forked from Minki/linux
e99d7963e0
Add SDHI0 and MMCIF interfaces to armadillo800eva-reference with regulators and pin configurations. SDHI1 is not added yet, because the switch, that connects the interface either to an SD slot or to a WiFi SDIO card cannot be described in DT yet. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski+renesas@gmail.com> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
158 lines
3.2 KiB
Plaintext
158 lines
3.2 KiB
Plaintext
/*
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* Reference Device Tree Source for the armadillo 800 eva board
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*
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* Copyright (C) 2012 Renesas Solutions Corp.
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*
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* This file is licensed under the terms of the GNU General Public License
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* version 2. This program is licensed "as is" without any warranty of any
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* kind, whether express or implied.
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*/
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/dts-v1/;
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/include/ "r8a7740.dtsi"
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#include <dt-bindings/gpio/gpio.h>
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#include <dt-bindings/pwm/pwm.h>
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/ {
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model = "armadillo 800 eva reference";
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compatible = "renesas,armadillo800eva-reference", "renesas,r8a7740";
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chosen {
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bootargs = "console=tty0 console=ttySC1,115200 earlyprintk=sh-sci.1,115200 ignore_loglevel root=/dev/nfs ip=dhcp rw";
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};
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memory {
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device_type = "memory";
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reg = <0x40000000 0x20000000>;
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};
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reg_3p3v: regulator@0 {
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compatible = "regulator-fixed";
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regulator-name = "fixed-3.3V";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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regulator-always-on;
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regulator-boot-on;
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};
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vcc_sdhi0: regulator@1 {
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compatible = "regulator-fixed";
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regulator-name = "SDHI0 Vcc";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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gpio = <&pfc 75 GPIO_ACTIVE_HIGH>;
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enable-active-high;
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};
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vccq_sdhi0: regulator@2 {
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compatible = "regulator-gpio";
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regulator-name = "SDHI0 VccQ";
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <3300000>;
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vin-supply = <&vcc_sdhi0>;
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enable-gpio = <&pfc 74 GPIO_ACTIVE_HIGH>;
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gpios = <&pfc 17 GPIO_ACTIVE_HIGH>;
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states = <3300000 0
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1800000 1>;
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enable-active-high;
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};
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leds {
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compatible = "gpio-leds";
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led1 {
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gpios = <&pfc 102 GPIO_ACTIVE_HIGH>;
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};
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led2 {
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gpios = <&pfc 111 GPIO_ACTIVE_HIGH>;
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};
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led3 {
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gpios = <&pfc 110 GPIO_ACTIVE_HIGH>;
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};
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led4 {
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gpios = <&pfc 177 GPIO_ACTIVE_HIGH>;
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};
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};
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backlight {
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compatible = "pwm-backlight";
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pwms = <&tpu 2 33333 PWM_POLARITY_INVERTED>;
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brightness-levels = <0 1 2 4 8 16 32 64 128 255>;
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default-brightness-level = <9>;
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pinctrl-0 = <&backlight_pins>;
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pinctrl-names = "default";
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};
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};
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&i2c0 {
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status = "okay";
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touchscreen: st1232@55 {
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compatible = "sitronix,st1232";
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reg = <0x55>;
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interrupt-parent = <&irqpin1>;
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interrupts = <2 0>; /* IRQ10: hwirq 2 on irqpin1 */
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pinctrl-0 = <&st1232_pins>;
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pinctrl-names = "default";
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gpios = <&pfc 166 GPIO_ACTIVE_LOW>;
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};
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};
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&pfc {
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pinctrl-0 = <&scifa1_pins>;
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pinctrl-names = "default";
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scifa1_pins: scifa1 {
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renesas,groups = "scifa1_data";
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renesas,function = "scifa1";
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};
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st1232_pins: st1232 {
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renesas,groups = "intc_irq10";
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renesas,function = "intc";
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};
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backlight_pins: backlight {
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renesas,groups = "tpu0_to2_1";
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renesas,function = "tpu0";
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};
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mmc0_pins: mmc0 {
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renesas,groups = "mmc0_data8_1", "mmc0_ctrl_1";
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renesas,function = "mmc0";
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};
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sdhi0_pins: sdhi0 {
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renesas,groups = "sdhi0_data4", "sdhi0_ctrl", "sdhi0_wp";
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renesas,function = "sdhi0";
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};
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};
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&tpu {
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status = "okay";
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};
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&mmcif0 {
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pinctrl-0 = <&mmc0_pins>;
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pinctrl-names = "default";
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vmmc-supply = <®_3p3v>;
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bus-width = <8>;
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non-removable;
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status = "okay";
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};
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&sdhi0 {
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pinctrl-0 = <&sdhi0_pins>;
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pinctrl-names = "default";
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vmmc-supply = <&vcc_sdhi0>;
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vqmmc-supply = <&vccq_sdhi0>;
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bus-width = <4>;
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cd-gpios = <&pfc 167 GPIO_ACTIVE_LOW>;
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status = "okay";
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};
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