Re: [PATCH 09/13] dt-bindings: gpio: add bindings for microchip mpfs gpio
From: Krzysztof Kozlowski <hidden>
Date: 2021-11-08 21:23:18
Also in:
linux-crypto, linux-gpio, linux-i2c, linux-riscv, linux-rtc, linux-spi, linux-usb, lkml
On 08/11/2021 16:05, conor.dooley@microchip.com wrote:
quoted hunk ↗ jump to hunk
From: Conor Dooley <conor.dooley@microchip.com> Add device tree bindings for the gpio controller on the Microchip PolarFire SoC. Signed-off-by: Conor Dooley <conor.dooley@microchip.com> --- .../bindings/gpio/microchip,mpfs-gpio.yaml | 108 ++++++++++++++++++ 1 file changed, 108 insertions(+) create mode 100644 Documentation/devicetree/bindings/gpio/microchip,mpfs-gpio.yamldiff --git a/Documentation/devicetree/bindings/gpio/microchip,mpfs-gpio.yaml b/Documentation/devicetree/bindings/gpio/microchip,mpfs-gpio.yaml new file mode 100644 index 000000000000..067019ddc1f7 --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/microchip,mpfs-gpio.yaml@@ -0,0 +1,108 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/gpio/microchip,mpfs-gpio.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Microchip MPFS GPIO Controller Device Tree Bindings + +maintainers: + - Conor Dooley <conor.dooley@microchip.com> + +description: | + This GPIO controller is found on the Microchip PolarFire SoC.
If "Microchip MPFS" means "Microchip PolarFire SoC", then this is duplicating the title. Similarly to your previous patches. Skip it then, there is no point to have descriptions which are obvious or duplicating existing information.
+
+properties:
+ compatible:
+ items:
+ - enum:
+ - microchip,mpfs-gpio
+ - microsemi,ms-pf-mss-gpio
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ description:
+ Interrupt mapping, one per GPIO. Maximum 32 GPIOs.
+ minItems: 1
+ maxItems: 32
+
+ interrupt-controller: true
+
+ clocks:
+ maxItems: 1
+
+ "#gpio-cells":
+ const: 2
+
+ ngpios:
+ description:
+ The number of GPIOs available.
+ minimum: 1
+ maximum: 32
+ default: 32
+
+ gpio-controller: true
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - "#interrupt-cells"
+ - "#gpio-cells"
+ - gpio-controller
+ - clocks
+
+additionalProperties: false
+
+examples:
+ - |
+ #include "dt-bindings/clock/microchip,mpfs-clock.h"
+ #include "dt-bindings/interrupt-controller/microchip,mpfs-plic.h"
+ soc {
+ #address-cells = <2>;
+ #size-cells = <2>;
+ gpio2: gpio@20122000 {
+ compatible = "microchip,mpfs-gpio";
+ reg = <0x0 0x20122000 0x0 0x1000>;
+ clocks = <&clkcfg CLK_GPIO2>;
+ interrupt-parent = <&plic>;
+ interrupts = <PLIC_INT_GPIO2_NON_DIRECT
+ PLIC_INT_GPIO2_NON_DIRECT
+ PLIC_INT_GPIO2_NON_DIRECT
+ PLIC_INT_GPIO2_NON_DIRECT
+ PLIC_INT_GPIO2_NON_DIRECT
+ PLIC_INT_GPIO2_NON_DIRECT
+ PLIC_INT_GPIO2_NON_DIRECT
+ PLIC_INT_GPIO2_NON_DIRECT
+ PLIC_INT_GPIO2_NON_DIRECT
+ PLIC_INT_GPIO2_NON_DIRECT
+ PLIC_INT_GPIO2_NON_DIRECT
+ PLIC_INT_GPIO2_NON_DIRECT
+ PLIC_INT_GPIO2_NON_DIRECT
+ PLIC_INT_GPIO2_NON_DIRECT
+ PLIC_INT_GPIO2_NON_DIRECT
+ PLIC_INT_GPIO2_NON_DIRECT
+ PLIC_INT_GPIO2_NON_DIRECT
+ PLIC_INT_GPIO2_NON_DIRECT
+ PLIC_INT_GPIO2_NON_DIRECT
+ PLIC_INT_GPIO2_NON_DIRECT
+ PLIC_INT_GPIO2_NON_DIRECT
+ PLIC_INT_GPIO2_NON_DIRECT
+ PLIC_INT_GPIO2_NON_DIRECT
+ PLIC_INT_GPIO2_NON_DIRECT
+ PLIC_INT_GPIO2_NON_DIRECT
+ PLIC_INT_GPIO2_NON_DIRECT
+ PLIC_INT_GPIO2_NON_DIRECT
+ PLIC_INT_GPIO2_NON_DIRECT
+ PLIC_INT_GPIO2_NON_DIRECT
+ PLIC_INT_GPIO2_NON_DIRECT
+ PLIC_INT_GPIO2_NON_DIRECT
+ PLIC_INT_GPIO2_NON_DIRECT>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ status = "disabled";Skip status=disabled.
+ }; + }; +...
Best regards, Krzysztof