On Wed, Apr 05, 2017 at 11:07:54AM +0100, Richard Fitzgerald wrote:
> This patch adds a driver for the internal LDO1 regulator on
> some Cirrus Logic Madera class codecs.
>
> Signed-off-by: Richard Fitzgerald <rf@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
> Signed-off-by: Charles Keepax <ckeepax@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
> ---
> .../devicetree/bindings/regulator/madera-ldo1.txt | 29 +++
cirrus-madera-ldo1.txt
Or perhaps a subdirectory. We should have done the same for arizona
bindings.
Same question as Mark. Should this share bindings with arizona? The
arizona one looks a bit strange, so not sure we'd want to just copy it.
> MAINTAINERS | 3 +
> drivers/regulator/Kconfig | 8 +
> drivers/regulator/Makefile | 1 +
> drivers/regulator/madera-ldo1.c | 198 +++++++++++++++++++++
> include/linux/regulator/madera-ldo1.h | 24 +++
> 6 files changed, 263 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/regulator/madera-ldo1.txt
> create mode 100644 drivers/regulator/madera-ldo1.c
> create mode 100644 include/linux/regulator/madera-ldo1.h
>
> diff --git a/Documentation/devicetree/bindings/regulator/madera-ldo1.txt b/Documentation/devicetree/bindings/regulator/madera-ldo1.txt
> new file mode 100644
> index 0000000..688f21d
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/regulator/madera-ldo1.txt
> @@ -0,0 +1,29 @@
> +Cirrus Logic Madera class audio codecs LDO1 regulator driver
> +
> +Only required if you are using the codec internal LDO1 regulator.
> +This is a subnode of the parent mfd node.
> +
> +See also the core bindings for the parent MFD driver:
> +See Documentation/devicetree/bindings/mfd/madera.txt
> +
> +Required properties:
> + - compatible : must be "cirrus,madera-ldo1"
> + - LDOVDD-supply : Power supply for the LDO1 regulator.
> +
> + - enable-gpio : GPIO to use to enable/disable the regulator.
enable-gpios
And define whether active high or low.
> + As defined in bindings/gpio.txt.
> +
> +Optional subnodes:
> + Standard regulator bindings as described in bindings/regulator/regulator.txt
> +
> +Example:
> +
> +codec: cs47l85@0 {
> + compatible = "cirrus,cs47l85";
> +
> + ldo1 {
> + compatible = "cirrus,madera-ldo1";
> + LDOVDD-supply = <&pmic_vdd1>;
> + enable-gpio = <&gpio 0>;
> + };
> +};
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