ARM: shmobile: Add SDHI devices for Koelsch DTS

Add DT support for SDHI0, SDHI1 and SDHI2 on Koelsch.

The board specific handling of CD and WP pins are
using GPIOs. SDHI0 and SDHI1 are hooked up to regular
SD connectors while SDHI2 is using micro-SD which
is lacking WP signal.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

diff --git a/arch/arm/boot/dts/r8a7791-koelsch.dts b/arch/arm/boot/dts/r8a7791-koelsch.dts
index 603af8caae5bf66c1b5a426d4ba89c00f17bbc81..bdd73e6657b27a76ee2d2f7c37abdced267b96ae 100644 (file)
--- a/arch/arm/boot/dts/r8a7791-koelsch.dts
+++ b/arch/arm/boot/dts/r8a7791-koelsch.dts
@@ -103,6 +103,78 @@
                        gpios = <&gpio2 21 GPIO_ACTIVE_HIGH>;
                };
        };
+
+       vcc_sdhi0: regulator@0 {
+               compatible = "regulator-fixed";
+
+               regulator-name = "SDHI0 Vcc";
+               regulator-min-microvolt = <3300000>;
+               regulator-max-microvolt = <3300000>;
+
+               gpio = <&gpio7 17 GPIO_ACTIVE_HIGH>;
+               enable-active-high;
+       };
+
+       vccq_sdhi0: regulator@1 {
+               compatible = "regulator-gpio";
+
+               regulator-name = "SDHI0 VccQ";
+               regulator-min-microvolt = <1800000>;
+               regulator-max-microvolt = <3300000>;
+
+               gpios = <&gpio2 12 GPIO_ACTIVE_HIGH>;
+               gpios-states = <1>;
+               states = <3300000 1
+                         1800000 0>;
+       };
+
+       vcc_sdhi1: regulator@2 {
+               compatible = "regulator-fixed";
+
+               regulator-name = "SDHI1 Vcc";
+               regulator-min-microvolt = <3300000>;
+               regulator-max-microvolt = <3300000>;
+
+               gpio = <&gpio7 18 GPIO_ACTIVE_HIGH>;
+               enable-active-high;
+       };
+
+       vccq_sdhi1: regulator@3 {
+               compatible = "regulator-gpio";
+
+               regulator-name = "SDHI1 VccQ";
+               regulator-min-microvolt = <1800000>;
+               regulator-max-microvolt = <3300000>;
+
+               gpios = <&gpio2 13 GPIO_ACTIVE_HIGH>;
+               gpios-states = <1>;
+               states = <3300000 1
+                         1800000 0>;
+       };
+
+       vcc_sdhi2: regulator@4 {
+               compatible = "regulator-fixed";
+
+               regulator-name = "SDHI2 Vcc";
+               regulator-min-microvolt = <3300000>;
+               regulator-max-microvolt = <3300000>;
+
+               gpio = <&gpio7 19 GPIO_ACTIVE_HIGH>;
+               enable-active-high;
+       };
+
+       vccq_sdhi2: regulator@5 {
+               compatible = "regulator-gpio";
+
+               regulator-name = "SDHI2 VccQ";
+               regulator-min-microvolt = <1800000>;
+               regulator-max-microvolt = <3300000>;
+
+               gpios = <&gpio2 26 GPIO_ACTIVE_HIGH>;
+               gpios-states = <1>;
+               states = <3300000 1
+                         1800000 0>;
+       };
 };
 
 &extal_clk {
@@ -157,6 +229,21 @@
                renesas,function = "intc";
        };
 
+       sdhi0_pins: sd0 {
+               renesas,gpios = "sdhi0_data4", "sdhi0_ctrl";
+               renesas,function = "sdhi0";
+       };
+
+       sdhi1_pins: sd1 {
+               renesas,gpios = "sdhi1_data4", "sdhi1_ctrl";
+               renesas,function = "sdhi1";
+       };
+
+       sdhi2_pins: sd2 {
+               renesas,gpios = "sdhi2_data4", "sdhi2_ctrl";
+               renesas,function = "sdhi2";
+       };
+
        qspi_pins: spi {
                renesas,groups = "qspi_ctrl", "qspi_data4";
                renesas,function = "qspi";
@@ -182,6 +269,38 @@
        status = "okay";
 };
 
+&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_HIGH>;
+       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_HIGH>;
+       status = "okay";
+};
+
+&sdhi2 {
+       pinctrl-0 = <&sdhi2_pins>;
+       pinctrl-names = "default";
+
+       vmmc-supply = <&vcc_sdhi2>;
+       vqmmc-supply = <&vccq_sdhi2>;
+       cd-gpios = <&gpio6 22 GPIO_ACTIVE_LOW>;
+       status = "okay";
+};
+
 &spi {
        pinctrl-0 = <&qspi_pins>;
        pinctrl-names = "default";