git.openwrt.org Git - openwrt/openwrt.git/blob

   1 From 6cb02674a061e4ef4f437ab60c91038d4c0d85ef Mon Sep 17 00:00:00 2001
   2 From: John Clark <inindev@gmail.com>
   3 Date: Tue, 2 Jan 2024 02:40:53 +0000
   4 Subject: [PATCH] arm64: dts: rockchip: fix nanopc-t6 sdmmc regulator
   5
   6 sdmmc on the nanopc-t6 is powered by vcc3v3_sd_s0, not vcc_3v3_s3
   7 add the vcc3v3_sd_s0 regulator, and control it with gpio4_a5
   8
   9 Signed-off-by: John Clark <inindev@gmail.com>
  10 Link: https://lore.kernel.org/r/20240102024054.1030313-1-inindev@gmail.com
  11 Signed-off-by: Heiko Stuebner <heiko@sntech.de>
  12 ---
  13  arch/arm64/boot/dts/rockchip/rk3588-nanopc-t6.dts | 13 ++++++++++++-
  14  1 file changed, 12 insertions(+), 1 deletion(-)
  15
  16 --- a/arch/arm64/boot/dts/rockchip/rk3588-nanopc-t6.dts
  17 +++ b/arch/arm64/boot/dts/rockchip/rk3588-nanopc-t6.dts
  18 @@ -160,6 +160,17 @@
  19                 vin-supply = <&vcc5v0_sys>;
  20         };
  21
  22 +       vcc3v3_sd_s0: vcc3v3-sd-s0-regulator {
  23 +               compatible = "regulator-fixed";
  24 +               enable-active-low;
  25 +               gpio = <&gpio4 RK_PA5 GPIO_ACTIVE_LOW>;
  26 +               regulator-boot-on;
  27 +               regulator-max-microvolt = <3300000>;
  28 +               regulator-min-microvolt = <3300000>;
  29 +               regulator-name = "vcc3v3_sd_s0";
  30 +               vin-supply = <&vcc_3v3_s3>;
  31 +       };
  32 +
  33         vdd_4g_3v3: vdd-4g-3v3-regulator {
  34                 compatible = "regulator-fixed";
  35                 enable-active-high;
  36 @@ -560,7 +571,7 @@
  37         no-mmc;
  38         no-sdio;
  39         sd-uhs-sdr104;
  40 -       vmmc-supply = <&vcc_3v3_s3>;
  41 +       vmmc-supply = <&vcc3v3_sd_s0>;
  42         vqmmc-supply = <&vccio_sd_s0>;
  43         status = "okay";
  44  };