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Message-id: <1410857931-4980-3-git-send-email-ch.naveen@samsung.com>
Date: Tue, 16 Sep 2014 14:28:50 +0530
From: Naveen Krishna Chatradhi <ch.naveen@...sung.com>
To: linux-iio@...r.kernel.org, linux-samsung-soc@...r.kernel.org,
devicetree@...r.kernel.org
Cc: linux-kernel@...r.kernel.org, cw00.choi@...sung.com,
gregkh@...uxfoundation.org, naveenkrishna.ch@...il.com,
lars@...afoo.de, cpgs@...sung.com, grundler@...omium.org,
jic23@...nel.org
Subject: [PATCH v2 2/3] 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@...sung.com>
To: devicetree@...r.kernel.org
---
.../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@...10000 {
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@...10000 {
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@...C0000 {
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@...C0000 {
clock-names = "adc", "sclk";
vdd-supply = <&buck5_reg>;
+ samsung,syscon-phandle = <&pmu_system_controller>;
};
Example: Adding child nodes in dts file
--
1.7.9.5
--
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