diff mbox series

[v7,4/9] dt-bindings: gpio: Add gpio nodes for Actions S900 SoC

Message ID 20180404172258.7678-5-manivannan.sadhasivam@linaro.org
State New
Headers show
Series Add Actions Semi S900 pinctrl and gpio support | expand

Commit Message

'Manivannan Sadhasivam' April 4, 2018, 5:22 p.m. UTC 
Add gpio nodes for Actions Semi S900 SoC.

Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
---
 .../devicetree/bindings/gpio/actions,owl-gpio.txt  | 87 ++++++++++++++++++++++
 1 file changed, 87 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/gpio/actions,owl-gpio.txt

Comments

Rob Herring April 10, 2018, 1:53 p.m. UTC | #1 
On Wed, Apr 04, 2018 at 10:52:53PM +0530, Manivannan Sadhasivam wrote:
> Add gpio nodes for Actions Semi S900 SoC.
> 
> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
> ---
>  .../devicetree/bindings/gpio/actions,owl-gpio.txt  | 87 ++++++++++++++++++++++
>  1 file changed, 87 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/gpio/actions,owl-gpio.txt

Reviewed-by: Rob Herring <robh@kernel.org>
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Linus Walleij April 12, 2018, 9:01 a.m. UTC | #2 
On Wed, Apr 4, 2018 at 7:22 PM, Manivannan Sadhasivam
<manivannan.sadhasivam@linaro.org> wrote:

> Add gpio nodes for Actions Semi S900 SoC.
>
> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>

Renamed from "gpio nodes" to "gpio bindings" and applied
for v4.18 with Rob's ACK.

Yours,
Linus Walleij
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diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/gpio/actions,owl-gpio.txt b/Documentation/devicetree/bindings/gpio/actions,owl-gpio.txt
new file mode 100644
index 000000000000..34283e9195ea
--- /dev/null
+++ b/Documentation/devicetree/bindings/gpio/actions,owl-gpio.txt
@@ -0,0 +1,87 @@ 
+* Actions Semi OWL GPIO controller bindings
+
+The GPIOs are organized as individual banks/ports with variable number
+of GPIOs. Each bank is represented as an individual GPIO controller.
+
+Required properties:
+- compatible            : Should be "actions,s900-gpio"
+- reg                   : Address and range of the GPIO controller registers.
+- gpio-controller       : Marks the device node as a GPIO controller.
+- #gpio-cells           : Should be <2>. The first cell is the gpio number
+                          and the second cell is used to specify optional
+                          parameters.
+- ngpios                : Specifies the number of GPIO lines.
+- interrupt-controller  : Marks the device node as an interrupt controller.
+- #interrupt-cells      : Specifies the number of cells needed to encode an
+                          interrupt.  Shall be set to 2.  The first cell
+                          defines the interrupt number, the second encodes
+                          the trigger flags described in
+                          bindings/interrupt-controller/interrupts.txt
+
+Optional properties:
+- gpio-ranges           : Mapping between GPIO and pinctrl
+
+Examples:
+
+       gpioa: gpio@e01b0000 {
+               compatible = "actions,s900-gpio";
+               reg = <0x0 0xe01b0000 0x0 0x000c>;
+               gpio-controller;
+               #gpio-cells = <2>;
+               gpio-ranges = <&pinctrl 0 0 32>;
+               interrupt-controller;
+               #interrupt-cells = <2>;
+       };
+
+       gpiob: gpio@e01b000c {
+               compatible = "actions,s900-gpio";
+               reg = <0x0 0xe01b000c 0x0 0x000c>;
+               gpio-controller;
+               #gpio-cells = <2>;
+               gpio-ranges = <&pinctrl 0 32 32>;
+               interrupt-controller;
+               #interrupt-cells = <2>;
+       };
+
+       gpioc: gpio@e01b0018 {
+               compatible = "actions,s900-gpio";
+               reg = <0x0 0xe01b0018 0x0 0x000c>;
+               gpio-controller;
+               #gpio-cells = <2>;
+               gpio-ranges = <&pinctrl 0 64 12>;
+               ngpios = <12>;
+               interrupt-controller;
+               #interrupt-cells = <2>;
+       };
+
+       gpiod: gpio@e01b0024 {
+               compatible = "actions,s900-gpio";
+               reg = <0x0 0xe01b0024 0x0 0x000c>;
+               gpio-controller;
+               #gpio-cells = <2>;
+               gpio-ranges = <&pinctrl 0 76 30>;
+               ngpios = <30>;
+               interrupt-controller;
+               #interrupt-cells = <2>;
+       };
+
+       gpioe: gpio@e01b0030 {
+               compatible = "actions,s900-gpio";
+               reg = <0x0 0xe01b0030 0x0 0x000c>;
+               gpio-controller;
+               #gpio-cells = <2>;
+               gpio-ranges = <&pinctrl 0 106 32>;
+               interrupt-controller;
+               #interrupt-cells = <2>;
+       };
+
+       gpiof: gpio@e01b00f0 {
+               compatible = "actions,s900-gpio";
+               reg = <0x0 0xe01b00f0 0x0 0x000c>;
+               gpio-controller;
+               #gpio-cells = <2>;
+               gpio-ranges = <&pinctrl 0 138 8>;
+               ngpios = <8>;
+               interrupt-controller;
+               #interrupt-cells = <2>;
+       };