diff options
| author | Nicolas Saenz Julienne <nsaenzjulienne@suse.de> | 2020-03-06 18:44:13 +0100 |
|---|---|---|
| committer | Nicolas Saenz Julienne <nsaenzjulienne@suse.de> | 2020-03-27 21:25:35 +0100 |
| commit | 8f7a54a74d72c8e5b4023b2ee035508237ee853d (patch) | |
| tree | ca96fd4032e351138d26381a741d9d3720c0f7cf | |
| parent | 155c58f225281a7e4bb675370252477f2f9b9a30 (diff) | |
ARM: dts: bcm2711: Add vmmc regulator in emmc2
The SD card power can be controlled trough a pin routed into the board's
external GPIO expander. Turn that into a regulator and provide it to
emmc2.
Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Link: https://lore.kernel.org/r/20200306174413.20634-12-nsaenzjulienne@suse.de
| -rw-r--r-- | arch/arm/boot/dts/bcm2711-rpi-4-b.dts | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/bcm2711-rpi-4-b.dts b/arch/arm/boot/dts/bcm2711-rpi-4-b.dts index 685667de30c0..dd94e92aa7c4 100644 --- a/arch/arm/boot/dts/bcm2711-rpi-4-b.dts +++ b/arch/arm/boot/dts/bcm2711-rpi-4-b.dts @@ -53,6 +53,16 @@ 3300000 0x0>; status = "okay"; }; + + sd_vcc_reg: sd_vcc_reg { + compatible = "regulator-fixed"; + regulator-name = "vcc-sd"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + enable-active-high; + gpio = <&expgpio 6 GPIO_ACTIVE_HIGH>; + }; }; &firmware { @@ -171,6 +181,7 @@ /* EMMC2 is used to drive the SD card */ &emmc2 { vqmmc-supply = <&sd_io_1v8_reg>; + vmmc-supply = <&sd_vcc_reg>; broken-cd; status = "okay"; }; |