This patch updates the DT bindings in exynos-adc.txt with the syscon phandle to the ADC nodes. Also removes the 2nd "reg" property, which used to carry the ADC_PHY regiser base from PMU. Signed-off-by: Naveen Krishna Chatradhi <ch.naveen@xxxxxxxxxxx> To: devicetree@xxxxxxxxxxxxxxx --- Changes since v1: rebased on top of Changwoo's v5 ADC patches for exynos3250 iio: adc: exynos_adc: Support Exynos3250 ADC and code clean https://lkml.org/lkml/2014/6/27/16 .../devicetree/bindings/iio/adc/exynos-adc.txt | 15 ++++++++++----- 1 file changed, 10 insertions(+), 5 deletions(-) diff --git a/Documentation/devicetree/bindings/iio/adc/exynos-adc.txt b/Documentation/devicetree/bindings/iio/adc/exynos-adc.txt index 0b0ed85..1634df3 100644 --- a/Documentation/devicetree/bindings/iio/adc/exynos-adc.txt +++ b/Documentation/devicetree/bindings/iio/adc/exynos-adc.txt @@ -1,10 +1,11 @@ Samsung Exynos Analog to Digital Converter bindings The devicetree bindings are for the new ADC driver written for -Exynos4 and upward SoCs from Samsung. +Exynos4 and Exynos5 series SoCs from Samsung. +Now supports Exynos3250 too. New driver handles the following -1. Supports ADC IF found on EXYNOS4412/EXYNOS5250 +1. Supports ADC IF found on Exynos3250/EXYNOS4412/EXYNOS5 series and future SoCs from Samsung 2. Add ADC driver under iio/adc framework 3. Also adds the Documentation for device tree bindings @@ -18,7 +19,7 @@ Required properties: for controllers compatible with ADC of Exynos3250. - reg: Contains ADC register address range (base address and - length) and the address of the phy enable register. + length) - interrupts: Contains the interrupt information for the timer. The format is being dependent on which interrupt controller the Samsung device uses. @@ -31,6 +32,8 @@ Required properties: - "sclk_adc" : ADC special clock (only for Exynos3250 and compatible ADC block) - vdd-supply VDD input supply. +- samsung,syscon-phandle Contains the PMU system controller node + (To access the ADC_PHY register) Note: child nodes can be added for auto probing from device tree. @@ -38,7 +41,7 @@ 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; @@ -47,13 +50,14 @@ 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-v2"; - reg = <0x126C0000 0x100>, <0x10020718 0x4>; + reg = <0x126C0000 0x100>; interrupts = <0 137 0>; #io-channel-cells = <1>; io-channel-ranges; @@ -62,6 +66,7 @@ adc: adc@126C0000 { clock-names = "adc", "sclk_adc"; vdd-supply = <&buck5_reg>; + samsung,syscon-phandle = <&pmu_system_controller>; }; Example: Adding child nodes in dts file -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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