[PATCH 5/8] arm64: dts: ti: k3-j721e-common-proc-board: Add support SD card UHS modes

[Faiz Abbas]

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_ab...@ti.com>
---
 .../dts/ti/k3-j721e-common-proc-board.dts     | 35 ++++++++++++++++++-
 arch/arm64/boot/dts/ti/k3-j721e-main.dtsi     |  2 --
 2 files changed, 34 insertions(+), 3 deletions(-)

diff --git a/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts 
b/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts
index 52e121155563..0df9e6117b7c 100644
--- a/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts
+++ b/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts
@@ -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";
@@ -106,7 +131,13 @@
                >;
        };
 
-       main_usbss0_pins_default: main-usbss0-pins-default {
+       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 
*/
                        J721E_IOPAD(0x210, PIN_INPUT, 7) /* (W3) 
MCAN1_RX.GPIO1_3 */
@@ -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>;
diff --git a/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi 
b/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi
index 630b195cbc8a..a38d772b8356 100644
--- a/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi
@@ -1109,7 +1109,6 @@
                ti,trm-icp = <0x8>;
                ti,clkbuf-sel = <0x7>;
                dma-coherent;
-               no-1-8-v;
        };
 
        main_sdhci2: sdhci@4f98000 {
@@ -1130,7 +1129,6 @@
                ti,trm-icp = <0x8>;
                ti,clkbuf-sel = <0x7>;
                dma-coherent;
-               no-1-8-v;
        };
 
        usbss0: cdns-usb@4104000 {
-- 
2.17.1