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..a4a692c --- /dev/null +++ b/include/dt-bindings/clock/qcom,dispcc-sc7280.h @@ -0,0 +1,55 @@ +/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */ +/* + * Copyright (c) 2021, The Linux Foundation. All rights reserved. + */ + +#ifndef _DT_BINDINGS_CLK_QCOM_DISP_CC_SC7280_H +#define _DT_BINDINGS_CLK_QCOM_DISP_CC_SC7280_H + +/* DISP_CC clocks */ +#define DISP_CC_PLL0 0 +#define DISP_CC_MDSS_AHB_CLK 1 +#define DISP_CC_MDSS_AHB_CLK_SRC 2 +#define DISP_CC_MDSS_BYTE0_CLK 3 +#define DISP_CC_MDSS_BYTE0_CLK_SRC 4 +#define DISP_CC_MDSS_BYTE0_DIV_CLK_SRC 5 +#define DISP_CC_MDSS_BYTE0_INTF_CLK 6 +#define DISP_CC_MDSS_DP_AUX_CLK 7 +#define DISP_CC_MDSS_DP_AUX_CLK_SRC 8 +#define DISP_CC_MDSS_DP_CRYPTO_CLK 9 +#define DISP_CC_MDSS_DP_CRYPTO_CLK_SRC 10 +#define DISP_CC_MDSS_DP_LINK_CLK 11 +#define DISP_CC_MDSS_DP_LINK_CLK_SRC 12 +#define DISP_CC_MDSS_DP_LINK_DIV_CLK_SRC 13 +#define DISP_CC_MDSS_DP_LINK_INTF_CLK 14 +#define DISP_CC_MDSS_DP_PIXEL_CLK 15 +#define DISP_CC_MDSS_DP_PIXEL_CLK_SRC 16 +#define DISP_CC_MDSS_EDP_AUX_CLK 17 +#define DISP_CC_MDSS_EDP_AUX_CLK_SRC 18 +#define DISP_CC_MDSS_EDP_LINK_CLK 19 +#define DISP_CC_MDSS_EDP_LINK_CLK_SRC 20 +#define DISP_CC_MDSS_EDP_LINK_DIV_CLK_SRC 21 +#define DISP_CC_MDSS_EDP_LINK_INTF_CLK 22 +#define DISP_CC_MDSS_EDP_PIXEL_CLK 23 +#define DISP_CC_MDSS_EDP_PIXEL_CLK_SRC 24 +#define DISP_CC_MDSS_ESC0_CLK 25 +#define DISP_CC_MDSS_ESC0_CLK_SRC 26 +#define DISP_CC_MDSS_MDP_CLK 27 +#define DISP_CC_MDSS_MDP_CLK_SRC 28 +#define DISP_CC_MDSS_MDP_LUT_CLK 29 +#define DISP_CC_MDSS_NON_GDSC_AHB_CLK 30 +#define DISP_CC_MDSS_PCLK0_CLK 31 +#define DISP_CC_MDSS_PCLK0_CLK_SRC 32 +#define DISP_CC_MDSS_ROT_CLK 33 +#define DISP_CC_MDSS_ROT_CLK_SRC 34 +#define DISP_CC_MDSS_RSCC_AHB_CLK 35 +#define DISP_CC_MDSS_RSCC_VSYNC_CLK 36 +#define DISP_CC_MDSS_VSYNC_CLK 37 +#define DISP_CC_MDSS_VSYNC_CLK_SRC 38 +#define DISP_CC_SLEEP_CLK 39 +#define DISP_CC_XO_CLK 40 + +/* DISP_CC power domains */ +#define DISP_CC_MDSS_CORE_GDSC 0 + +#endif -- Qualcomm INDIA, on behalf of Qualcomm Innovation Center, Inc.is a member of the Code Aurora Forum, hosted by the Linux Foundation.
