From ef8d2ffedf1878e4dc8d19d83371cef8e2457a44 Mon Sep 17 00:00:00 2001 From: Kevin Hilman Date: Thu, 20 Oct 2016 13:42:54 +0200 Subject: [PATCH] ARM64: dts: meson-gxbb: add MMC support Add binding and basic support for the SD/eMMC controller on Amlogic S905/GXBB devices. Acked-by: Rob Herring Signed-off-by: Kevin Hilman Signed-off-by: Neil Armstrong [narmstrong: added nodes for GX, enabled SDIO on P20x] Signed-off-by: Kevin Hilman --- arch/arm64/boot/dts/amlogic/meson-gx.dtsi | 21 ++++ .../boot/dts/amlogic/meson-gxbb-odroidc2.dts | 88 +++++++++++++++++ .../boot/dts/amlogic/meson-gxbb-p20x.dtsi | 98 +++++++++++++++++++ arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi | 24 ++++- 4 files changed, 230 insertions(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi index a6cd953ef7e1..fd1d0deef889 100644 --- a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi @@ -203,6 +203,27 @@ apb: apb@d0000000 { #address-cells = <2>; #size-cells = <2>; ranges = <0x0 0x0 0x0 0xd0000000 0x0 0x200000>; + + sd_emmc_a: mmc@70000 { + compatible = "amlogic,meson-gx-mmc", "amlogic,meson-gxbb-mmc"; + reg = <0x0 0x70000 0x0 0x2000>; + interrupts = ; + status = "disabled"; + }; + + sd_emmc_b: mmc@72000 { + compatible = "amlogic,meson-gx-mmc", "amlogic,meson-gxbb-mmc"; + reg = <0x0 0x72000 0x0 0x2000>; + interrupts = ; + status = "disabled"; + }; + + sd_emmc_c: mmc@74000 { + compatible = "amlogic,meson-gx-mmc", "amlogic,meson-gxbb-mmc"; + reg = <0x0 0x74000 0x0 0x2000>; + interrupts = ; + status = "disabled"; + }; }; }; }; diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts b/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts index a45d1013c225..238fbeacd330 100644 --- a/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts +++ b/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts @@ -85,6 +85,56 @@ blue { default-state = "off"; }; }; + + tflash_vdd: regulator-tflash_vdd { + /* + * signal name from schematics: TFLASH_VDD_EN + */ + compatible = "regulator-fixed"; + + regulator-name = "TFLASH_VDD"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + + gpio = <&gpio_ao GPIOAO_12 GPIO_ACTIVE_HIGH>; + enable-active-high; + }; + + tf_io: gpio-regulator-tf_io { + compatible = "regulator-gpio"; + + regulator-name = "TF_IO"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; + + /* + * signal name from schematics: TF_3V3N_1V8_EN + */ + gpios = <&gpio_ao GPIOAO_3 GPIO_ACTIVE_HIGH>; + gpios-states = <0>; + + states = <3300000 0 + 1800000 1>; + }; + + vcc1v8: regulator-vcc1v8 { + compatible = "regulator-fixed"; + regulator-name = "VCC1V8"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + }; + + vcc3v3: regulator-vcc3v3 { + compatible = "regulator-fixed"; + regulator-name = "VCC3V3"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + }; + + emmc_pwrseq: emmc-pwrseq { + compatible = "mmc-pwrseq-emmc"; + reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>; + }; }; &uart_AO { @@ -127,3 +177,41 @@ &usb0 { &usb1 { status = "okay"; }; + +/* SD */ +&sd_emmc_b { + status = "okay"; + pinctrl-0 = <&sdcard_pins>; + pinctrl-names = "default"; + + bus-width = <4>; + cap-sd-highspeed; + max-frequency = <100000000>; + disable-wp; + + cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_HIGH>; + cd-inverted; + + vmmc-supply = <&tflash_vdd>; + vqmmc-supply = <&tf_io>; +}; + +/* eMMC */ +&sd_emmc_c { + status = "okay"; + pinctrl-0 = <&emmc_pins>; + pinctrl-names = "default"; + + bus-width = <8>; + cap-sd-highspeed; + max-frequency = <200000000>; + non-removable; + disable-wp; + cap-mmc-highspeed; + mmc-ddr-1_8v; + mmc-hs200-1_8v; + + mmc-pwrseq = <&emmc_pwrseq>; + vmmc-supply = <&vcc3v3>; + vqmmc-supply = <&vcc1v8>; +}; diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb-p20x.