2_groups[] = { "i2c2_grp" };
+static const char * const sptlp_i2c3_groups[] = { "i2c3_grp" };
+static const char * const sptlp_i2c4_groups[] = { "i2c4_grp", "i2c4b_grp" };
+static const char * const sptlp_i2c5_groups[] = { "i2c5_grp" };
+static const char * const sptlp_ssp2_groups[] = { "ssp2_grp" };
+static const char * const sptlp_emmc_groups[] = { "emmc_grp" };
+static const char * const sptlp_sd_groups[] = { "sd_grp" };
+
+static const struct intel_function sptlp_functions[] = {
+	FUNCTION("spi0", sptlp_spi0_groups),
+	FUNCTION("spi1", sptlp_spi1_groups),
+	FUNCTION("uart0", sptlp_uart0_groups),
+	FUNCTION("uart1", sptlp_uart1_groups),
+	FUNCTION("uart2", sptlp_uart2_groups),
+	FUNCTION("i2c0", sptlp_i2c0_groups),
+	FUNCTION("i2c1", sptlp_i2c1_groups),
+	FUNCTION("i2c2", sptlp_i2c2_groups),
+	FUNCTION("i2c3", sptlp_i2c3_groups),
+	FUNCTION("i2c4", sptlp_i2c4_groups),
+	FUNCTION("i2c5", sptlp_i2c5_groups),
+	FUNCTION("ssp2", sptlp_ssp2_groups),
+	FUNCTION("emmc", sptlp_emmc_groups),
+	FUNCTION("sd", sptlp_sd_groups),
+};
+
+static const struct intel_community sptlp_communities[] = {
+	SPT_COMMUNITY(0, 0, 47),
+	SPT_COMMUNITY(1, 48, 119),
+	SPT_COMMUNITY(2, 120, 151),
+};
+
+static const struct intel_pinctrl_soc_data sptlp_soc_data = {
+	.pins = sptlp_pins,
+	.npins = ARRAY_SIZE(sptlp_pins),
+	.groups = sptlp_groups,
+	.ngroups = ARRAY_SIZE(sptlp_groups),
+	.functions = sptlp_functions,
+	.nfunctions = ARRAY_SIZE(sptlp_functions),
+	.communities = sptlp_communities,
+	.ncommunities = ARRAY_SIZE(sptlp_communities),
+};
+
+static const struct acpi_device_id spt_pinctrl_acpi_match[] = {
+	{ "INT344B", (kernel_ulong_t)&sptlp_soc_data },
+	{ }
+};
+MODULE_DEVICE_TABLE(acpi, spt_pinctrl_acpi_match);
+
+static int spt_pinctrl_probe(struct platform_device *pdev)
+{
+	const struct intel_pinctrl_soc_data *soc_data;
+	const struct acpi_device_id *id;
+
+	id = acpi_match_device(spt_pinctrl_acpi_match, &pdev->dev);
+	if (!id || !id->driver_data)
+		return -ENODEV;
+
+	soc_data = (const struct intel_pinctrl_soc_data *)id->driver_data;
+	return intel_pinctrl_probe(pdev, soc_data);
+}
+
+static const struct dev_pm_ops spt_pinctrl_pm_ops = {
+	SET_LATE_SYSTEM_SLEEP_PM_OPS(intel_pinctrl_suspend,
+				     intel_pinctrl_resume)
+};
+
+static struct platform_driver spt_pinctrl_driver = {
+	.probe = spt_pinctrl_probe,
+	.remove = intel_pinctrl_remove,
+	.driver = {
+		.name = "sunrisepoint-pinctrl",
+		.acpi_match_table = spt_pinctrl_acpi_match,
+		.pm = &spt_pinctrl_pm_ops,
+	},
+};
+
+static int __init spt_pinctrl_init(void)
+{
+	return platform_driver_register(&spt_pinctrl_driver);
+}
+subsys_initcall(spt_pinctrl_init);
+
+static void __exit spt_pinctrl_exit(void)
+{
+	platform_driver_unregister(&spt_pinctrl_driver);
+}
+module_exit(spt_pinctrl_exit);
+
+MODULE_AUTHOR("Mathias Nyman <mathias.nyman@linux.intel.com>");
+MODULE_AUTHOR("Mika Westerberg <mika.westerberg@linux.intel.com>");
+MODULE_DESCRIPTION("Intel Sunrisepoint PCH pinctrl/GPIO driver");
+MODULE_LICENSE("GPL v2");

