On Wednesday 07 of August 2013 14:40:12 Padmavathi Venna wrote:
> This patch adds i2c bus 1 and wm8994 codec node on i2c bus1 and the
> required regulator supplies and properties on smdk5420 board.
>
> Signed-off-by: Padmavathi Venna <[email protected]>
> ---
> arch/arm/boot/dts/exynos5420-smdk5420.dts | 58
> +++++++++++++++++++++++++++++ 1 files changed, 58 insertions(+), 0
> deletions(-)
>
> diff --git a/arch/arm/boot/dts/exynos5420-smdk5420.dts
> b/arch/arm/boot/dts/exynos5420-smdk5420.dts index d05de7a..e86c1ae
> 100644
> --- a/arch/arm/boot/dts/exynos5420-smdk5420.dts
> +++ b/arch/arm/boot/dts/exynos5420-smdk5420.dts
> @@ -68,4 +68,62 @@
> bus-width = <4>;
> };
> };
> +
> + avdd2: fixed-regulator@0 {
@ suffix should be present only if reg property is present as well.
Otherwise a suffix separated with "-" should be used, like fixed-
regulator-0.
> + compatible = "regulator-fixed";
> + regulator-name = "avdd2-supply";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-always-on;
> + };
> +
> + cpvdd: fixed-regulator@1 {
> + compatible = "regulator-fixed";
> + regulator-name = "cpvdd-supply";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-always-on;
> + };
> +
> + dbvdd: fixed-regulator@2 {
> + compatible = "regulator-fixed";
> + regulator-name = "dbvdd-supply";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-always-on;
> + };
> +
> + spkvdd: fixed-regulator@3 {
> + compatible = "regulator-fixed";
> + regulator-name = "spkvdd-supply";
> + regulator-min-microvolt = <5000000>;
> + regulator-max-microvolt = <5000000>;
> + regulator-always-on;
> + };
All these regulators should be made subnodes of a fixed-regulators node
aggregating all fixed regulators on the board, like on following example:
fixed-regulators {
avdd2: fixed-regulator-0 {
compatible = "regulator-fixed";
regulator-name = "avdd2-supply";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
};
cpvdd: fixed-regulator-1 {
compatible = "regulator-fixed";
regulator-name = "cpvdd-supply";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
};
/* ... */
};
Best regards,
Tomasz
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