Re: [PATCH v1 1/6] dt-bindings: clock: Add SC7280 DISPCC clock binding
From: Rob Herring
Date: Thu Mar 25 2021 - 20:11:59 EST
On Wed, Mar 17, 2021 at 06:52:17AM +0530, Taniya Das wrote:
> Add device tree bindings for display clock controller subsystem for
> Qualcomm Technology Inc's SC7280 SoCs.
>
> Signed-off-by: Taniya Das <tdas@xxxxxxxxxxxxxx>
> ---
> .../bindings/clock/qcom,sc7280-dispcc.yaml | 94 ++++++++++++++++++++++
> include/dt-bindings/clock/qcom,dispcc-sc7280.h | 55 +++++++++++++
> 2 files changed, 149 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/clock/qcom,sc7280-dispcc.yaml
> create mode 100644 include/dt-bindings/clock/qcom,dispcc-sc7280.h
>
> diff --git a/Documentation/devicetree/bindings/clock/qcom,sc7280-dispcc.yaml b/Documentation/devicetree/bindings/clock/qcom,sc7280-dispcc.yaml
> new file mode 100644
> index 0000000..2178666
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/clock/qcom,sc7280-dispcc.yaml
> @@ -0,0 +1,94 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/clock/qcom,sc7280-dispcc.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Qualcomm Display Clock & Reset Controller Binding for SC7280
> +
> +maintainers:
> + - Taniya Das <tdas@xxxxxxxxxxxxxx>
> +
> +description: |
> + Qualcomm display clock control module which supports the clocks, resets and
> + power domains on SC7280.
> +
> + See also dt-bindings/clock/qcom,dispcc-sc7280.h.
> +
> +properties:
> + compatible:
> + const: qcom,sc7280-dispcc
> +
> + clocks:
> + items:
> + - description: Board XO source
> + - description: GPLL0 source from GCC
> + - description: Byte clock from DSI PHY
> + - description: Pixel clock from DSI PHY
> + - description: Link clock from DP PHY
> + - description: VCO DIV clock from DP PHY
> + - description: Link clock from EDP PHY
> + - description: VCO DIV clock from EDP PHY
> +
> + clock-names:
> + items:
> + - const: bi_tcxo
> + - const: gcc_disp_gpll0_clk
> + - const: dsi0_phy_pll_out_byteclk
> + - const: dsi0_phy_pll_out_dsiclk
> + - const: dp_phy_pll_link_clk
> + - const: dp_phy_pll_vco_div_clk
> + - const: edp_phy_pll_link_clk
> + - const: edp_phy_pll_vco_div_clk
> +
> + '#clock-cells':
> + const: 1
> +
> + '#reset-cells':
> + const: 1
> +
> + '#power-domain-cells':
> + const: 1
> +
> + reg:
> + maxItems: 1
> +
> +required:
> + - compatible
> + - reg
> + - clocks
> + - clock-names
> + - '#clock-cells'
> + - '#reset-cells'
> + - '#power-domain-cells'
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + #include <dt-bindings/clock/qcom,gcc-sc7280.h>
> + #include <dt-bindings/clock/qcom,rpmh.h>
> + clock-controller@af00000 {
> + compatible = "qcom,sc7280-dispcc";
> + reg = <0x0af00000 0x200000>;
> + clocks = <&rpmhcc RPMH_CXO_CLK>,
> + <&gcc GCC_DISP_GPLL0_CLK_SRC>,
> + <&dsi_phy 0>,
> + <&dsi_phy 1>,
> + <&dp_phy 0>,
> + <&dp_phy 1>,
> + <&edp_phy 0>,
> + <&edp_phy 1>;
> + clock-names = "bi_tcxo",
> + "gcc_disp_gpll0_clk",
> + "dsi0_phy_pll_out_byteclk",
> + "dsi0_phy_pll_out_dsiclk",
> + "dp_phy_pll_link_clk",
> + "dp_phy_pll_vco_div_clk",
> + "edp_phy_pll_link_clk",
> + "edp_phy_pll_vco_div_clk";
> + #clock-cells = <1>;
> + #reset-cells = <1>;
> + #power-domain-cells = <1>;
> + };
> +...
> diff --git a/include/dt-bindings/clock/qcom,dispcc-sc7280.h b/include/dt-bindings/clock/qcom,dispcc-sc7280.h
> new file mode 100644
> index 0000000..2074b30
> --- /dev/null
> +++ b/include/dt-bindings/clock/qcom,dispcc-sc7280.h
> @@ -0,0 +1,55 @@
> +/* SPDX-License-Identifier: GPL-2.0-only */
Dual license?
Rob