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Commit 761b11e1 authored by Sergei Shtylyov's avatar Sergei Shtylyov Committed by Simon Horman
Browse files

ARM: shmobile: silk: add SDHI1 DT support 



Define the SILK board dependent part of the SDHI1 (connected to micro-SD
slot) device nodes along with the necessary voltage regulators.

Based on the original patch by Vladimir Barinov
<vladimir.barinov@cogentembedded.com>.

Signed-off-by: default avatarSergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: default avatarSimon Horman <horms+renesas@verge.net.au>
parent 5d2ac865

arch/arm/boot/dts/r8a7794-silk.dts

+40 −0
Original line number Diff line number Diff line
@@ -12,6 +12,7 @@ 


/dts-v1/;

#include "r8a7794.dtsi"

#include <dt-bindings/gpio/gpio.h>



/ {

	model = "SILK";
@@ -39,6 +40,30 @@ 
		regulator-boot-on;

		regulator-always-on;

	};



	vcc_sdhi1: regulator@3 {

		compatible = "regulator-fixed";



		regulator-name = "SDHI1 Vcc";

		regulator-min-microvolt = <3300000>;

		regulator-max-microvolt = <3300000>;



		gpio = <&gpio4 26 GPIO_ACTIVE_HIGH>;

		enable-active-high;

	};



	vccq_sdhi1: regulator@4 {

		compatible = "regulator-gpio";



		regulator-name = "SDHI1 VccQ";

		regulator-min-microvolt = <1800000>;

		regulator-max-microvolt = <3300000>;



		gpios = <&gpio4 29 GPIO_ACTIVE_HIGH>;

		gpios-states = <1>;

		states = <3300000 1

			  1800000 0>;

	};

};



&extal_clk {
@@ -71,6 +96,11 @@ 
		renesas,function = "mmc";

	};



	sdhi1_pins: sd1 {

		renesas,groups = "sdhi1_data4", "sdhi1_ctrl";

		renesas,function = "sdhi1";

	};



	qspi_pins: spi0 {

		renesas,groups = "qspi_ctrl", "qspi_data4";

		renesas,function = "qspi";
@@ -147,6 +177,16 @@ 
	status = "okay";

};



&sdhi1 {

	pinctrl-0 = <&sdhi1_pins>;

	pinctrl-names = "default";



	vmmc-supply = <&vcc_sdhi1>;

	vqmmc-supply = <&vccq_sdhi1>;

	cd-gpios = <&gpio6 14 GPIO_ACTIVE_LOW>;

	status = "okay";

};



&qspi {

	pinctrl-0 = <&qspi_pins>;

	pinctrl-names = "default";