diff options
| author | Faiz Abbas | 2021-02-04 15:10:58 +0530 |
|---|---|---|
| committer | Lokesh Vutla | 2021-02-04 20:37:57 +0530 |
| commit | f0a496a3d25357f8b8ef1e394d25ece725b1e564 (patch) | |
| tree | 4b45917609c03e2e66baf4d73e0dea972c20f807 | |
| parent | 52de3c324de4328c00e50a799f526512e3ad4ce8 (diff) | |
arm: dts: k3-j721e-common-proc-board: Add support for UHS modes for SD card
Add support for regulators to power cycle and switch IO voltage to the
SD card. This enables support for UHS modes.
Signed-off-by: Faiz Abbas <faiz_abbas@ti.com>
Signed-off-by: Aswath Govindraju <a-govindraju@ti.com>
| -rw-r--r-- | arch/arm/dts/k3-j721e-common-proc-board.dts | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/arch/arm/dts/k3-j721e-common-proc-board.dts b/arch/arm/dts/k3-j721e-common-proc-board.dts index 496a15e1d1a..fcfc665f094 100644 --- a/arch/arm/dts/k3-j721e-common-proc-board.dts +++ b/arch/arm/dts/k3-j721e-common-proc-board.dts @@ -6,6 +6,7 @@ /dts-v1/; #include "k3-j721e-som-p0.dtsi" +#include <dt-bindings/gpio/gpio.h> / { chosen { @@ -24,6 +25,29 @@ remoteproc7 = &c66_1; remoteproc8 = &c71_0; }; + + 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; + 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; + gpios = <&main_gpio0 117 GPIO_ACTIVE_HIGH>; + states = <1800000 0x0 + 3300000 0x1>; + }; }; &wkup_uart0 { @@ -79,6 +103,12 @@ J721E_IOPAD(0x25c, PIN_INPUT, 0) /* (R28) MMC1_SDWP */ >; }; + + vdd_sd_dv_alt_pins_default: vdd_sd_dv_alt_pins_default { + pinctrl-single,pins = < + J721E_IOPAD(0x1d8, PIN_OUTPUT, 7) /* (W4) SPI1_CS1.GPIO0_117 */ + >; + }; }; &main_sdhci0 { @@ -92,6 +122,8 @@ pinctrl-names = "default"; pinctrl-0 = <&main_mmc1_pins_default>; ti,driver-strength-ohm = <50>; + vmmc-supply = <&vdd_mmc1>; + vqmmc-supply = <&vdd_sd_dv_alt>; }; &main_pmx0 { |