Re: [PATCH v1 1/2] dt-bindings: clock: Add SC7280 GCC clock binding

From: Stephen Boyd
Date: Tue Jan 12 2021 - 17:00:37 EST


Quoting Taniya Das (2020-12-15 10:48:33)
> diff --git a/Documentation/devicetree/bindings/clock/qcom,gcc-sc7280.yaml b/Documentation/devicetree/bindings/clock/qcom,gcc-sc7280.yaml
> new file mode 100644
> index 0000000..79c64d8
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/clock/qcom,gcc-sc7280.yaml
> @@ -0,0 +1,85 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/clock/qcom,gcc-sc7280.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Qualcomm Global Clock & Reset Controller Binding for SC7280
> +
> +maintainers:
> + - Taniya Das <tdas@xxxxxxxxxxxxxx>
> +
> +description: |
> + Qualcomm global clock control module which supports the clocks, resets and
> + power domains on SC7280.
> +
> + See also:
> + - dt-bindings/clock/qcom,gcc-sc7280.h
> +
> +properties:
> + compatible:
> + const: qcom,gcc-sc7280
> +
> + clocks:
> + items:
> + - description: Board XO source
> + - description: Board active XO source
> + - description: Sleep clock source
> + - description: PCIE-0 pipe clock source
> + - description: PCIE-1 pipe clock source
> + - description: USB30 phy wrapper pipe clock source
> +
> + clock-names:
> + items:
> + - const: bi_tcxo
> + - const: bi_tcxo_ao
> + - const: sleep_clk
> + - const: pcie_0_pipe_clk
> + - const: pcie_1_pipe_clk
> + - const: usb3_phy_wrapper_gcc_usb30_pipe_clk

Don't ufs phy clks also go into gcc?

> +
> + '#clock-cells':
> + const: 1
> +
> + '#reset-cells':
> + const: 1
> +
> + '#power-domain-cells':
> + const: 1
> +
> + reg:
> + maxItems: 1
> +
> + protected-clocks:
> + description:
> + Protected clock specifier list as per common clock binding.

I suppose this is fine.

> +
> +required:
> + - compatible
> + - clocks
> + - clock-names
> + - reg
> + - '#clock-cells'
> + - '#reset-cells'
> + - '#power-domain-cells'
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + #include <dt-bindings/clock/qcom,rpmh.h>
> + clock-controller@100000 {
> + compatible = "qcom,gcc-sc7280";
> + reg = <0x00100000 0x1f0000>;
> + clocks = <&rpmhcc RPMH_CXO_CLK>,
> + <&rpmhcc RPMH_CXO_CLK_A>,
> + <&sleep_clk>,
> + <&pcie_0_pipe_clk>, <&pcie_1_pipe_clk>,
> + <&usb3_phy_wrapper_gcc_usb30_pipe_clk>;
> + clock-names = "bi_tcxo", "bi_tcxo_ao", "sleep_clk", "pcie_0_pipe_clk",
> + "pcie_1_pipe_clk", "usb3_phy_wrapper_gcc_usb30_pipe_clk";
> + #clock-cells = <1>;
> + #reset-cells = <1>;
> + #power-domain-cells = <1>;
> + };
> +...