Commit d05a5804 authored by Jonathan Marek's avatar Jonathan Marek Committed by Stephen Boyd
Browse files

dt-bindings: clock: add QCOM SM8150 and SM8250 display clock bindings



Add device tree bindings for display clock controller for
Qualcomm Technology Inc's SM8150 and SM8250 SoCs.

Signed-off-by: default avatarJonathan Marek <jonathan@marek.ca>
Tested-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> (SM8250)
Link: https://lore.kernel.org/r/20200927190653.13876-2-jonathan@marek.ca


Reviewed-by: default avatarRob Herring <robh@kernel.org>
Signed-off-by: default avatarStephen Boyd <sboyd@kernel.org>
parent 0e94711a
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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,dispcc-sm8x50.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Qualcomm Display Clock & Reset Controller Binding for SM8150/SM8250

maintainers:
  - Jonathan Marek <jonathan@marek.ca>

description: |
  Qualcomm display clock control module which supports the clocks, resets and
  power domains on SM8150 and SM8250.

  See also:
    dt-bindings/clock/qcom,dispcc-sm8150.h
    dt-bindings/clock/qcom,dispcc-sm8250.h

properties:
  compatible:
    enum:
      - qcom,sm8150-dispcc
      - qcom,sm8250-dispcc

  clocks:
    items:
      - description: Board XO source
      - description: Byte clock from DSI PHY0
      - description: Pixel clock from DSI PHY0
      - description: Byte clock from DSI PHY1
      - description: Pixel clock from DSI PHY1
      - description: Link clock from DP PHY
      - description: VCO DIV clock from DP PHY

  clock-names:
    items:
      - const: bi_tcxo
      - const: dsi0_phy_pll_out_byteclk
      - const: dsi0_phy_pll_out_dsiclk
      - const: dsi1_phy_pll_out_byteclk
      - const: dsi1_phy_pll_out_dsiclk
      - const: dp_phy_pll_link_clk
      - const: dp_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,rpmh.h>
    clock-controller@af00000 {
      compatible = "qcom,sm8250-dispcc";
      reg = <0x0af00000 0x10000>;
      clocks = <&rpmhcc RPMH_CXO_CLK>,
               <&dsi0_phy 0>,
               <&dsi0_phy 1>,
               <&dsi1_phy 0>,
               <&dsi1_phy 1>,
               <&dp_phy 0>,
               <&dp_phy 1>;
      clock-names = "bi_tcxo",
                    "dsi0_phy_pll_out_byteclk",
                    "dsi0_phy_pll_out_dsiclk",
                    "dsi1_phy_pll_out_byteclk",
                    "dsi1_phy_pll_out_dsiclk",
                    "dp_phy_pll_link_clk",
                    "dp_phy_pll_vco_div_clk";
      #clock-cells = <1>;
      #reset-cells = <1>;
      #power-domain-cells = <1>;
    };
...
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qcom,dispcc-sm8250.h
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/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Copyright (c) 2018-2020, The Linux Foundation. All rights reserved.
 */

#ifndef _DT_BINDINGS_CLK_QCOM_DISP_CC_SM8250_H
#define _DT_BINDINGS_CLK_QCOM_DISP_CC_SM8250_H

/* DISP_CC clock registers */
#define DISP_CC_MDSS_AHB_CLK			0
#define DISP_CC_MDSS_AHB_CLK_SRC		1
#define DISP_CC_MDSS_BYTE0_CLK			2
#define DISP_CC_MDSS_BYTE0_CLK_SRC		3
#define DISP_CC_MDSS_BYTE0_DIV_CLK_SRC		4
#define DISP_CC_MDSS_BYTE0_INTF_CLK		5
#define DISP_CC_MDSS_BYTE1_CLK			6
#define DISP_CC_MDSS_BYTE1_CLK_SRC		7
#define DISP_CC_MDSS_BYTE1_DIV_CLK_SRC		8
#define DISP_CC_MDSS_BYTE1_INTF_CLK		9
#define DISP_CC_MDSS_DP_AUX1_CLK		10
#define DISP_CC_MDSS_DP_AUX1_CLK_SRC		11
#define DISP_CC_MDSS_DP_AUX_CLK			12
#define DISP_CC_MDSS_DP_AUX_CLK_SRC		13
#define DISP_CC_MDSS_DP_LINK1_CLK		14
#define DISP_CC_MDSS_DP_LINK1_CLK_SRC		15
#define DISP_CC_MDSS_DP_LINK1_DIV_CLK_SRC	16
#define DISP_CC_MDSS_DP_LINK1_INTF_CLK		17
#define DISP_CC_MDSS_DP_LINK_CLK		18
#define DISP_CC_MDSS_DP_LINK_CLK_SRC		19
#define DISP_CC_MDSS_DP_LINK_DIV_CLK_SRC	20
#define DISP_CC_MDSS_DP_LINK_INTF_CLK		21
#define DISP_CC_MDSS_DP_PIXEL1_CLK		22
#define DISP_CC_MDSS_DP_PIXEL1_CLK_SRC		23
#define DISP_CC_MDSS_DP_PIXEL2_CLK		24
#define DISP_CC_MDSS_DP_PIXEL2_CLK_SRC		25
#define DISP_CC_MDSS_DP_PIXEL_CLK		26
#define DISP_CC_MDSS_DP_PIXEL_CLK_SRC		27
#define DISP_CC_MDSS_ESC0_CLK			28
#define DISP_CC_MDSS_ESC0_CLK_SRC		29
#define DISP_CC_MDSS_ESC1_CLK			30
#define DISP_CC_MDSS_ESC1_CLK_SRC		31
#define DISP_CC_MDSS_MDP_CLK			32
#define DISP_CC_MDSS_MDP_CLK_SRC		33
#define DISP_CC_MDSS_MDP_LUT_CLK		34
#define DISP_CC_MDSS_NON_GDSC_AHB_CLK		35
#define DISP_CC_MDSS_PCLK0_CLK			36
#define DISP_CC_MDSS_PCLK0_CLK_SRC		37
#define DISP_CC_MDSS_PCLK1_CLK			38
#define DISP_CC_MDSS_PCLK1_CLK_SRC		39
#define DISP_CC_MDSS_ROT_CLK			40
#define DISP_CC_MDSS_ROT_CLK_SRC		41
#define DISP_CC_MDSS_RSCC_AHB_CLK		42
#define DISP_CC_MDSS_RSCC_VSYNC_CLK		43
#define DISP_CC_MDSS_VSYNC_CLK			44
#define DISP_CC_MDSS_VSYNC_CLK_SRC		45
#define DISP_CC_PLL0				46
#define DISP_CC_PLL1				47

/* DISP_CC Reset */
#define DISP_CC_MDSS_CORE_BCR			0
#define DISP_CC_MDSS_RSCC_BCR			1

/* DISP_CC GDSCR */
#define MDSS_GDSC				0

#endif