diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0515-dt-bindings-clock-Add-a-binding-for-the-RPi-Firmware.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.4/950-0515-dt-bindings-clock-Add-a-binding-for-the-RPi-Firmware.patch | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0515-dt-bindings-clock-Add-a-binding-for-the-RPi-Firmware.patch b/target/linux/bcm27xx/patches-5.4/950-0515-dt-bindings-clock-Add-a-binding-for-the-RPi-Firmware.patch new file mode 100644 index 0000000000..f3587060d1 --- /dev/null +++ b/target/linux/bcm27xx/patches-5.4/950-0515-dt-bindings-clock-Add-a-binding-for-the-RPi-Firmware.patch @@ -0,0 +1,63 @@ +From 9d4360fc454056fffa9ca487270aca9179906f5d Mon Sep 17 00:00:00 2001 +From: Maxime Ripard <maxime@cerno.tech> +Date: Thu, 13 Feb 2020 17:51:09 +0100 +Subject: [PATCH] dt-bindings: clock: Add a binding for the RPi + Firmware clocks + +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> +--- + .../clock/raspberrypi,firmware-clocks.yaml | 39 +++++++++++++++++++ + 1 file changed, 39 insertions(+) + create mode 100644 Documentation/devicetree/bindings/clock/raspberrypi,firmware-clocks.yaml + +--- /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. ++ ++required: ++ - "#clock-cells" ++ - compatible ++ - raspberrypi,firmware ++ ++additionalProperties: false ++ ++examples: ++ - | ++ firmware_clocks: firmware-clocks { ++ compatible = "raspberrypi,firmware-clocks"; ++ raspberrypi,firmware = <&firmware>; ++ #clock-cells = <1>; ++ }; ++ ++... |