This supports SDHI0 on H3ULCB board SD card slot
Signed-off-by: Vladimir Barinov <vladimir.bari...@cogentembedded.com>
Reviewed-by: Geert Uytterhoeven <geert+rene...@glider.be>
---
Changes in version 3:
- initially added
Changes in version 4:
- added sd-uhs-sdr50
Changes in version 5:
- nothing
---
arch/arm64/boot/dts/renesas/r8a7795-h3ulcb.dts | 49 ++++++++++++++++++++++++++
1 file changed, 49 insertions(+)
diff --git a/arch/arm64/boot/dts/renesas/r8a7795-h3ulcb.dts
b/arch/arm64/boot/dts/renesas/r8a7795-h3ulcb.dts
index 6842597..babe41c 100644
--- a/arch/arm64/boot/dts/renesas/r8a7795-h3ulcb.dts
+++ b/arch/arm64/boot/dts/renesas/r8a7795-h3ulcb.dts
@@ -44,6 +44,30 @@
gpios = <&gpio6 13 GPIO_ACTIVE_HIGH>;
};
};
+
+ 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>;
+ };
};
&extal_clk {
@@ -78,6 +102,18 @@
function = "avb";
};
+ sdhi0_pins_3v3: sd0_3v3 {
+ groups = "sdhi0_data4", "sdhi0_ctrl";
+ function = "sdhi0";
+ power-source = <3300>;
+ };
+
+ sdhi0_pins_1v8: sd0_1v8 {
+ groups = "sdhi0_data4", "sdhi0_ctrl";
+ function = "sdhi0";
+ power-source = <1800>;
+ };
+
usb1_pins: usb1 {
groups = "usb1";
function = "usb1";
@@ -108,6 +144,19 @@
status = "okay";
};
+&sdhi0 {
+ pinctrl-0 = <&sdhi0_pins_3v3>;
+ pinctrl-1 = <&sdhi0_pins_1v8>;
+ pinctrl-names = "default", "state_uhs";
+
+ vmmc-supply = <&vcc_sdhi0>;
+ vqmmc-supply = <&vccq_sdhi0>;
+ cd-gpios = <&gpio3 12 GPIO_ACTIVE_LOW>;
+ bus-width = <4>;
+ sd-uhs-sdr50;
+ status = "okay";
+};
+
&wdt0 {
timeout-sec = <60>;
status = "okay";
--
1.9.1