drivers/pinctrl/mediatek/Kconfig

+if ARCH_MEDIATEK || COMPILE_TEST
+
+config PINCTRL_MTK_COMMON
+	bool
+	select PINMUX
+	select GENERIC_PINCONF
+	select GPIOLIB
+	select OF_GPIO
+
+# For ARMv7 SoCs
+config PINCTRL_MT8135
+	bool "Mediatek MT8135 pin control" if COMPILE_TEST && !MACH_MT8135
+	default MACH_MT8135
+	select PINCTRL_MTK_COMMON
+
+# For ARMv8 SoCs
+config PINCTRL_MT8173
+	bool "Mediatek MT8173 pin control"
+	depends on ARM64 || COMPILE_TEST
+	default ARM64 && ARCH_MEDIATEK
+	select PINCTRL_MTK_COMMON
+
+endif

drivers/pinctrl/mediatek/Makefile

+# Core
+obj-$(CONFIG_PINCTRL_MTK_COMMON)	+= pinctrl-mtk-common.o
+
+# SoC Drivers
+obj-$(CONFIG_PINCTRL_MT8135)		+= pinctrl-mt8135.o
+obj-$(CONFIG_PINCTRL_MT8173)		+= pinctrl-mt8173.o

drivers/pinctrl/mediatek/pinctrl-mtk-common.h

+/*
+ * Copyright (c) 2014 MediaTek Inc.
+ * Author: Hongzhou.Yang <hongzhou.yang@mediatek.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef __PINCTRL_MTK_COMMON_H
+#define __PINCTRL_MTK_COMMON_H
+
+#include <linux/pinctrl/pinctrl.h>
+#include <linux/regmap.h>
+
+#define NO_EINT_SUPPORT    255
+#define MTK_CHIP_TYPE_BASE     0
+#define MTK_CHIP_TYPE_PMIC     1
+#define MT_EDGE_SENSITIVE           0
+#define MT_LEVEL_SENSITIVE          1
+#define EINT_DBNC_SET_DBNC_BITS     4
+#define EINT_DBNC_RST_BIT           (0x1 << 1)
+#define EINT_DBNC_SET_EN            (0x1 << 0)
+
+struct mtk_desc_function {
+	const char *name;
+	unsigned char muxval;
+};
+
+struct mtk_desc_eint {
+	unsigned char eintmux;
+	unsigned char eintnum;
+};
+
+struct mtk_desc_pin {
+	struct pinctrl_pin_desc	pin;
+	const char *chip;
+	const struct mtk_desc_eint eint;
+	const struct mtk_desc_function	*functions;
+};
+
+#define MTK_PIN(_pin, _pad, _chip, _eint, ...)		\
+	{							\
+		.pin = _pin,					\
+		.chip = _chip,					\
+		.eint = _eint,					\
+		.functions = (struct mtk_desc_function[]){	\
+			__VA_ARGS__, { } },			\
+	}
+
+#define MTK_EINT_FUNCTION(_eintmux, _eintnum)				\
+	{							\
+		.eintmux = _eintmux,					\
+		.eintnum = _eintnum,					\
+	}
+
+#define MTK_FUNCTION(_val, _name)				\
+	{							\
+		.muxval = _val,					\
+		.name = _name,					\
+	}
+
+#define SET_ADDR(x, y)  (x + (y->devdata->port_align))
+#define CLR_ADDR(x, y)  (x + (y->devdata->port_align << 1))
+
+struct mtk_pinctrl_group {
+	const char	*name;
+	unsigned long	config;
+	unsigned	pin;
+};
+
+/**
+ * struct mtk_drv_group_desc - Provide driving group data.
+ * @max_drv: The maximum current of this group.
+ * @min_drv: The minimum current of this group.
+ * @low_bit: The lowest bit of this group.
+ * @high_bit: The highest bit of this group.
+ * @step: The step current of this group.
+ */
+struct mtk_drv_group_desc {
+	unsigned char min_drv;
+	unsigned char max_drv;
+	unsigned char low_bit;
+	unsigned char high_bit;
+	unsigned char step;
+};
+
+#define MTK_DRV_GRP(_min, _max, _low, _high, _step)	\
+	{	\
+		.min_drv = _min,	\
+		.max_drv = _max,	\
+		.low_bit = _low,	\
+		.high_bit = _high,	\
+		.step = _step,		\
+	}
+
+/**
+ * struct mtk_pin_drv_grp - Provide each pin driving info.
+ * @pin: The pin number.
+ * @offset: The offset of driving register for this pin.
+ * @bit: The bit of driving register for this pin.
+ * @grp: The group for this pin belongs to.
+ */
+struct mtk_pin_drv_grp {
+	unsigned int pin;
+	unsigned int offset;
+	unsigned char bit;
+	unsigned char grp;
+};
+
+#define MTK_PIN_DRV_GRP(_pin, _offset, _bit, _grp)	\
+	{	\
+		.pin = _pin,	\
+		.offset = _offset,	\
+		.bit = _bit,	\
+		.grp = _grp,	\
+	}
+
+struct mtk_eint_offsets {
+	const char *name;
+	unsigned int  stat;
