diff options
| author | Ilya Lipnitskiy <ilya.lipnitskiy@gmail.com> | 2021-02-19 18:59:29 -0800 |
|---|---|---|
| committer | Adrian Schmutzler <freifunk@adrianschmutzler.de> | 2021-03-06 11:24:12 +0100 |
| commit | eda836e390af2e9f08618dde8e06af851e732a47 (patch) | |
| tree | 112baa14e8058067d164a92b81b279a10d1974ce /target/linux/ramips/patches-5.10/0026-DT-Add-documentation-for-gpio-ralink.patch | |
| parent | a9966793e81e1c0f48478ac42ea5bf284927c817 (diff) | |
| download | upstream-eda836e390af2e9f08618dde8e06af851e732a47.tar.gz upstream-eda836e390af2e9f08618dde8e06af851e732a47.tar.bz2 upstream-eda836e390af2e9f08618dde8e06af851e732a47.zip | |
ramips: 5.10: copy patches from 5.4
Strict copy, no changes made.
Signed-off-by: Ilya Lipnitskiy <ilya.lipnitskiy@gmail.com>
Diffstat (limited to 'target/linux/ramips/patches-5.10/0026-DT-Add-documentation-for-gpio-ralink.patch')
| -rw-r--r-- | target/linux/ramips/patches-5.10/0026-DT-Add-documentation-for-gpio-ralink.patch | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/target/linux/ramips/patches-5.10/0026-DT-Add-documentation-for-gpio-ralink.patch b/target/linux/ramips/patches-5.10/0026-DT-Add-documentation-for-gpio-ralink.patch new file mode 100644 index 0000000000..7d5f98f647 --- /dev/null +++ b/target/linux/ramips/patches-5.10/0026-DT-Add-documentation-for-gpio-ralink.patch @@ -0,0 +1,59 @@ +From d410e5478c622c01fcf31427533df5f433df9146 Mon Sep 17 00:00:00 2001 +From: John Crispin <blogic@openwrt.org> +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 <blogic@openwrt.org> +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 + +--- /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 ]; ++ ++ }; |