dt-bindings: clock: Add SC7280 DISPCC clock binding

Add device tree bindings for display clock controller subsystem for
Qualcomm Technology Inc's SC7280 SoCs.

Signed-off-by: Taniya Das <tdas@codeaurora.org>
Link: https://lore.kernel.org/r/1626189143-12957-3-git-send-email-tdas@codeaurora.org
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
This commit is contained in:
Taniya Das 2021-07-13 20:42:18 +05:30 committed by Stephen Boyd
parent 8bde9dd381
commit ced3aaead0
2 changed files with 149 additions and 0 deletions

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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,sc7280-dispcc.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Qualcomm Display Clock & Reset Controller Binding for SC7280
maintainers:
- Taniya Das <tdas@codeaurora.org>
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>;
};
...

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/* 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