ARM: dts: iwg20d-q7: Add SDHI1 support

Define the iWave RainboW-G20D-Qseven board dependent part of the
SDHI1 device node.

Signed-off-by: Biju Das <biju.das@bp.renesas.com>
Acked-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

diff --git a/arch/arm/boot/dts/r8a7743-iwg20d-q7.dts b/arch/arm/boot/dts/r8a7743-iwg20d-q7.dts
index 081af01..4ff27d2 100644 (file)
--- a/arch/arm/boot/dts/r8a7743-iwg20d-q7.dts
+++ b/arch/arm/boot/dts/r8a7743-iwg20d-q7.dts
@@ -19,6 +19,29 @@
                serial0 = &scif0;
                ethernet0 = &avb;
        };
+
+       vcc_sdhi1: regulator-vcc-sdhi1 {
+               compatible = "regulator-fixed";
+
+               regulator-name = "SDHI1 Vcc";
+               regulator-min-microvolt = <3300000>;
+               regulator-max-microvolt = <3300000>;
+
+               gpio = <&gpio1 16 GPIO_ACTIVE_LOW>;
+       };
+
+       vccq_sdhi1: regulator-vccq-sdhi1 {
+               compatible = "regulator-gpio";
+
+               regulator-name = "SDHI1 VccQ";
+               regulator-min-microvolt = <1800000>;
+               regulator-max-microvolt = <3300000>;
+
+               gpios = <&gpio2 30 GPIO_ACTIVE_LOW>;
+               gpios-states = <1>;
+               states = <3300000 1
+                         1800000 0>;
+       };
 };
 
 &pfc {
@@ -31,6 +54,18 @@
                groups = "avb_mdio", "avb_gmii";
                function = "avb";
        };
+
+       sdhi1_pins: sd1 {
+               groups = "sdhi1_data4", "sdhi1_ctrl";
+               function = "sdhi1";
+               power-source = <3300>;
+       };
+
+       sdhi1_pins_uhs: sd1_uhs {
+               groups = "sdhi1_data4", "sdhi1_ctrl";
+               function = "sdhi1";
+               power-source = <1800>;
+       };
 };
 
 &scif0 {
@@ -54,3 +89,16 @@
                micrel,led-mode = <1>;
        };
 };
+
+&sdhi1 {
+       pinctrl-0 = <&sdhi1_pins>;
+       pinctrl-1 = <&sdhi1_pins_uhs>;
+       pinctrl-names = "default", "state_uhs";
+
+       vmmc-supply = <&vcc_sdhi1>;
+       vqmmc-supply = <&vccq_sdhi1>;
+       cd-gpios = <&gpio6 14 GPIO_ACTIVE_LOW>;
+       wp-gpios = <&gpio6 15 GPIO_ACTIVE_HIGH>;
+       sd-uhs-sdr50;
+       status = "okay";
+};