arm64: dts: ti: k3-am62a: Enable UHS mode support for SD cards

Hook up required IO voltage regulators and drop no-1-8-v to support UHS
modes on SD cards.

Fixes: 5fc6b1b62639 ("arm64: dts: ti: Introduce AM62A7 family of SoCs")
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Signed-off-by: Judith Mendez <jm@ti.com>
Link: https://lore.kernel.org/r/20240423151732.3541894-4-jm@ti.com
Signed-off-by: Nishanth Menon <nm@ti.com>

diff --git a/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi b/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi
index e746a20b9a5de3a8148eda769cc9ce880130b609..bf9c2d9c6439a90c04db51bb123972fa1b5fbd6d 100644 (file)
--- a/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi
@@ -573,7 +573,6 @@
                ti,itap-del-sel-sd-hs = <0x0>;
                ti,itap-del-sel-sdr12 = <0x0>;
                ti,itap-del-sel-sdr25 = <0x0>;
-               no-1-8-v;
                status = "disabled";
        };
 
@@ -597,7 +596,6 @@
                ti,itap-del-sel-sd-hs = <0x0>;
                ti,itap-del-sel-sdr12 = <0x0>;
                ti,itap-del-sel-sdr25 = <0x0>;
-               no-1-8-v;
                status = "disabled";
        };
 

diff --git a/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts b/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts
index f241637a5642a0407921fa18b8d66a311bde1197..fa43cd0b631e62af66eb962c80e88e67696eb074 100644 (file)
--- a/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts
+++ b/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts
@@ -113,6 +113,20 @@
                regulator-boot-on;
        };
 
+       vddshv_sdio: regulator-5 {
+               compatible = "regulator-gpio";
+               regulator-name = "vddshv_sdio";
+               pinctrl-names = "default";
+               pinctrl-0 = <&vddshv_sdio_pins_default>;
+               regulator-min-microvolt = <1800000>;
+               regulator-max-microvolt = <3300000>;
+               regulator-boot-on;
+               vin-supply = <&ldo1>;
+               gpios = <&main_gpio0 31 GPIO_ACTIVE_HIGH>;
+               states = <1800000 0x0>,
+                        <3300000 0x1>;
+       };
+
        leds {
                compatible = "gpio-leds";
                pinctrl-names = "default";
@@ -342,6 +356,12 @@
                        AM62AX_IOPAD(0x01d4, PIN_INPUT, 7) /* (C15) UART0_RTSn.GPIO1_23 */
                >;
        };
+
+       vddshv_sdio_pins_default: vddshv-sdio-default-pins {
+               pinctrl-single,pins = <
+                       AM62AX_IOPAD(0x07c, PIN_OUTPUT, 7) /* (M19) GPMC0_CLK.GPIO0_31 */
+               >;
+       };
 };
 
 &mcu_pmx0 {
@@ -580,6 +600,7 @@
        /* SD/MMC */
        status = "okay";
        vmmc-supply = <&vdd_mmc1>;
+       vqmmc-supply = <&vddshv_sdio>;
        pinctrl-names = "default";
        pinctrl-0 = <&main_mmc1_pins_default>;
        disable-wp;