This patch add DT binding documentation for Exynos3250 ADC IP. Exynos3250 has special clock ('sclk_tsadc') for ADC which provide clock to internal ADC. Cc: Rob Herring <robh+dt@xxxxxxxxxx> Cc: Pawel Moll <pawel.moll@xxxxxxx> Cc: Mark Rutland <mark.rutland@xxxxxxx> Cc: Ian Campbell <ijc+devicetree@xxxxxxxxxxxxxx> Cc: Kumar Gala <galak@xxxxxxxxxxxxxx> Cc: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> Cc: Kukjin Kim <kgene.kim@xxxxxxxxxxx> Cc: Naveen Krishna Chatradhi <ch.naveen@xxxxxxxxxxx> Cc: Tomasz Figa <t.figa@xxxxxxxxxxx> Signed-off-by: Chanwoo Choi <cw00.choi@xxxxxxxxxxx> Acked-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx> --- .../devicetree/bindings/arm/samsung/exynos-adc.txt | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/Documentation/devicetree/bindings/arm/samsung/exynos-adc.txt b/Documentation/devicetree/bindings/arm/samsung/exynos-adc.txt index 5d49f2b..7532ec3 100644 --- a/Documentation/devicetree/bindings/arm/samsung/exynos-adc.txt +++ b/Documentation/devicetree/bindings/arm/samsung/exynos-adc.txt @@ -14,6 +14,8 @@ Required properties: for exynos4412/5250 controllers. Must be "samsung,exynos-adc-v2" for future controllers. + Must be "samsung,exynos-adc-v3" for + for exynos3250 controllers. - reg: Contains ADC register address range (base address and length) and the address of the phy enable register. - interrupts: Contains the interrupt information for the timer. The @@ -21,7 +23,11 @@ Required properties: the Samsung device uses. - #io-channel-cells = <1>; As ADC has multiple outputs - clocks From common clock binding: handle to adc clock. + From common clock binding: handle to sclk_tsadc clock + if using Exynos3250. - clock-names From common clock binding: Shall be "adc". + From common clock binding: Shall be "sclk_tsadc" + if using Exynos3250. - vdd-supply VDD input supply. Note: child nodes can be added for auto probing from device tree. @@ -41,6 +47,20 @@ adc: adc@12D10000 { vdd-supply = <&buck5_reg>; }; +If Exynos3250 uses ADC, +adc: adc@126C0000 { + compatible = "samsung,exynos-adc-v3"; + reg = <0x126C0000 0x100>, <0x10020718 0x4>; + interrupts = <0 137 0>; + #io-channel-cells = <1>; + io-channel-ranges; + + clock-names = "adc", "sclk_tsadc"; + clocks = <&cmu CLK_TSADC>, <&cmu CLK_SCLK_TSADC>; + + vdd-supply = <&buck5_reg>; +}; + Example: Adding child nodes in dts file -- 1.8.0 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html