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

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

Fixes: 5fc6b1b626 ("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>
This commit is contained in:
Vignesh Raghavendra 2024-04-23 10:17:30 -05:00 committed by Nishanth Menon
parent 735ddec7a1
commit 8f023012eb
2 changed files with 21 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/arm64/boot/dts/ti/k3-am62a-main.dtsi
View File

@ -573,7 +573,6 @@ sdhci1: mmc@fa00000 {
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 @@ sdhci2: mmc@fa20000 {
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";
};

21
arch/arm64/boot/dts/ti/k3-am62a7-sk.dts
View File

@ -113,6 +113,20 @@ vcc_3v3_sys: regulator-4 {
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 @@ main_gpio1_ioexp_intr_pins_default: main-gpio1-ioexp-intr-default-pins {
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 @@ &sdhci1 {
/* SD/MMC */
status = "okay";
vmmc-supply = <&vdd_mmc1>;
vqmmc-supply = <&vddshv_sdio>;
pinctrl-names = "default";
pinctrl-0 = <&main_mmc1_pins_default>;
disable-wp;