arm64: dts: r8a7796: salvator-x: enable SDHI0 & 3

Enable the exposed SD card slots in the DT of the r8a7796/salvator-x.

Based on work for the r8a7795/salvator-x by Ai Kyuse.

Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

diff --git a/arch/arm64/boot/dts/renesas/r8a7796-salvator-x.dts b/arch/arm64/boot/dts/renesas/r8a7796-salvator-x.dts
index 90e9a76c8b3080d72344f4d531f25ee0b882e3a1..c946569accb1e5becdb929463a2591894d7e43c2 100644 (file)
--- a/arch/arm64/boot/dts/renesas/r8a7796-salvator-x.dts
+++ b/arch/arm64/boot/dts/renesas/r8a7796-salvator-x.dts
@@ -10,6 +10,7 @@
 
 /dts-v1/;
 #include "r8a7796.dtsi"
+#include <dt-bindings/gpio/gpio.h>
 
 / {
        model = "Renesas Salvator-X board based on r8a7796";
@@ -29,6 +30,55 @@
                /* first 128MB is reserved for secure area. */
                reg = <0x0 0x48000000 0x0 0x78000000>;
        };
+
+       vcc_sdhi0: regulator-vcc-sdhi0 {
+               compatible = "regulator-fixed";
+
+               regulator-name = "SDHI0 Vcc";
+               regulator-min-microvolt = <3300000>;
+               regulator-max-microvolt = <3300000>;
+
+               gpio = <&gpio5 2 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 = <&gpio5 1 GPIO_ACTIVE_HIGH>;
+               gpios-states = <1>;
+               states = <3300000 1
+                         1800000 0>;
+       };
+
+       vcc_sdhi3: regulator-vcc-sdhi3 {
+               compatible = "regulator-fixed";
+
+               regulator-name = "SDHI3 Vcc";
+               regulator-min-microvolt = <3300000>;
+               regulator-max-microvolt = <3300000>;
+
+               gpio = <&gpio3 15 GPIO_ACTIVE_HIGH>;
+               enable-active-high;
+       };
+
+       vccq_sdhi3: regulator-vccq-sdhi3 {
+               compatible = "regulator-gpio";
+
+               regulator-name = "SDHI3 VccQ";
+               regulator-min-microvolt = <1800000>;
+               regulator-max-microvolt = <3300000>;
+
+               gpios = <&gpio3 14 GPIO_ACTIVE_HIGH>;
+               gpios-states = <1>;
+               states = <3300000 1
+                         1800000 0>;
+       };
+
 };
 
 &pfc {
@@ -43,6 +93,16 @@
                groups = "scif_clk_a";
                function = "scif_clk";
        };
+
+       sdhi0_pins: sd0 {
+               groups = "sdhi0_data4", "sdhi0_ctrl";
+               function = "sdhi0";
+       };
+
+       sdhi3_pins: sd3 {
+               groups = "sdhi3_data4", "sdhi3_ctrl";
+               function = "sdhi3";
+       };
 };
 
 &extal_clk {
@@ -53,6 +113,30 @@
        clock-frequency = <32768>;
 };
 
+&sdhi0 {
+       pinctrl-0 = <&sdhi0_pins>;
+       pinctrl-names = "default";
+
+       vmmc-supply = <&vcc_sdhi0>;
+       vqmmc-supply = <&vccq_sdhi0>;
+       cd-gpios = <&gpio3 12 GPIO_ACTIVE_LOW>;
+       wp-gpios = <&gpio3 13 GPIO_ACTIVE_HIGH>;
+       bus-width = <4>;
+       status = "okay";
+};
+
+&sdhi3 {
+       pinctrl-0 = <&sdhi3_pins>;
+       pinctrl-names = "default";
+
+       vmmc-supply = <&vcc_sdhi3>;
+       vqmmc-supply = <&vccq_sdhi3>;
+       cd-gpios = <&gpio4 15 GPIO_ACTIVE_LOW>;
+       wp-gpios = <&gpio4 16 GPIO_ACTIVE_HIGH>;
+       bus-width = <4>;
+       status = "okay";
+};
+
 &scif2 {
        pinctrl-0 = <&scif2_pins>;
        pinctrl-names = "default";