Commit 85cedb4e authored by Loic Poulain's avatar Loic Poulain Committed by Bjorn Andersson
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dt-bindings: clock: Add qualcomm QCM2290 DISPCC bindings



Add device tree bindings for display clock controller on QCM2290 SoCs.

Signed-off-by: default avatarLoic Poulain <loic.poulain@linaro.org>
Reviewed-by: default avatarBjorn Andersson <bjorn.andersson@linaro.org>
Reviewed-by: default avatarRob Herring <robh@kernel.org>
Signed-off-by: default avatarBjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/1644432308-21099-1-git-send-email-loic.poulain@linaro.org
parent bf8f5182
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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/clock/qcom,qcm2290-dispcc.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Qualcomm Display Clock & Reset Controller Binding for qcm2290

maintainers:
  - Loic Poulain <loic.poulain@linaro.org>

description: |
  Qualcomm display clock control module which supports the clocks, resets and
  power domains on qcm2290.

  See also dt-bindings/clock/qcom,dispcc-qcm2290.h.

properties:
  compatible:
    const: qcom,qcm2290-dispcc

  clocks:
    items:
      - description: Board XO source
      - description: Board active-only XO source
      - description: GPLL0 source from GCC
      - description: GPLL0 div source from GCC
      - description: Byte clock from DSI PHY
      - description: Pixel clock from DSI PHY

  clock-names:
    items:
      - const: bi_tcxo
      - const: bi_tcxo_ao
      - const: gcc_disp_gpll0_clk_src
      - const: gcc_disp_gpll0_div_clk_src
      - const: dsi0_phy_pll_out_byteclk
      - const: dsi0_phy_pll_out_dsiclk

  '#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,dispcc-qcm2290.h>
    #include <dt-bindings/clock/qcom,gcc-qcm2290.h>
    #include <dt-bindings/clock/qcom,rpmcc.h>
    clock-controller@5f00000 {
            compatible = "qcom,qcm2290-dispcc";
            reg = <0x5f00000 0x20000>;
            clocks = <&rpmcc RPM_SMD_XO_CLK_SRC>,
                     <&rpmcc RPM_SMD_XO_A_CLK_SRC>,
                     <&gcc GCC_DISP_GPLL0_CLK_SRC>,
                     <&gcc GCC_DISP_GPLL0_DIV_CLK_SRC>,
                     <&dsi0_phy 0>,
                     <&dsi0_phy 1>;
            clock-names = "bi_tcxo",
                          "bi_tcxo_ao",
                          "gcc_disp_gpll0_clk_src",
                          "gcc_disp_gpll0_div_clk_src",
                          "dsi0_phy_pll_out_byteclk",
                          "dsi0_phy_pll_out_dsiclk";
            #clock-cells = <1>;
            #reset-cells = <1>;
            #power-domain-cells = <1>;
    };
...
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/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
/*
 * Copyright (c) 2019, The Linux Foundation. All rights reserved.
 */

#ifndef _DT_BINDINGS_CLK_QCOM_DISP_CC_QCM2290_H
#define _DT_BINDINGS_CLK_QCOM_DISP_CC_QCM2290_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_ESC0_CLK			7
#define DISP_CC_MDSS_ESC0_CLK_SRC		8
#define DISP_CC_MDSS_MDP_CLK			9
#define DISP_CC_MDSS_MDP_CLK_SRC		10
#define DISP_CC_MDSS_MDP_LUT_CLK		11
#define DISP_CC_MDSS_NON_GDSC_AHB_CLK		12
#define DISP_CC_MDSS_PCLK0_CLK			13
#define DISP_CC_MDSS_PCLK0_CLK_SRC		14
#define DISP_CC_MDSS_VSYNC_CLK			15
#define DISP_CC_MDSS_VSYNC_CLK_SRC		16
#define DISP_CC_SLEEP_CLK			17
#define DISP_CC_SLEEP_CLK_SRC			18
#define DISP_CC_XO_CLK				19
#define DISP_CC_XO_CLK_SRC			20

#define MDSS_GDSC				0

#endif