From 8f023012eb4aa9100ecb1457ab96ddcc54c5d373 Mon Sep 17 00:00:00 2001 From: Vignesh Raghavendra Date: Tue, 23 Apr 2024 10:17:30 -0500 Subject: 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 Signed-off-by: Judith Mendez Link: https://lore.kernel.org/r/20240423151732.3541894-4-jm@ti.com Signed-off-by: Nishanth Menon --- arch/arm64/boot/dts/ti/k3-am62a7-sk.dts | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) (limited to 'arch/arm64/boot/dts/ti/k3-am62a7-sk.dts') diff --git a/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts b/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts index f241637a5642..fa43cd0b631e 100644 --- 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; -- cgit v1.2.3