linux-kernel - [PATCH v6 1/6] dt-bindings: i2c: Add binding for Actions Semiconductor Owl I2C controller

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Date:   Mon, 23 Jul 2018 09:10:20 +0530
From:   Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
To:     wsa@...-dreams.de, robh+dt@...nel.org, afaerber@...e.de
Cc:     linus.walleij@...aro.org, linux-i2c@...r.kernel.org,
        liuwei@...ions-semi.com, mp-cs@...ions-semi.com,
        96boards@...obotics.com, devicetree@...r.kernel.org,
        andy.shevchenko@...il.com, daniel.thompson@...aro.org,
        amit.kucheria@...aro.org, linux-arm-kernel@...ts.infradead.org,
        linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org,
        hzhang@...obotics.com, bdong@...obotics.com,
        manivannanece23@...il.com, thomas.liau@...ions-semi.com,
        jeff.chen@...ions-semi.com,
        Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Subject: [PATCH v6 1/6] dt-bindings: i2c: Add binding for Actions Semiconductor Owl I2C controller

Add devicetree binding for Actions Semiconductor Owl I2C controller

Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Reviewed-by: Rob Herring <robh@...nel.org>
---
 .../devicetree/bindings/i2c/i2c-owl.txt       | 27 +++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/i2c/i2c-owl.txt

diff --git a/Documentation/devicetree/bindings/i2c/i2c-owl.txt b/Documentation/devicetree/bindings/i2c/i2c-owl.txt
new file mode 100644
index 000000000000..b743fe444e9f
--- /dev/null
+++ b/Documentation/devicetree/bindings/i2c/i2c-owl.txt
@@ -0,0 +1,27 @@
+Actions Semiconductor Owl I2C controller
+
+Required properties:
+
+- compatible        : Should be "actions,s900-i2c".
+- reg               : Offset and length of the register set for the device.
+- #address-cells    : Should be 1.
+- #size-cells       : Should be 0.
+- interrupts        : A single interrupt specifier.
+- clocks            : Phandle of the clock feeding the I2C controller.
+
+Optional properties:
+
+- clock-frequency   : Desired I2C bus clock frequency in Hz. As only Normal and
+                      Fast modes are supported, possible values are 100000 and
+                      400000.
+Examples:
+
+        i2c0: i2c@...70000 {
+                compatible = "actions,s900-i2c";
+                reg = <0 0xe0170000 0 0x1000>;
+                #address-cells = <1>;
+                #size-cells = <0>;
+                interrupts = <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>;
+                clocks = <&clock CLK_I2C0>;
+                clock-frequency = <100000>;
+        };
-- 
2.17.1