+	unsigned int  ack;
+	unsigned int  mask;
+	unsigned int  mask_set;
+	unsigned int  mask_clr;
+	unsigned int  sens;
+	unsigned int  sens_set;
+	unsigned int  sens_clr;
+	unsigned int  soft;
+	unsigned int  soft_set;
+	unsigned int  soft_clr;
+	unsigned int  pol;
+	unsigned int  pol_set;
+	unsigned int  pol_clr;
+	unsigned int  dom_en;
+	unsigned int  dbnc_ctrl;
+	unsigned int  dbnc_set;
+	unsigned int  dbnc_clr;
+	u8  port_mask;
+	u8  ports;
+};
+
+/**
+ * struct mtk_pinctrl_devdata - Provide HW GPIO related data.
+ * @pins: An array describing all pins the pin controller affects.
+ * @npins: The number of entries in @pins.
+ *
+ * @grp_desc: The driving group info.
+ * @pin_drv_grp: The driving group for all pins.
+ * @spec_pull_set: Each SoC may have special pins for pull up/down setting,
+ *  these pins' pull setting are very different, they have separate pull
+ *  up/down bit, R0 and R1 resistor bit, so they need special pull setting.
+ *  If special setting is success, this should return 0, otherwise it should
+ *  return non-zero value.
+ * @spec_ies_smt_set: Some pins are irregular, their input enable and smt
+ * control register are discontinuous, but they are mapping together. That
+ * means when user set smt, input enable is set at the same time. So they
+ * also need special control. If special control is success, this should
+ * return 0, otherwise return non-zero value.
+ *
+ * @dir_offset: The direction register offset.
+ * @pullen_offset: The pull-up/pull-down enable register offset.
+ * @pinmux_offset: The pinmux register offset.
+ *
+ * @type1_start: Some chips have two base addresses for pull select register,
+ *  that means some pins use the first address and others use the second. This
+ *  member record the start of pin number to use the second address.
+ * @type1_end: The end of pin number to use the second address.
+ *
+ * @port_shf: The shift between two registers.
+ * @port_mask: The mask of register.
+ * @port_align: Provide clear register and set register step.
+ */
+struct mtk_pinctrl_devdata {
+	const struct mtk_desc_pin	*pins;
+	unsigned int				npins;
+	const struct mtk_drv_group_desc	*grp_desc;
+	unsigned int	n_grp_cls;
+	const struct mtk_pin_drv_grp	*pin_drv_grp;
+	unsigned int	n_pin_drv_grps;
+	int (*spec_pull_set)(struct regmap *reg, unsigned int pin,
+			unsigned char align, bool isup, unsigned int arg);
+	int (*spec_ies_smt_set)(struct regmap *reg, unsigned int pin,
+			unsigned char align, int value);
+	unsigned int dir_offset;
+	unsigned int ies_offset;
+	unsigned int smt_offset;
+	unsigned int pullen_offset;
+	unsigned int pullsel_offset;
+	unsigned int drv_offset;
+	unsigned int invser_offset;
+	unsigned int dout_offset;
+	unsigned int din_offset;
+	unsigned int pinmux_offset;
+	unsigned short type1_start;
+	unsigned short type1_end;
+	unsigned char  port_shf;
+	unsigned char  port_mask;
+	unsigned char  port_align;
+	unsigned char	chip_type;
+	struct mtk_eint_offsets eint_offsets;
+	unsigned int	ap_num;
+	unsigned int	db_cnt;
+};
+
+struct mtk_pinctrl {
+	struct regmap	*regmap1;
+	struct regmap	*regmap2;
+	struct device           *dev;
+	struct gpio_chip	*chip;
+	struct mtk_pinctrl_group	*groups;
+	unsigned			ngroups;
+	const char          **grp_names;
+	struct pinctrl_dev      *pctl_dev;
+	const struct mtk_pinctrl_devdata  *devdata;
+	void __iomem		*eint_reg_base;
+	struct irq_domain	*domain;
+	int			*eint_dual_edges;
+};
+
+int mtk_pctrl_init(struct platform_device *pdev,
+		const struct mtk_pinctrl_devdata *data);
+
+#endif /* __PINCTRL_MTK_COMMON_H */

