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dt-bindings: clock: document SM8550 DISPCC clock controller

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Document device tree bindings for display clock controller for
Qualcomm SM8550 SoC.

Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230103-topic-sm8550-upstream-dispcc-v3-1-8a03d348c572@linaro.org
This commit is contained in:
Neil Armstrong 2023-01-09 16:47:21 +01:00 committed by Bjorn Andersson
parent 1b929c02af
commit 553f9bd455
2 changed files with 206 additions and 0 deletions
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105
Documentation/devicetree/bindings/clock/qcom,sm8550-dispcc.yaml Normal file
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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,sm8550-dispcc.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Qualcomm Display Clock & Reset Controller for SM8550
maintainers:
- Bjorn Andersson <andersson@kernel.org>
- Neil Armstrong <neil.armstrong@linaro.org>
description: |
Qualcomm display clock control module provides the clocks, resets and power
domains on SM8550.
See also:: include/dt-bindings/clock/qcom,sm8550-dispcc.h
properties:
compatible:
enum:
- qcom,sm8550-dispcc
clocks:
items:
- description: Board XO source
- description: Board Always On XO source
- description: Display's AHB clock
- description: sleep clock
- 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 PHY0
- description: VCO DIV clock from DP PHY0
- description: Link clock from DP PHY1
- description: VCO DIV clock from DP PHY1
- description: Link clock from DP PHY2
- description: VCO DIV clock from DP PHY2
- description: Link clock from DP PHY3
- description: VCO DIV clock from DP PHY3
'#clock-cells':
const: 1
'#reset-cells':
const: 1
'#power-domain-cells':
const: 1
reg:
maxItems: 1
power-domains:
description:
A phandle and PM domain specifier for the MMCX power domain.
maxItems: 1
required-opps:
description:
A phandle to an OPP node describing required MMCX performance point.
maxItems: 1
required:
- compatible
- reg
- clocks
- '#clock-cells'
- '#reset-cells'
- '#power-domain-cells'
additionalProperties: false
examples:
- |
#include <dt-bindings/clock/qcom,sm8550-gcc.h>
#include <dt-bindings/clock/qcom,rpmh.h>
#include <dt-bindings/power/qcom-rpmpd.h>
clock-controller@af00000 {
compatible = "qcom,sm8550-dispcc";
reg = <0x0af00000 0x10000>;
clocks = <&rpmhcc RPMH_CXO_CLK>,
<&rpmhcc RPMH_CXO_CLK_A>,
<&gcc GCC_DISP_AHB_CLK>,
<&sleep_clk>,
<&dsi0_phy 0>,
<&dsi0_phy 1>,
<&dsi1_phy 0>,
<&dsi1_phy 1>,
<&dp0_phy 0>,
<&dp0_phy 1>,
<&dp1_phy 0>,
<&dp1_phy 1>,
<&dp2_phy 0>,
<&dp2_phy 1>,
<&dp3_phy 0>,
<&dp3_phy 1>;
#clock-cells = <1>;
#reset-cells = <1>;
#power-domain-cells = <1>;
power-domains = <&rpmhpd SM8550_MMCX>;
required-opps = <&rpmhpd_opp_low_svs>;
};
...

