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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-gxbb.dtsi | |
parent | 06096d7a8734b0ee3d5353f37a7d2c34fb1a6a26 (diff) | |
download | linux-stable-96a13691c1ddfafc301d1ee451d91fc2cca48d27.tar.gz linux-stable-96a13691c1ddfafc301d1ee451d91fc2cca48d27.tar.bz2 linux-stable-96a13691c1ddfafc301d1ee451d91fc2cca48d27.zip |
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-gxbb.dtsi')
-rw-r--r-- | arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi index 1cb8e7e0d0da..32ef82321340 100644 --- a/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi @@ -363,6 +363,7 @@ "emmc_cmd", "emmc_clk"; function = "emmc"; + bias-disable; }; }; @@ -370,6 +371,7 @@ mux { groups = "emmc_ds"; function = "emmc"; + bias-disable; }; }; @@ -416,6 +418,7 @@ "sdcard_cmd", "sdcard_clk"; function = "sdcard"; + bias-disable; }; }; @@ -436,6 +439,7 @@ "sdio_cmd", "sdio_clk"; function = "sdio"; + bias-disable; }; }; |