/* * Google Veyron (and derivatives) board device tree source * * Copyright 2015 Google, Inc * * This file is dual-licensed: you can use it either under the terms * of the GPL or the X11 license, at your option. Note that this dual * licensing only applies to this file, and not this project as a * whole. * * a) This file is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of the * License, or (at your option) any later version. * * This file 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. * * Or, alternatively, * * b) Permission is hereby granted, free of charge, to any person * obtaining a copy of this software and associated documentation * files (the "Software"), to deal in the Software without * restriction, including without limitation the rights to use, * copy, modify, merge, publish, distribute, sublicense, and/or * sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following * conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. */ #include #include #include "rk3288.dtsi" / { memory { device_type = "memory"; reg = <0x0 0x80000000>; }; gpio_keys: gpio-keys { compatible = "gpio-keys"; #address-cells = <1>; #size-cells = <0>; pinctrl-names = "default"; pinctrl-0 = <&pwr_key_l>; power { label = "Power"; gpios = <&gpio0 5 GPIO_ACTIVE_LOW>; linux,code = ; debounce-interval = <100>; gpio-key,wakeup; }; }; gpio-restart { compatible = "gpio-restart"; gpios = <&gpio0 13 GPIO_ACTIVE_HIGH>; pinctrl-names = "default"; pinctrl-0 = <&ap_warm_reset_h>; priority = <200>; }; emmc_pwrseq: emmc-pwrseq { compatible = "mmc-pwrseq-emmc"; pinctrl-0 = <&emmc_reset>; pinctrl-names = "default"; reset-gpios = <&gpio2 9 GPIO_ACTIVE_HIGH>; }; io_domains: io-domains { compatible = "rockchip,rk3288-io-voltage-domain"; rockchip,grf = <&grf>; bb-supply = <&vcc33_io>; dvp-supply = <&vcc_18>; flash0-supply = <&vcc18_flashio>; gpio1830-supply = <&vcc33_io>; gpio30-supply = <&vcc33_io>; lcdc-supply = <&vcc33_lcd>; wifi-supply = <&vcc18_wl>; }; sdio_pwrseq: sdio-pwrseq { compatible = "mmc-pwrseq-simple"; clocks = <&rk808 RK808_CLKOUT1>; clock-names = "ext_clock"; pinctrl-names = "default"; pinctrl-0 = <&bt_enable_l>, <&wifi_enable_h>; /* * On the module itself this is one of these (depending * on the actual card populated): * - SDIO_RESET_L_WL_REG_ON * - PDN (power down when low) */ reset-gpios = <&gpio4 28 GPIO_ACTIVE_LOW>; }; vcc_5v: vcc-5v { compatible = "regulator-fixed"; regulator-name = "vcc_5v"; regulator-always-on; regulator-boot-on; regulator-min-microvolt = <5000000>; regulator-max-microvolt = <5000000>; }; vcc33_sys: vcc33-sys { compatible = "regulator-fixed"; regulator-name = "vcc33_sys"; regulator-always-on; regulator-boot-on; regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; }; vcc50_hdmi: vcc50-hdmi { compatible = "regulator-fixed"; regulator-name = "vcc50_hdmi"; regulator-always-on; regulator-boot-on; vin-supply = <&vcc_5v>; }; }; &cpu0 { cpu0-supply = <&vdd_cpu>; }; &emmc { status = "okay"; broken-cd; bus-width = <8>; cap-mmc-highspeed; disable-wp; mmc-pwrseq = <&emmc_pwrseq>; non-removable; num-slots = <1>; pinctrl-names = "default"; pinctrl-0 = <&emmc_clk &emmc_cmd &emmc_bus8>; }; &hdmi { status = "okay"; }; &i2c0 { status = "okay"; clock-frequency = <400000>; i2c-scl-falling-time-ns = <50>; /* 2.5ns measured */ i2c-scl-rising-time-ns = <100>; /* 45ns measured */ rk808: pmic@1b { compatible = "rockchip,rk808"; reg = <0x1b>; clock-output-names = "xin32k", "wifibt_32kin"; interrupt-parent = <&gpio0>; interrupts = <4 IRQ_TYPE_LEVEL_LOW>; pinctrl-names = "default"; pinctrl-0 = <&pmic_int_l>; rockchip,system-power-controller; wakeup-source; #clock-cells = <1>; vcc1-supply = <&vcc33_sys>; vcc2-supply = <&vcc33_sys>; vcc3-supply = <&vcc33_sys>; vcc4-supply = <&vcc33_sys>; vcc6-supply = <&vcc_5v>; vcc7-supply = <&vcc33_sys>; vcc8-supply = <&vcc33_sys>; vcc12-supply = <&vcc_18>; vddio-supply = <&vcc33_io>; regulators { vdd_cpu: DCDC_REG1 { regulator-name = "vdd_arm"; regulator-always-on; regulator-boot-on; regulator-min-microvolt = <750000>; regulator-max-microvolt = <1450000>; regulator-ramp-delay = <6001>; regulator-state-mem { regulator-off-in-suspend; }; }; vdd_gpu: DCDC_REG2 { regulator-name = "vdd_gpu"; regulator-always-on; regulator-boot-on; regulator-min-microvolt = <800000>; regulator-max-microvolt = <1250000>; regulator-ramp-delay = <6001>; regulator-state-mem { regulator-on-in-suspend; regulator-suspend-microvolt = <1000000>; }; }; vcc135_ddr: DCDC_REG3 { regulator-name = "vcc135_ddr"; regulator-always-on; regulator-boot-on; regulator-state-mem { regulator-on-in-suspend; }; }; /* * vcc_18 has several aliases. (vcc18_flashio and * vcc18_wl). We'll add those aliases here just to * make it easier to follow the schematic. The signals * are actually hooked together and only separated for * power measurement purposes). */ vcc18_wl: vcc18_flashio: vcc_18: DCDC_REG4 { regulator-name = "vcc_18"; regulator-always-on; regulator-boot-on; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; regulator-state-mem { regulator-on-in-suspend; regulator-suspend-microvolt = <1800000>; }; }; /* * Note that both vcc33_io and vcc33_pmuio are always * powered together. To simplify the logic in the dts * we just refer to vcc33_io every time something is * powered from vcc33_pmuio. In fact, on later boards * (such as danger) they're the same net. */ vcc33_io: LDO_REG1 { regulator-name = "vcc33_io"; regulator-always-on; regulator-boot-on; regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; regulator-state-mem { regulator-on-in-suspend; regulator-suspend-microvolt = <3300000>; }; }; vdd_10: LDO_REG3 { regulator-name = "vdd_10"; regulator-always-on; regulator-boot-on; regulator-min-microvolt = <1000000>; regulator-max-microvolt = <1000000>; regulator-state-mem { regulator-on-in-suspend; regulator-suspend-microvolt = <1000000>; }; }; vdd10_lcd_pwren_h: LDO_REG7 { regulator-name = "vdd10_lcd_pwren_h"; regulator-always-on; regulator-boot-on; regulator-min-microvolt = <2500000>; regulator-max-microvolt = <2500000>; regulator-state-mem { regulator-off-in-suspend; }; }; vcc33_lcd: SWITCH_REG1 { regulator-name = "vcc33_lcd"; regulator-always-on; regulator-boot-on; regulator-state-mem { regulator-off-in-suspend; }; }; }; }; }; &i2c1 { status = "okay"; clock-frequency = <400000>; i2c-scl-falling-time-ns = <50>; /* 2.5ns measured */ i2c-scl-rising-time-ns = <100>; /* 40ns measured */ tpm: tpm@20 { compatible = "infineon,slb9645tt"; reg = <0x20>; powered-while-suspended; }; }; &i2c2 { status = "okay"; /* 100kHz since 4.7k resistors don't rise fast enough */ clock-frequency = <100000>; i2c-scl-falling-time-ns = <50>; /* 10ns measured */ i2c-scl-rising-time-ns = <800>; /* 600ns measured */ }; &i2c4 { status = "okay"; clock-frequency = <400000>; i2c-scl-falling-time-ns = <50>; /* 11ns measured */ i2c-scl-rising-time-ns = <300>; /* 225ns measured */ }; &i2c5 { status = "okay"; clock-frequency = <100000>; i2c-scl-falling-time-ns = <300>; i2c-scl-rising-time-ns = <1000>; }; &pwm1 { status = "okay"; }; &sdio0 { status = "okay"; broken-cd; bus-width = <4>; cap-sd-highspeed; cap-sdio-irq; keep-power-in-suspend; mmc-pwrseq = <&sdio_pwrseq>; non-removable; num-slots = <1>; pinctrl-names = "default"; pinctrl-0 = <&sdio0_clk &sdio0_cmd &sdio0_bus4>; vmmc-supply = <&vcc33_sys>; vqmmc-supply = <&vcc18_wl>; }; &spi2 { status = "okay"; rx-sample-delay-ns = <12>; }; &tsadc { status = "okay"; tsadc-tshut-mode = <1>; /* tshut mode 0:CRU 1:GPIO */ tsadc-tshut-polarity = <1>; /* tshut polarity 0:LOW 1:HIGH */ }; &uart0 { status = "okay"; /* We need to go faster than 24MHz, so adjust clock parents / rates */ assigned-clocks = <&cru SCLK_UART0>; assigned-clock-rates = <48000000>; /* Pins don't include flow control by default; add that in */ pinctrl-names = "default"; pinctrl-0 = <&uart0_xfer &uart0_cts &uart0_rts>; }; &uart1 { status = "okay"; }; &uart2 { status = "okay"; }; &usbphy { status = "okay"; }; &usb_host0_ehci { status = "okay"; needs-reset-on-resume; }; &usb_host1 { status = "okay"; }; &usb_otg { status = "okay"; assigned-clocks = <&cru SCLK_USBPHY480M_SRC>; assigned-clock-parents = <&cru SCLK_OTGPHY0>; dr_mode = "host"; }; &vopb { status = "okay"; }; &vopb_mmu { status = "okay"; }; &wdt { status = "okay"; }; &pinctrl { pinctrl-names = "default", "sleep"; pinctrl-0 = < /* Common for sleep and wake, but no owners */ &global_pwroff >; pinctrl-1 = < /* Common for sleep and wake, but no owners */ &global_pwroff >; pcfg_pull_none_drv_8ma: pcfg-pull-none-drv-8ma { bias-disable; drive-strength = <8>; }; pcfg_pull_up_drv_8ma: pcfg-pull-up-drv-8ma { bias-pull-up; drive-strength = <8>; }; pcfg_output_high: pcfg-output-high { output-high; }; pcfg_output_low: pcfg-output-low { output-low; }; buttons { pwr_key_l: pwr-key-l { rockchip,pins = <0 5 RK_FUNC_GPIO &pcfg_pull_up>; }; }; emmc { emmc_reset: emmc-reset { rockchip,pins = <2 9 RK_FUNC_GPIO &pcfg_pull_none>; }; /* * We run eMMC at max speed; bump up drive strength. * We also have external pulls, so disable the internal ones. */ emmc_clk: emmc-clk { rockchip,pins = <3 18 RK_FUNC_2 &pcfg_pull_none_drv_8ma>; }; emmc_cmd: emmc-cmd { rockchip,pins = <3 16 RK_FUNC_2 &pcfg_pull_none_drv_8ma>; }; emmc_bus8: emmc-bus8 { rockchip,pins = <3 0 RK_FUNC_2 &pcfg_pull_none_drv_8ma>, <3 1 RK_FUNC_2 &pcfg_pull_none_drv_8ma>, <3 2 RK_FUNC_2 &pcfg_pull_none_drv_8ma>, <3 3 RK_FUNC_2 &pcfg_pull_none_drv_8ma>, <3 4 RK_FUNC_2 &pcfg_pull_none_drv_8ma>, <3 5 RK_FUNC_2 &pcfg_pull_none_drv_8ma>, <3 6 RK_FUNC_2 &pcfg_pull_none_drv_8ma>, <3 7 RK_FUNC_2 &pcfg_pull_none_drv_8ma>; }; }; pmic { pmic_int_l: pmic-int-l { rockchip,pins = ; }; }; reboot { ap_warm_reset_h: ap-warm-reset-h { rockchip,pins = ; }; }; recovery-switch { rec_mode_l: rec-mode-l { rockchip,pins = <0 9 RK_FUNC_GPIO &pcfg_pull_up>; }; }; sdio0 { wifi_enable_h: wifienable-h { rockchip,pins = <4 28 RK_FUNC_GPIO &pcfg_pull_none>; }; /* NOTE: mislabelled on schematic; should be bt_enable_h */ bt_enable_l: bt-enable-l { rockchip,pins = <4 29 RK_FUNC_GPIO &pcfg_pull_none>; }; /* * We run sdio0 at max speed; bump up drive strength. * We also have external pulls, so disable the internal ones. */ sdio0_bus4: sdio0-bus4 { rockchip,pins = <4 20 RK_FUNC_1 &pcfg_pull_none_drv_8ma>, <4 21 RK_FUNC_1 &pcfg_pull_none_drv_8ma>, <4 22 RK_FUNC_1 &pcfg_pull_none_drv_8ma>, <4 23 RK_FUNC_1 &pcfg_pull_none_drv_8ma>; }; sdio0_cmd: sdio0-cmd { rockchip,pins = <4 24 RK_FUNC_1 &pcfg_pull_none_drv_8ma>; }; sdio0_clk: sdio0-clk { rockchip,pins = <4 25 RK_FUNC_1 &pcfg_pull_none_drv_8ma>; }; }; tpm { tpm_int_h: tpm-int-h { rockchip,pins = <7 4 RK_FUNC_GPIO &pcfg_pull_none>; }; }; /* * On Marvell-based hardware this is a no-connect. Make sure we enable * the pullup so that the line doesn't float. The pullup shouldn't * hurt on Broadcom-based hardware since the other side is actively * driving this signal. As proof: we've already got a pullup on RX. */ uart0 { uart0_cts: uart0-cts { rockchip,pins = <4 18 RK_FUNC_1 &pcfg_pull_up>; }; }; write-protect { fw_wp_ap: fw-wp-ap { rockchip,pins = <7 6 RK_FUNC_GPIO &pcfg_pull_none>; }; }; };