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxbb-p20x.dtsi index 031d69bee16a..86e740fb5969 100644 --- a/arch/arm64/boot/dts/amlogic/meson-gxbb-p20x.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-gxbb-p20x.dtsi @@ -70,6 +70,47 @@ usb_pwr: regulator-usb-pwrs { gpio = <&gpio GPIODV_24 GPIO_ACTIVE_HIGH>; enable-active-high; }; + + vddio_card: gpio-regulator { + compatible = "regulator-gpio"; + + regulator-name = "VDDIO_CARD"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; + + gpios = <&gpio_ao GPIOAO_5 GPIO_ACTIVE_HIGH>; + gpios-states = <1>; + + /* Based on P200 schematics, signal CARD_1.8V/3.3V_CTR */ + states = <1800000 0 + 3300000 1>; + }; + + vddio_boot: regulator-vddio_boot { + compatible = "regulator-fixed"; + regulator-name = "VDDIO_BOOT"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + }; + + vddao_3v3: regulator-vddao_3v3 { + compatible = "regulator-fixed"; + regulator-name = "VDDAO_3V3"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + }; + + vcc_3v3: regulator-vcc_3v3 { + compatible = "regulator-fixed"; + regulator-name = "VCC_3V3"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + }; + + emmc_pwrseq: emmc-pwrseq { + compatible = "mmc-pwrseq-emmc"; + reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>; + }; }; /* This UART is brought out to the DB9 connector */ @@ -107,3 +148,60 @@ &usb0 { &usb1 { status = "okay"; }; + +/* Wireless SDIO Module */ +&sd_emmc_a { + status = "okay"; + pinctrl-0 = <&sdio_pins>; + pinctrl-names = "default"; + #address-cells = <1>; + #size-cells = <0>; + + bus-width = <4>; + cap-sd-highspeed; + max-frequency = <100000000>; + + non-removable; + disable-wp; + + vmmc-supply = <&vddao_3v3>; + vqmmc-supply = <&vddio_boot>; +}; + +/* SD card */ +&sd_emmc_b { + status = "okay"; + pinctrl-0 = <&sdcard_pins>; + pinctrl-names = "default"; + + bus-width = <4>; + cap-sd-highspeed; + max-frequency = <100000000>; + disable-wp; + + cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_HIGH>; + cd-inverted; + + vmmc-supply = <&vddao_3v3>; + vqmmc-supply = <&vddio_card>; +}; + +/* eMMC */ +&sd_emmc_c { + status = "okay"; + pinctrl-0 = <&emmc_pins>; + pinctrl-names = "default"; + + bus-width = <8>; + cap-sd-highspeed; + cap-mmc-highspeed; + max-frequency = <200000000>; + non-removable; + disable-wp; + mmc-ddr-1_8v; + mmc-hs200-1_8v; + + mmc-pwrseq = <&emmc_pwrseq>; + vmmc-supply = <&vcc_3v3>; + vqmmc-supply = <&vddio_boot>; +}; diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi index aad639ab0112..22940bbab7ff 100644 --- a/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi @@ -349,7 +349,8 @@ emmc_pins: emmc { mux { groups = "emmc_nand_d07", "emmc_cmd", - "emmc_clk"; + "emmc_clk", + "emmc_ds"; function = "emmc"; }; }; @@ -545,3 +546,24 @@ mailbox: mailbox@404 { #mbox-cells = <1>; }; }; + +&sd_emmc_a { + clocks = <&clkc CLKID_SD_EMMC_A>, + <&xtal>, + <&clkc CLKID_FCLK_DIV2>; + clock-names = "core", "clkin0", "clkin1"; +}; + +&sd_emmc_b { + clocks = <&clkc CLKID_SD_EMMC_B>, + <&xtal>, + <&clkc CLKID_FCLK_DIV2>; + clock-names = "core", "clkin0", "clkin1"; +}; + +&sd_emmc_c { + clocks = <&clkc CLKID_SD_EMMC_C>, + <&xtal>, + <&clkc CLKID_FCLK_DIV2>; + clock-names = "core", "clkin0", "clkin1"; +}; -- GitLab