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authorNaveen Krishna Chatradhi <ch.naveen@samsung.com>2014-09-16 10:58:00 +0200
committerJonathan Cameron <jic23@kernel.org>2014-11-05 16:30:16 +0100
commitb626c8f0d909be88534ab3d25dd9fbffcc884b47 (patch)
treede7a907f8dcba5a59637da14ff2aa61a6098a59d /Documentation/devicetree/bindings/arm/samsung/exynos-adc.txt
parentiio: exyno-adc: use syscon for PMU register access (diff)
downloadlinux-b626c8f0d909be88534ab3d25dd9fbffcc884b47.tar.xz
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Documentation: dt-bindings: update exynos-adc.txt with syscon handle
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@samsung.com> To: devicetree@vger.kernel.org Acked-by: Kukjin Kim <kgene.kim@samsung.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Diffstat (limited to 'Documentation/devicetree/bindings/arm/samsung/exynos-adc.txt')
-rw-r--r--Documentation/devicetree/bindings/arm/samsung/exynos-adc.txt9
1 files 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 709efaa30841..c36821095393 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