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+rene...@verge.net.au>
Reviewed-by: Geert Uytterhoeven <geert+rene...@glider.be>
---
arch/arm64/boot/dts/renesas/r8a7796-salvator-x.dts | 84 ++++++++++++++++++++++
1 file changed, 84 insertions(+)
diff --git a/arch/arm64/boot/dts/renesas/r8a7796-salvator-x.dts
b/arch/arm64/boot/dts/renesas/r8a7796-salvator-x.dts
index 90e9a76c8b30..c946569accb1 100644
--- 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";
--
2.7.0.rc3.207.g0ac5344