drivers/pinctrl/meson/Makefile

-obj-y	+= pinctrl-meson8.o
+obj-y	+= pinctrl-meson8.o pinctrl-meson8b.o
 obj-y	+= pinctrl-meson.o

drivers/pinctrl/meson/pinctrl-meson.c

@@ -13,8 +13,9 @@
 
 /*
  * The available pins are organized in banks (A,B,C,D,E,X,Y,Z,AO,
- * BOOT,CARD for meson6 and X,Y,DV,H,Z,AO,BOOT,CARD for meson8) and
- * each bank has a variable number of pins.
+ * BOOT,CARD for meson6, X,Y,DV,H,Z,AO,BOOT,CARD for meson8 and
+ * X,Y,DV,H,AO,BOOT,CARD,DIF for meson8b) and each bank has a
+ * variable number of pins.
  *
  * The AO bank is special because it belongs to the Always-On power
  * domain which can't be powered off; the bank also uses a set of
@@ -544,6 +545,10 @@ static const struct of_device_id meson_pinctrl_dt_match[] = {
 		.compatible = "amlogic,meson8-pinctrl",
 		.data = &meson8_pinctrl_data,
 	},
+	{
+		.compatible = "amlogic,meson8b-pinctrl",
+		.data = &meson8b_pinctrl_data,
+	},
 	{ },
 };
 MODULE_DEVICE_TABLE(of, meson_pinctrl_dt_match);

drivers/pinctrl/meson/pinctrl-meson.h

@@ -155,6 +155,8 @@ struct meson_pinctrl {
 	struct meson_domain *domains;
 };
 
+#define PIN(x, b)	(b + x)
+
 #define GROUP(grp, r, b)						\
 	{								\
 		.name = #grp,						\
@@ -165,10 +167,10 @@ struct meson_pinctrl {
 		.domain = 0,						\
 	 }
 
-#define GPIO_GROUP(gpio)						\
+#define GPIO_GROUP(gpio, b)						\
 	{								\
 		.name = #gpio,						\
-		.pins = (const unsigned int[]){ PIN_ ## gpio},		\
+		.pins = (const unsigned int[]){ PIN(gpio, b) },		\
 		.num_pins = 1,						\
 		.is_gpio = true,					\
 	 }
@@ -204,6 +206,7 @@ struct meson_pinctrl {
 		},							\
 	 }
 
-#define MESON_PIN(x) PINCTRL_PIN(PIN_ ## x, #x)
+#define MESON_PIN(x, b) PINCTRL_PIN(PIN(x, b), #x)
 
 extern struct meson_pinctrl_data meson8_pinctrl_data;
+extern struct meson_pinctrl_data meson8b_pinctrl_data;

drivers/pinctrl/mvebu/Kconfig

@@ -26,6 +26,10 @@ config PINCTRL_ARMADA_38X
 	bool
 	select PINCTRL_MVEBU
 
+config PINCTRL_ARMADA_39X
+	bool
+	select PINCTRL_MVEBU
+
 config PINCTRL_ARMADA_XP
 	bool
 	select PINCTRL_MVEBU

