On 16/09/14 09:58, Naveen Krishna Chatradhi wrote:
> This patch updates the DT bindings for ADC in exynos-adc.txt with the
> syscon phandle to the ADC nodes.
>
> Signed-off-by: Naveen Krishna Chatradhi <ch.naveen@xxxxxxxxxxx>
> To: devicetree@xxxxxxxxxxxxxxx
Applied to the togreg branch of iio.git - initially pushed out as testing.
Thanks,
> ---
> .../devicetree/bindings/arm/samsung/exynos-adc.txt | 9 +++++++--
> 1 file changed, 7 insertions(+), 2 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/arm/samsung/exynos-adc.txt b/Documentation/devicetree/bindings/arm/samsung/exynos-adc.txt
> index 709efaa..c368210 100644
> --- a/Documentation/devicetree/bindings/arm/samsung/exynos-adc.txt
> +++ b/Documentation/devicetree/bindings/arm/samsung/exynos-adc.txt
> @@ -43,13 +43,16 @@ Required properties:
> compatible ADC block)
> - vdd-supply VDD input supply.
>
> +- samsung,syscon-phandle Contains the PMU system controller node
> + (To access the ADC_PHY register on Exynos5250/5420/5800/3250)
> +
> Note: child nodes can be added for auto probing from device tree.
>
> Example: adding device info in dtsi file
>
> adc: adc@12D10000 {
> compatible = "samsung,exynos-adc-v1";
> - reg = <0x12D10000 0x100>, <0x10040718 0x4>;
> + reg = <0x12D10000 0x100>;
> interrupts = <0 106 0>;
> #io-channel-cells = <1>;
> io-channel-ranges;
> @@ -58,13 +61,14 @@ adc: adc@12D10000 {
> clock-names = "adc";
>
> vdd-supply = <&buck5_reg>;
> + samsung,syscon-phandle = <&pmu_system_controller>;
> };
>
> Example: adding device info in dtsi file for Exynos3250 with additional sclk
>
> adc: adc@126C0000 {
> compatible = "samsung,exynos3250-adc", "samsung,exynos-adc-v2;
> - reg = <0x126C0000 0x100>, <0x10020718 0x4>;
> + reg = <0x126C0000 0x100>;
> interrupts = <0 137 0>;
> #io-channel-cells = <1>;
> io-channel-ranges;
> @@ -73,6 +77,7 @@ adc: adc@126C0000 {
> clock-names = "adc", "sclk";
>
> vdd-supply = <&buck5_reg>;
> + samsung,syscon-phandle = <&pmu_system_controller>;
> };
>
> Example: Adding child nodes in dts file
>
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