i2c: sun6i-p2wi: make bindings file name match the driver

If we use the "i2c-" prefix for the binding documentation file name,
then it should match the file name of the driver, if possible. It is
possible for this driver, so rename it.

Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>

diff --git a/Documentation/devicetree/bindings/i2c/i2c-sun6i-p2wi.txt b/Documentation/devicetree/bindings/i2c/i2c-sun6i-p2wi.txt
new file mode 100644 (file)
index 0000000..49df005
--- /dev/null
+++ b/Documentation/devicetree/bindings/i2c/i2c-sun6i-p2wi.txt
@@ -0,0 +1,41 @@
+
+* Allwinner P2WI (Push/Pull 2 Wire Interface) controller
+
+Required properties :
+
+ - reg             : Offset and length of the register set for the device.
+ - compatible      : Should one of the following:
+                     - "allwinner,sun6i-a31-p2wi"
+ - interrupts      : The interrupt line connected to the P2WI peripheral.
+ - clocks          : The gate clk connected to the P2WI peripheral.
+ - resets          : The reset line connected to the P2WI peripheral.
+
+Optional properties :
+
+ - clock-frequency : Desired P2WI bus clock frequency in Hz. If not set the
+default frequency is 100kHz
+
+A P2WI may contain one child node encoding a P2WI slave device.
+
+Slave device properties:
+  Required properties:
+   - reg           : the I2C slave address used during the initialization
+                     process to switch from I2C to P2WI mode
+
+Example:
+
+       p2wi@1f03400 {
+               compatible = "allwinner,sun6i-a31-p2wi";
+               reg = <0x01f03400 0x400>;
+               interrupts = <0 39 4>;
+               clocks = <&apb0_gates 3>;
+               clock-frequency = <6000000>;
+               resets = <&apb0_rst 3>;
+
+               axp221: pmic@68 {
+                       compatible = "x-powers,axp221";
+                       reg = <0x68>;
+
+                       /* ... */
+               };
+       };

diff --git a/Documentation/devicetree/bindings/i2c/i2c-sunxi-p2wi.txt b/Documentation/devicetree/bindings/i2c/i2c-sunxi-p2wi.txt
deleted file mode 100644 (file)
index 49df005..0000000
--- a/Documentation/devicetree/bindings/i2c/i2c-sunxi-p2wi.txt
+++ /dev/null
@@ -1,41 +0,0 @@
-
-* Allwinner P2WI (Push/Pull 2 Wire Interface) controller
-
-Required properties :
-
- - reg             : Offset and length of the register set for the device.
- - compatible      : Should one of the following:
-                     - "allwinner,sun6i-a31-p2wi"
- - interrupts      : The interrupt line connected to the P2WI peripheral.
- - clocks          : The gate clk connected to the P2WI peripheral.
- - resets          : The reset line connected to the P2WI peripheral.
-
-Optional properties :
-
- - clock-frequency : Desired P2WI bus clock frequency in Hz. If not set the
-default frequency is 100kHz
-
-A P2WI may contain one child node encoding a P2WI slave device.
-
-Slave device properties:
-  Required properties:
-   - reg           : the I2C slave address used during the initialization
-                     process to switch from I2C to P2WI mode
-
-Example:
-
-       p2wi@1f03400 {
-               compatible = "allwinner,sun6i-a31-p2wi";
-               reg = <0x01f03400 0x400>;
-               interrupts = <0 39 4>;
-               clocks = <&apb0_gates 3>;
-               clock-frequency = <6000000>;
-               resets = <&apb0_rst 3>;
-
-               axp221: pmic@68 {
-                       compatible = "x-powers,axp221";
-                       reg = <0x68>;
-
-                       /* ... */
-               };
-       };