diff options
| author | Jerome Brunet <jbrunet@baylibre.com> | 2018-11-09 15:04:43 +0100 |
|---|---|---|
| committer | Kevin Hilman <khilman@baylibre.com> | 2018-11-29 12:30:03 -0800 |
| commit | 96a13691c1ddfafc301d1ee451d91fc2cca48d27 (patch) | |
| tree | 2cc3113cdd83ef2e061d7c11741381c18f8caacb /arch/arm64/boot/dts/amlogic/meson-axg.dtsi | |
| parent | 06096d7a8734b0ee3d5353f37a7d2c34fb1a6a26 (diff) | |
arm64: dts: meson: disable pad bias for mmc pinmuxes
In some cases (such as a boot from SPI) the bootloader or the ROM code may
leave a bias pull-down on the mmc pins. If so the MMC will fail during the
initialisation.
Explicitly disabling the pinmux solves the problem.
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Diffstat (limited to 'arch/arm64/boot/dts/amlogic/meson-axg.dtsi')
| -rw-r--r-- | arch/arm64/boot/dts/amlogic/meson-axg.dtsi | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/amlogic/meson-axg.dtsi b/arch/arm64/boot/dts/amlogic/meson-axg.dtsi index 28582a44883b..50a05bf9b3dd 100644 --- a/arch/arm64/boot/dts/amlogic/meson-axg.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-axg.dtsi @@ -303,6 +303,7 @@ "emmc_cmd", "emmc_ds"; function = "emmc"; + bias-disable; }; }; @@ -533,6 +534,7 @@ "sdio_cmd", "sdio_clk"; function = "sdio"; + bias-disable; }; }; |