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ARM: dts: alt: add SDHI0 and 1 support

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Define the Alt board dependent part of the SDHI0 and 1
device nodes along with the necessary voltage regulators.

Based on work by the original patch by Vladimir Barinov and
Sergei Shtylyov for the Silk board.

Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
This commit is contained in:
Simon Horman 2016-08-09 14:19:03 +02:00
parent bb249cdc3e
commit 2b41091b89
1 changed files with 81 additions and 0 deletions
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81
arch/arm/boot/dts/r8a7794-alt.dts
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@ -10,6 +10,7 @@
/dts-v1/; /dts-v1/;
#include "r8a7794.dtsi" #include "r8a7794.dtsi"
#include <dt-bindings/gpio/gpio.h>
/ { / {
model = "Alt"; model = "Alt";
@ -29,6 +30,54 @@
reg = <0 0x40000000 0 0x40000000>; reg = <0 0x40000000 0 0x40000000>;
}; };
vcc_sdhi0: regulator-vcc-sdhi0 {
compatible = "regulator-fixed";
regulator-name = "SDHI0 Vcc";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
gpio = <&gpio2 26 GPIO_ACTIVE_HIGH>;
enable-active-high;
};
vccq_sdhi0: regulator-vccq-sdhi0 {
compatible = "regulator-gpio";
regulator-name = "SDHI0 VccQ";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3300000>;
gpios = <&gpio2 29 GPIO_ACTIVE_HIGH>;
gpios-states = <1>;
states = <3300000 1
1800000 0>;
};
vcc_sdhi1: regulator-vcc-sdhi1 {
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-vccq-sdhi1 {
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>;
};
lbsc { lbsc {
#address-cells = <1>; #address-cells = <1>;
#size-cells = <1>; #size-cells = <1>;
@ -140,6 +189,16 @@
groups = "vin0_data8", "vin0_clk"; groups = "vin0_data8", "vin0_clk";
function = "vin0"; function = "vin0";
}; };
sdhi0_pins: sd0 {
groups = "sdhi0_data4", "sdhi0_ctrl";
function = "sdhi0";
};
sdhi1_pins: sd1 {
groups = "sdhi1_data4", "sdhi1_ctrl";
function = "sdhi1";
};
}; };
&cmt0 { &cmt0 {
@ -169,6 +228,28 @@
}; };
}; };
&sdhi0 {
pinctrl-0 = <&sdhi0_pins>;
pinctrl-names = "default";
vmmc-supply = <&vcc_sdhi0>;
vqmmc-supply = <&vccq_sdhi0>;
cd-gpios = <&gpio6 6 GPIO_ACTIVE_LOW>;
wp-gpios = <&gpio6 7 GPIO_ACTIVE_LOW>;
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>;
wp-gpios = <&gpio6 15 GPIO_ACTIVE_LOW>;
status = "okay";
};
&i2c1 { &i2c1 {
pinctrl-0 = <&i2c1_pins>; pinctrl-0 = <&i2c1_pins>;
pinctrl-names = "default"; pinctrl-names = "default";