diff options
| author | Lee Jones <lee.jones@linaro.org> | 2012-10-24 12:18:14 +0200 |
|---|---|---|
| committer | Lee Jones <lee.jones@linaro.org> | 2012-11-01 13:02:25 +0100 |
| commit | 0563f638f052185ea45441b5e7ec06a90e4e7837 (patch) | |
| tree | 6fb56a162ed726f62abf1b35e7e49d5a5e77c066 /arch/arm/boot/dts/dbx5x0.dtsi | |
| parent | ARM: ux500: List DT compatibility using platform names rather than by board (diff) | |
| download | linux-0563f638f052185ea45441b5e7ec06a90e4e7837.tar.xz linux-0563f638f052185ea45441b5e7ec06a90e4e7837.zip | |
ARM: ux500: Add node for the MMC GPIO regulator
There is a very simple mechanism to change and SDI's voltage which
consists of toggling some GPIOs. This scenario can be better handled
if we convert it to a GPIO regulator. This patch provides one which
can be read from Device Tree.
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Diffstat (limited to 'arch/arm/boot/dts/dbx5x0.dtsi')
| -rw-r--r-- | arch/arm/boot/dts/dbx5x0.dtsi | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/dbx5x0.dtsi b/arch/arm/boot/dts/dbx5x0.dtsi index 3b4298bc0bf9..7ce45fc461fb 100644 --- a/arch/arm/boot/dts/dbx5x0.dtsi +++ b/arch/arm/boot/dts/dbx5x0.dtsi @@ -629,5 +629,19 @@ ranges = <0 0x50000000 0x4000000>; status = "disabled"; }; + + vmmci: regulator-gpio { + compatible = "regulator-gpio"; + + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <2600000>; + regulator-name = "mmci-reg"; + regulator-type = "voltage"; + + gpios = <&tc3589x_gpio 18 0x4>; + gpio-enable = <&tc3589x_gpio 17 0x4>; + states = <1800000 0x1 + 2900000 0x0>; + }; }; }; |