drivers/pinctrl/mvebu/Makefile

@@ -4,5 +4,6 @@ obj-$(CONFIG_PINCTRL_KIRKWOOD)	+= pinctrl-kirkwood.o
 obj-$(CONFIG_PINCTRL_ARMADA_370) += pinctrl-armada-370.o
 obj-$(CONFIG_PINCTRL_ARMADA_375) += pinctrl-armada-375.o
 obj-$(CONFIG_PINCTRL_ARMADA_38X) += pinctrl-armada-38x.o
+obj-$(CONFIG_PINCTRL_ARMADA_39X) += pinctrl-armada-39x.o
 obj-$(CONFIG_PINCTRL_ARMADA_XP)  += pinctrl-armada-xp.o
 obj-$(CONFIG_PINCTRL_ORION)  += pinctrl-orion.o

drivers/pinctrl/mvebu/pinctrl-armada-370.c

@@ -379,7 +379,7 @@ static struct mvebu_mpp_mode mv88f6710_mpp_modes[] = {
 
 static struct mvebu_pinctrl_soc_info armada_370_pinctrl_info;
 
-static struct of_device_id armada_370_pinctrl_of_match[] = {
+static const struct of_device_id armada_370_pinctrl_of_match[] = {
 	{ .compatible = "marvell,mv88f6710-pinctrl" },
 	{ },
 };

drivers/pinctrl/mvebu/pinctrl-armada-375.c

@@ -399,7 +399,7 @@ static struct mvebu_mpp_mode mv88f6720_mpp_modes[] = {
 
 static struct mvebu_pinctrl_soc_info armada_375_pinctrl_info;
 
-static struct of_device_id armada_375_pinctrl_of_match[] = {
+static const struct of_device_id armada_375_pinctrl_of_match[] = {
 	{ .compatible = "marvell,mv88f6720-pinctrl" },
 	{ },
 };

drivers/pinctrl/mvebu/pinctrl-armada-38x.c

@@ -389,7 +389,7 @@ static struct mvebu_mpp_mode armada_38x_mpp_modes[] = {
 
 static struct mvebu_pinctrl_soc_info armada_38x_pinctrl_info;
 
-static struct of_device_id armada_38x_pinctrl_of_match[] = {
+static const struct of_device_id armada_38x_pinctrl_of_match[] = {
 	{
 		.compatible = "marvell,mv88f6810-pinctrl",
 		.data       = (void *) V_88F6810,

drivers/pinctrl/mvebu/pinctrl-kirkwood.c

@@ -456,7 +456,7 @@ static struct mvebu_pinctrl_soc_info mv98dx4122_info = {
 	.ngpioranges = ARRAY_SIZE(mv88f628x_gpio_ranges),
 };
 
-static struct of_device_id kirkwood_pinctrl_of_match[] = {
+static const struct of_device_id kirkwood_pinctrl_of_match[] = {
 	{ .compatible = "marvell,88f6180-pinctrl", .data = &mv88f6180_info },
 	{ .compatible = "marvell,88f6190-pinctrl", .data = &mv88f6190_info },
 	{ .compatible = "marvell,88f6192-pinctrl", .data = &mv88f6192_info },

drivers/pinctrl/mvebu/pinctrl-orion.c

@@ -211,7 +211,7 @@ static struct mvebu_pinctrl_soc_info mv88f5281_info = {
  * There are multiple variants of the Orion SoCs, but in terms of pin
  * muxing, they are identical.
  */
-static struct of_device_id orion_pinctrl_of_match[] = {
+static const struct of_device_id orion_pinctrl_of_match[] = {
 	{ .compatible = "marvell,88f5181l-pinctrl", .data = &mv88f5181l_info },
 	{ .compatible = "marvell,88f5182-pinctrl", .data = &mv88f5182_info },
 	{ .compatible = "marvell,88f5281-pinctrl", .data = &mv88f5281_info },

drivers/pinctrl/pinctrl-lantiq.h

@@ -193,4 +193,4 @@ enum ltq_pin {
 extern int ltq_pinctrl_register(struct platform_device *pdev,
 				   struct ltq_pinmux_info *info);
 extern int ltq_pinctrl_unregister(struct platform_device *pdev);
-#endif	/* __PINCTRL_PXA3XX_H */
+#endif	/* __PINCTRL_LANTIQ_H */