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include/dt-bindings/clock/qcom,sm8550-dispcc.h Normal file
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/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
/*
* Copyright (c) 2022, The Linux Foundation. All rights reserved.
*/
#ifndef _DT_BINDINGS_CLK_QCOM_SM8550_DISP_CC_H
#define _DT_BINDINGS_CLK_QCOM_SM8550_DISP_CC_H
/* DISP_CC clocks */
#define DISP_CC_MDSS_ACCU_CLK 0
#define DISP_CC_MDSS_AHB1_CLK 1
#define DISP_CC_MDSS_AHB_CLK 2
#define DISP_CC_MDSS_AHB_CLK_SRC 3
#define DISP_CC_MDSS_BYTE0_CLK 4
#define DISP_CC_MDSS_BYTE0_CLK_SRC 5
#define DISP_CC_MDSS_BYTE0_DIV_CLK_SRC 6
#define DISP_CC_MDSS_BYTE0_INTF_CLK 7
#define DISP_CC_MDSS_BYTE1_CLK 8
#define DISP_CC_MDSS_BYTE1_CLK_SRC 9
#define DISP_CC_MDSS_BYTE1_DIV_CLK_SRC 10
#define DISP_CC_MDSS_BYTE1_INTF_CLK 11
#define DISP_CC_MDSS_DPTX0_AUX_CLK 12
#define DISP_CC_MDSS_DPTX0_AUX_CLK_SRC 13
#define DISP_CC_MDSS_DPTX0_CRYPTO_CLK 14
#define DISP_CC_MDSS_DPTX0_LINK_CLK 15
#define DISP_CC_MDSS_DPTX0_LINK_CLK_SRC 16
#define DISP_CC_MDSS_DPTX0_LINK_DIV_CLK_SRC 17
#define DISP_CC_MDSS_DPTX0_LINK_INTF_CLK 18
#define DISP_CC_MDSS_DPTX0_PIXEL0_CLK 19
#define DISP_CC_MDSS_DPTX0_PIXEL0_CLK_SRC 20
#define DISP_CC_MDSS_DPTX0_PIXEL1_CLK 21
#define DISP_CC_MDSS_DPTX0_PIXEL1_CLK_SRC 22
#define DISP_CC_MDSS_DPTX0_USB_ROUTER_LINK_INTF_CLK 23
#define DISP_CC_MDSS_DPTX1_AUX_CLK 24
#define DISP_CC_MDSS_DPTX1_AUX_CLK_SRC 25
#define DISP_CC_MDSS_DPTX1_CRYPTO_CLK 26
#define DISP_CC_MDSS_DPTX1_LINK_CLK 27
#define DISP_CC_MDSS_DPTX1_LINK_CLK_SRC 28
#define DISP_CC_MDSS_DPTX1_LINK_DIV_CLK_SRC 29
#define DISP_CC_MDSS_DPTX1_LINK_INTF_CLK 30
#define DISP_CC_MDSS_DPTX1_PIXEL0_CLK 31
#define DISP_CC_MDSS_DPTX1_PIXEL0_CLK_SRC 32
#define DISP_CC_MDSS_DPTX1_PIXEL1_CLK 33
#define DISP_CC_MDSS_DPTX1_PIXEL1_CLK_SRC 34
#define DISP_CC_MDSS_DPTX1_USB_ROUTER_LINK_INTF_CLK 35
#define DISP_CC_MDSS_DPTX2_AUX_CLK 36
#define DISP_CC_MDSS_DPTX2_AUX_CLK_SRC 37
#define DISP_CC_MDSS_DPTX2_CRYPTO_CLK 38
#define DISP_CC_MDSS_DPTX2_LINK_CLK 39
#define DISP_CC_MDSS_DPTX2_LINK_CLK_SRC 40
#define DISP_CC_MDSS_DPTX2_LINK_DIV_CLK_SRC 41
#define DISP_CC_MDSS_DPTX2_LINK_INTF_CLK 42
#define DISP_CC_MDSS_DPTX2_PIXEL0_CLK 43
#define DISP_CC_MDSS_DPTX2_PIXEL0_CLK_SRC 44
#define DISP_CC_MDSS_DPTX2_PIXEL1_CLK 45
#define DISP_CC_MDSS_DPTX2_PIXEL1_CLK_SRC 46
#define DISP_CC_MDSS_DPTX3_AUX_CLK 47
#define DISP_CC_MDSS_DPTX3_AUX_CLK_SRC 48
#define DISP_CC_MDSS_DPTX3_CRYPTO_CLK 49
#define DISP_CC_MDSS_DPTX3_LINK_CLK 50
#define DISP_CC_MDSS_DPTX3_LINK_CLK_SRC 51
#define DISP_CC_MDSS_DPTX3_LINK_DIV_CLK_SRC 52
#define DISP_CC_MDSS_DPTX3_LINK_INTF_CLK 53
#define DISP_CC_MDSS_DPTX3_PIXEL0_CLK 54
#define DISP_CC_MDSS_DPTX3_PIXEL0_CLK_SRC 55
#define DISP_CC_MDSS_ESC0_CLK 56
#define DISP_CC_MDSS_ESC0_CLK_SRC 57
#define DISP_CC_MDSS_ESC1_CLK 58
#define DISP_CC_MDSS_ESC1_CLK_SRC 59
#define DISP_CC_MDSS_MDP1_CLK 60
#define DISP_CC_MDSS_MDP_CLK 61
#define DISP_CC_MDSS_MDP_CLK_SRC 62
#define DISP_CC_MDSS_MDP_LUT1_CLK 63
#define DISP_CC_MDSS_MDP_LUT_CLK 64
#define DISP_CC_MDSS_NON_GDSC_AHB_CLK 65
#define DISP_CC_MDSS_PCLK0_CLK 66
#define DISP_CC_MDSS_PCLK0_CLK_SRC 67
#define DISP_CC_MDSS_PCLK1_CLK 68
#define DISP_CC_MDSS_PCLK1_CLK_SRC 69
#define DISP_CC_MDSS_RSCC_AHB_CLK 70
#define DISP_CC_MDSS_RSCC_VSYNC_CLK 71
#define DISP_CC_MDSS_VSYNC1_CLK 72
#define DISP_CC_MDSS_VSYNC_CLK 73
#define DISP_CC_MDSS_VSYNC_CLK_SRC 74
#define DISP_CC_PLL0 75
#define DISP_CC_PLL1 76
#define DISP_CC_SLEEP_CLK 77
#define DISP_CC_SLEEP_CLK_SRC 78
#define DISP_CC_XO_CLK 79
#define DISP_CC_XO_CLK_SRC 80
/* 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
/* DISP_CC GDSCR */
#define MDSS_GDSC 0
#define MDSS_INT2_GDSC 1
#endif