On Mon, Feb 24, 2020 at 10:06:08AM +0100, Maxime Ripard wrote:
The firmare running on the RPi VideoCore can be used to discover and change the various clocks running in the BCM2711. Since devices will need to use them through the DT, let's add a pretty simple binding.
Cc: Michael Turquette mturquette@baylibre.com Cc: Stephen Boyd sboyd@kernel.org Cc: Rob Herring robh+dt@kernel.org Cc: linux-clk@vger.kernel.org Cc: devicetree@vger.kernel.org Signed-off-by: Maxime Ripard maxime@cerno.tech
Documentation/devicetree/bindings/clock/raspberrypi,firmware-clocks.yaml | 39 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 Documentation/devicetree/bindings/clock/raspberrypi,firmware-clocks.yaml
diff --git a/Documentation/devicetree/bindings/clock/raspberrypi,firmware-clocks.yaml b/Documentation/devicetree/bindings/clock/raspberrypi,firmware-clocks.yaml new file mode 100644 index 000000000000..d37bc311321d --- /dev/null +++ b/Documentation/devicetree/bindings/clock/raspberrypi,firmware-clocks.yaml @@ -0,0 +1,39 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/clock/raspberrypi,firmware-clocks.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml#
+title: RaspberryPi Firmware Clocks Device Tree Bindings
+maintainers:
- Maxime Ripard mripard@kernel.org
+properties:
- "#clock-cells":
- const: 1
- compatible:
- const: raspberrypi,firmware-clocks
- raspberrypi,firmware:
- $ref: /schemas/types.yaml#/definitions/phandle
- description: >
Phandle to the mailbox node to communicate with the firmware.
Can't this be a child node of the phandle instead? Or just add '#clock-cells' to the firmware node.
+required:
- "#clock-cells"
- compatible
- raspberrypi,firmware
+additionalProperties: false
+examples:
- |
- firmware_clocks: firmware-clocks {
compatible = "raspberrypi,firmware-clocks";raspberrypi,firmware = <&firmware>;#clock-cells = <1>;- };
+...
git-series 0.9.1
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