Add device tree bindings for the display clock controller on Qualcomm SM4450 platform. Signed-off-by: Ajit Pandey <quic_ajipan@xxxxxxxxxxx> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> --- .../bindings/clock/qcom,sm4450-dispcc.yaml | 71 +++++++++++++++++++ .../dt-bindings/clock/qcom,sm4450-dispcc.h | 51 +++++++++++++ 2 files changed, 122 insertions(+) create mode 100644 Documentation/devicetree/bindings/clock/qcom,sm4450-dispcc.yaml create mode 100644 include/dt-bindings/clock/qcom,sm4450-dispcc.h diff --git a/Documentation/devicetree/bindings/clock/qcom,sm4450-dispcc.yaml b/Documentation/devicetree/bindings/clock/qcom,sm4450-dispcc.yaml new file mode 100644 index 000000000000..2aa05353eff1 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/qcom,sm4450-dispcc.yaml @@ -0,0 +1,71 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/clock/qcom,sm4450-dispcc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm Display Clock & Reset Controller on SM4450 + +maintainers: + - Ajit Pandey <quic_ajipan@xxxxxxxxxxx> + - Taniya Das <quic_tdas@xxxxxxxxxxx> + +description: | + Qualcomm display clock control module provides the clocks, resets and power + domains on SM4450 + + See also:: include/dt-bindings/clock/qcom,sm4450-dispcc.h + +properties: + compatible: + const: qcom,sm4450-dispcc + + reg: + maxItems: 1 + + clocks: + items: + - description: Board XO source + - description: Board active XO source + - description: Display AHB clock source from GCC + - description: sleep clock source + - description: Byte clock from DSI PHY0 + - description: Pixel clock from DSI PHY0 + + '#clock-cells': + const: 1 + + '#reset-cells': + const: 1 + + '#power-domain-cells': + const: 1 + +required: + - compatible + - reg + - clocks + - '#clock-cells' + - '#reset-cells' + - '#power-domain-cells' + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/qcom,rpmh.h> + #include <dt-bindings/clock/qcom,sm4450-gcc.h> + clock-controller@af00000 { + compatible = "qcom,sm4450-dispcc"; + reg = <0x0af00000 0x20000>; + clocks = <&rpmhcc RPMH_CXO_CLK>, + <&rpmhcc RPMH_CXO_CLK_A>, + <&gcc GCC_DISP_AHB_CLK>, + <&sleep_clk>, + <&dsi0_phy_pll_out_byteclk>, + <&dsi0_phy_pll_out_dsiclk>; + #clock-cells = <1>; + #reset-cells = <1>; + #power-domain-cells = <1>; + }; +... diff --git a/include/dt-bindings/clock/qcom,sm4450-dispcc.h b/include/dt-bindings/clock/qcom,sm4450-dispcc.h new file mode 100644 index 000000000000..ca6f2ef90157 --- /dev/null +++ b/include/dt-bindings/clock/qcom,sm4450-dispcc.h @@ -0,0 +1,51 @@ +/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */ +/* + * Copyright (c) 2024, Qualcomm Innovation Center, Inc. All rights reserved. + */ + +#ifndef _DT_BINDINGS_CLK_QCOM_DISP_CC_SM4450_H +#define _DT_BINDINGS_CLK_QCOM_DISP_CC_SM4450_H + +/* DISP_CC clocks */ +#define DISP_CC_MDSS_AHB1_CLK 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_ESC0_CLK 7 +#define DISP_CC_MDSS_ESC0_CLK_SRC 8 +#define DISP_CC_MDSS_MDP1_CLK 9 +#define DISP_CC_MDSS_MDP_CLK 10 +#define DISP_CC_MDSS_MDP_CLK_SRC 11 +#define DISP_CC_MDSS_MDP_LUT1_CLK 12 +#define DISP_CC_MDSS_MDP_LUT_CLK 13 +#define DISP_CC_MDSS_NON_GDSC_AHB_CLK 14 +#define DISP_CC_MDSS_PCLK0_CLK 15 +#define DISP_CC_MDSS_PCLK0_CLK_SRC 16 +#define DISP_CC_MDSS_ROT1_CLK 17 +#define DISP_CC_MDSS_ROT_CLK 18 +#define DISP_CC_MDSS_ROT_CLK_SRC 19 +#define DISP_CC_MDSS_RSCC_AHB_CLK 20 +#define DISP_CC_MDSS_RSCC_VSYNC_CLK 21 +#define DISP_CC_MDSS_VSYNC1_CLK 22 +#define DISP_CC_MDSS_VSYNC_CLK 23 +#define DISP_CC_MDSS_VSYNC_CLK_SRC 24 +#define DISP_CC_PLL0 25 +#define DISP_CC_PLL1 26 +#define DISP_CC_SLEEP_CLK 27 +#define DISP_CC_SLEEP_CLK_SRC 28 +#define DISP_CC_XO_CLK 29 +#define DISP_CC_XO_CLK_SRC 30 + +/* DISP_CC power domains */ +#define DISP_CC_MDSS_CORE_GDSC 0 +#define DISP_CC_MDSS_CORE_INT2_GDSC 1 + +/* DISP_CC resets */ +#define DISP_CC_MDSS_CORE_BCR 0 +#define DISP_CC_MDSS_CORE_INT2_BCR 1 +#define DISP_CC_MDSS_RSCC_BCR 2 + +#endif -- 2.25.1
