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arm64: dts: ti: k3-j721e-common-proc-board: Add support for SD card UHS modes 

Add support for UHS modes for the SD card connected at sdhci1. This
involves adding regulators for voltage switching and power cycling the
SD card and removing the no-1-8-v property.

Signed-off-by: Faiz Abbas <faiz_abbas@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Link: https://lore.kernel.org/r/20201129175223.21751-3-nsekhar@ti.com
This commit is contained in:
Faiz Abbas 2020-11-29 23:22:23 +05:30 committed by Nishanth Menon
parent 09ff4e90e0
commit cd48ce86a4
2 changed files with 33 additions and 2 deletions
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33
arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts
View File

@ -67,6 +67,31 @@
regulator-boot-on;
};
vdd_mmc1: fixedregulator-sd {
compatible = "regulator-fixed";
regulator-name = "vdd_mmc1";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-boot-on;
enable-active-high;
vin-supply = <&vsys_3v3>;
gpio = <&exp2 2 GPIO_ACTIVE_HIGH>;
};
vdd_sd_dv_alt: gpio-regulator-TLV71033 {
compatible = "regulator-gpio";
pinctrl-names = "default";
pinctrl-0 = <&vdd_sd_dv_alt_pins_default>;
regulator-name = "tlv71033";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3300000>;
regulator-boot-on;
vin-supply = <&vsys_5v0>;
gpios = <&main_gpio0 117 GPIO_ACTIVE_HIGH>;
states = <1800000 0x0>,
<3300000 0x1>;
};
sound0: sound@0 {
compatible = "ti,j721e-cpb-audio";
model = "j721e-cpb";
@ -106,6 +131,12 @@
>;
};
vdd_sd_dv_alt_pins_default: vdd-sd-dv-alt-pins-default {
pinctrl-single,pins = <
J721E_IOPAD(0x1d8, PIN_INPUT, 7) /* (W4) SPI1_CS1.GPIO0_117 */
>;
};
main_usbss0_pins_default: main-usbss0-pins-default {
pinctrl-single,pins = <
J721E_IOPAD(0x290, PIN_OUTPUT, 0) /* (U6) USB0_DRVVBUS */
@ -295,6 +326,8 @@
&main_sdhci1 {
/* SD/MMC */
vmmc-supply = <&vdd_mmc1>;
vqmmc-supply = <&vdd_sd_dv_alt>;
pinctrl-names = "default";
pinctrl-0 = <&main_mmc1_pins_default>;
ti,driver-strength-ohm = <50>;

2
arch/arm64/boot/dts/ti/k3-j721e-main.dtsi
View File

@ -1108,7 +1108,6 @@
ti,trm-icp = <0x8>;
ti,clkbuf-sel = <0x7>;
dma-coherent;
no-1-8-v;
};
main_sdhci2: sdhci@4f98000 {
@ -1129,7 +1128,6 @@
ti,trm-icp = <0x8>;
ti,clkbuf-sel = <0x7>;
dma-coherent;
no-1-8-v;
};
usbss0: cdns-usb@4104000 {