The PWM3 pinmux configuration conflicts with gpio 3.28. Introduce a regulator for mmc0 so that it conflicts with the pwm driver and fails gracefully. The kernel will then able to access mmc0 normally.
Signed-off-by: Alexandre Belloni <[email protected]> --- arch/arm/boot/dts/imx28-cfa10036.dts | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/arch/arm/boot/dts/imx28-cfa10036.dts b/arch/arm/boot/dts/imx28-cfa10036.dts index cabb6171a19d..cd5fab8efa76 100644 --- a/arch/arm/boot/dts/imx28-cfa10036.dts +++ b/arch/arm/boot/dts/imx28-cfa10036.dts @@ -53,6 +53,17 @@ fsl,pull-up = <MXS_PULL_DISABLE>; }; + mmc_pwr_cfa10036: mmc_pwr_cfa10036@0 { + reg = <0>; + fsl,pinmux-ids = < + 0x31c3 /* + MX28_PAD_PWM3__GPIO_3_28 */ + >; + fsl,drive-strength = <0>; + fsl,voltage = <1>; + fsl,pull-up = <0>; + }; + }; ssp0: ssp@80010000 { @@ -60,6 +71,7 @@ pinctrl-names = "default"; pinctrl-0 = <&mmc0_4bit_pins_a &mmc0_cd_cfg &mmc0_sck_cfg>; + vmmc-supply = <®_vddio_sd0>; bus-width = <4>; status = "okay"; }; @@ -114,4 +126,14 @@ default-state = "on"; }; }; + + reg_vddio_sd0: vddio-sd0 { + compatible = "regulator-fixed"; + pinctrl-names = "default"; + pinctrl-0 = <&mmc_pwr_cfa10036>; + regulator-name = "vddio-sd0"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + gpio = <&gpio3 28 0>; + }; }; -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
