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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: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
This commit is contained in:
Sergei Shtylyov 2015-10-16 14:37:01 -07:00 committed by Simon Horman
parent 5d2ac865a6
commit 761b11e141
1 changed files with 40 additions and 0 deletions
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40
arch/arm/boot/dts/r8a7794-silk.dts
View File

@ -12,6 +12,7 @@
/dts-v1/;
#include "r8a7794.dtsi"
#include <dt-bindings/gpio/gpio.h>
/ {
model = "SILK";
@ -39,6 +40,30 @@ d3_3v: regulator@0 {
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 @@ mmcif0_pins: mmcif0 {
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 @@ &mmcif0 {
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";