From 6df4426245be87148d6aa75859951cb6351eb24c Mon Sep 17 00:00:00 2001 From: John Crispin Date: Thu, 10 Dec 2015 19:06:32 +0000 Subject: ralink: bump to the target to v4.3 Signed-off-by: John Crispin SVN-Revision: 47831 --- ...0026-DT-Add-documentation-for-gpio-ralink.patch | 65 ++++++++++++++++++++++ 1 file changed, 65 insertions(+) create mode 100644 target/linux/ramips/patches-4.3/0026-DT-Add-documentation-for-gpio-ralink.patch (limited to 'target/linux/ramips/patches-4.3/0026-DT-Add-documentation-for-gpio-ralink.patch') diff --git a/target/linux/ramips/patches-4.3/0026-DT-Add-documentation-for-gpio-ralink.patch b/target/linux/ramips/patches-4.3/0026-DT-Add-documentation-for-gpio-ralink.patch new file mode 100644 index 0000000000..f6b60e90af --- /dev/null +++ b/target/linux/ramips/patches-4.3/0026-DT-Add-documentation-for-gpio-ralink.patch @@ -0,0 +1,65 @@ +From d410e5478c622c01fcf31427533df5f433df9146 Mon Sep 17 00:00:00 2001 +From: John Crispin +Date: Sun, 28 Jul 2013 19:45:30 +0200 +Subject: [PATCH 26/53] DT: Add documentation for gpio-ralink + +Describe gpio-ralink binding. + +Signed-off-by: John Crispin +Cc: linux-mips@linux-mips.org +Cc: devicetree@vger.kernel.org +Cc: linux-gpio@vger.kernel.org +--- + .../devicetree/bindings/gpio/gpio-ralink.txt | 40 ++++++++++++++++++++ + 1 file changed, 40 insertions(+) + create mode 100644 Documentation/devicetree/bindings/gpio/gpio-ralink.txt + +diff --git a/Documentation/devicetree/bindings/gpio/gpio-ralink.txt b/Documentation/devicetree/bindings/gpio/gpio-ralink.txt +new file mode 100644 +index 0000000..b4acf02 +--- /dev/null ++++ b/Documentation/devicetree/bindings/gpio/gpio-ralink.txt +@@ -0,0 +1,40 @@ ++Ralink SoC GPIO controller bindings ++ ++Required properties: ++- compatible: ++ - "ralink,rt2880-gpio" for Ralink controllers ++- #gpio-cells : Should be two. ++ - first cell is the pin number ++ - second cell is used to specify optional parameters (unused) ++- gpio-controller : Marks the device node as a GPIO controller ++- reg : Physical base address and length of the controller's registers ++- interrupt-parent: phandle to the INTC device node ++- interrupts : Specify the INTC interrupt number ++- ralink,num-gpios : Specify the number of GPIOs ++- ralink,register-map : The register layout depends on the GPIO bank and actual ++ SoC type. Register offsets need to be in this order. ++ [ INT, EDGE, RENA, FENA, DATA, DIR, POL, SET, RESET, TOGGLE ] ++ ++Optional properties: ++- ralink,gpio-base : Specify the GPIO chips base number ++ ++Example: ++ ++ gpio0: gpio@600 { ++ compatible = "ralink,rt5350-gpio", "ralink,rt2880-gpio"; ++ ++ #gpio-cells = <2>; ++ gpio-controller; ++ ++ reg = <0x600 0x34>; ++ ++ interrupt-parent = <&intc>; ++ interrupts = <6>; ++ ++ ralink,gpio-base = <0>; ++ ralink,num-gpios = <24>; ++ ralink,register-map = [ 00 04 08 0c ++ 20 24 28 2c ++ 30 34 ]; ++ ++ }; +-- +1.7.10.4 + -- cgit v1.2.3