diff options
| author | Alexandre Belloni <alexandre.belloni@free-electrons.com> | 2014-05-15 19:12:48 +0400 |
|---|---|---|
| committer | Shawn Guo <shawn.guo@freescale.com> | 2014-07-18 12:49:32 +0400 |
| commit | a3f8c564825d08db7daa8b703271dad96c74a946 (patch) | |
| tree | 4b9a1fd77322ef089494f4888694d8d28855e4e5 /arch/arm/boot | |
| parent | 01d41c9cdb08e3652529810e531704d6a445b4ca (diff) | |
| download | linux-a3f8c564825d08db7daa8b703271dad96c74a946.tar.xz | |
ARM: dt: imx28-cfa10036: introduce a regulator for mmc0
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 <alexandre.belloni@free-electrons.com>
Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
Diffstat (limited to 'arch/arm/boot')
| -rw-r--r-- | arch/arm/boot/dts/imx28-cfa10036.dts | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/imx28-cfa10036.dts b/arch/arm/boot/dts/imx28-cfa10036.dts index ae7c3390e65a..b04b6b8850a7 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"; }; @@ -116,4 +128,14 @@ 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>; + }; }; |