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@xxxxxxxxxxxx>
---
arch/arm/boot/dts/r8a7794-alt.dts | 81 +++++++++++++++++++++++++++++++++++++++
1 file changed, 81 insertions(+)
diff --git a/arch/arm/boot/dts/r8a7794-alt.dts b/arch/arm/boot/dts/r8a7794-alt.dts
index 1ad37d431a2a..fe7c128cc965 100644
--- a/arch/arm/boot/dts/r8a7794-alt.dts
+++ b/arch/arm/boot/dts/r8a7794-alt.dts
@@ -10,6 +10,7 @@
/dts-v1/;
#include "r8a7794.dtsi"
+#include <dt-bindings/gpio/gpio.h>
/ {
model = "Alt";
@@ -29,6 +30,54 @@
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 {
#address-cells = <1>;
#size-cells = <1>;
@@ -140,6 +189,16 @@
groups = "vin0_data8", "vin0_clk";
function = "vin0";
};
+
+ sdhi0_pins: sd0 {
+ groups = "sdhi0_data4", "sdhi0_ctrl";
+ function = "sdhi0";
+ };
+
+ sdhi1_pins: sd1 {
+ groups = "sdhi1_data4", "sdhi1_ctrl";
+ function = "sdhi1";
+ };
};
&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 {
pinctrl-0 = <&i2c1_pins>;
pinctrl-names = "default";
--
2.7.0.rc3.207.g0ac5344
