Re: [PATCH v3 2/3] dt-bindings: clk: qcom: Add YAML schemas for the GCC clock bindings

From: Rob Herring
Date: Fri Sep 27 2019 - 13:27:48 EST

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On Wed, Sep 18, 2019 at 03:20:17PM +0530, Taniya Das wrote:
> The GCC clock provider have a bunch of generic properties that
> are needed in a device tree. Add a YAML schemas for those. Also update
> the compatible for SC7180 along with example for clocks & clock-names.

I'm fine fixing errors in the conversion, but adding a new chip should
be separate patch.

>
> Signed-off-by: Taniya Das <tdas@xxxxxxxxxxxxxx>
> ---
> .../devicetree/bindings/clock/qcom,gcc.txt | 94 -----------
> .../devicetree/bindings/clock/qcom,gcc.yaml | 157 ++++++++++++++++++
> include/dt-bindings/clock/qcom,gcc-sc7180.h | 155 +++++++++++++++++
> 3 files changed, 312 insertions(+), 94 deletions(-)
> delete mode 100644 Documentation/devicetree/bindings/clock/qcom,gcc.txt
> create mode 100644 Documentation/devicetree/bindings/clock/qcom,gcc.yaml
> create mode 100644 include/dt-bindings/clock/qcom,gcc-sc7180.h
>
> diff --git a/Documentation/devicetree/bindings/clock/qcom,gcc.txt b/Documentation/devicetree/bindings/clock/qcom,gcc.txt
> deleted file mode 100644
> index d14362ad4132..000000000000
> --- a/Documentation/devicetree/bindings/clock/qcom,gcc.txt
> +++ /dev/null
> @@ -1,94 +0,0 @@
> -Qualcomm Global Clock & Reset Controller Binding
> -------------------------------------------------
> -
> -Required properties :
> -- compatible : shall contain only one of the following:
> -
> - "qcom,gcc-apq8064"
> - "qcom,gcc-apq8084"
> - "qcom,gcc-ipq8064"
> - "qcom,gcc-ipq4019"
> - "qcom,gcc-ipq8074"
> - "qcom,gcc-msm8660"
> - "qcom,gcc-msm8916"
> - "qcom,gcc-msm8960"
> - "qcom,gcc-msm8974"
> - "qcom,gcc-msm8974pro"
> - "qcom,gcc-msm8974pro-ac"
> - "qcom,gcc-msm8994"
> - "qcom,gcc-msm8996"
> - "qcom,gcc-msm8998"
> - "qcom,gcc-mdm9615"
> - "qcom,gcc-qcs404"
> - "qcom,gcc-sdm630"
> - "qcom,gcc-sdm660"
> - "qcom,gcc-sdm845"
> - "qcom,gcc-sm8150"
> -
> -- reg : shall contain base register location and length
> -- #clock-cells : shall contain 1
> -- #reset-cells : shall contain 1
> -
> -Optional properties :
> -- #power-domain-cells : shall contain 1
> -- Qualcomm TSENS (thermal sensor device) on some devices can
> -be part of GCC and hence the TSENS properties can also be
> -part of the GCC/clock-controller node.
> -For more details on the TSENS properties please refer
> -Documentation/devicetree/bindings/thermal/qcom-tsens.txt
> -- protected-clocks : Protected clock specifier list as per common clock
> - binding.
> -
> -For SM8150 only:
> - - clocks: a list of phandles and clock-specifier pairs,
> - one for each entry in clock-names.
> - - clock-names: "bi_tcxo" (required)
> - "sleep_clk" (optional)
> - "aud_ref_clock" (optional)
> -
> -Example:
> - clock-controller@900000 {
> - compatible = "qcom,gcc-msm8960";
> - reg = <0x900000 0x4000>;
> - #clock-cells = <1>;
> - #reset-cells = <1>;
> - #power-domain-cells = <1>;
> - };
> -
> -Example of GCC with TSENS properties:
> - clock-controller@900000 {
> - compatible = "qcom,gcc-apq8064";
> - reg = <0x00900000 0x4000>;
> - nvmem-cells = <&tsens_calib>, <&tsens_backup>;
> - nvmem-cell-names = "calib", "calib_backup";
> - #clock-cells = <1>;
> - #reset-cells = <1>;
> - #thermal-sensor-cells = <1>;
> - };
> -
> -Example of GCC with protected-clocks properties:
> - clock-controller@100000 {
> - compatible = "qcom,gcc-sdm845";
> - reg = <0x100000 0x1f0000>;
> - #clock-cells = <1>;
> - #reset-cells = <1>;
> - #power-domain-cells = <1>;
> - protected-clocks = <GCC_QSPI_CORE_CLK>,
> - <GCC_QSPI_CORE_CLK_SRC>,
> - <GCC_QSPI_CNOC_PERIPH_AHB_CLK>,
> - <GCC_LPASS_Q6_AXI_CLK>,
> - <GCC_LPASS_SWAY_CLK>;
> - };
> -
> -Example of GCC with clocks
> - gcc: clock-controller@100000 {
> - compatible = "qcom,gcc-sm8150";
> - reg = <0x00100000 0x1f0000>;
> - #clock-cells = <1>;
> - #reset-cells = <1>;
> - #power-domain-cells = <1>;
> - clock-names = "bi_tcxo",
> - "sleep_clk";
> - clocks = <&rpmcc RPM_SMD_XO_CLK_SRC>,
> - <&sleep_clk>;
> - };
> diff --git a/Documentation/devicetree/bindings/clock/qcom,gcc.yaml b/Documentation/devicetree/bindings/clock/qcom,gcc.yaml
> new file mode 100644
> index 000000000000..056a7977c458
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/clock/qcom,gcc.yaml
> @@ -0,0 +1,157 @@
> +# SPDX-License-Identifier: GPL-2.0

As all the authors where QCom on the old file, can you relicense to
(GPL-2.0-only OR BSD-2-Clause)?

And please, can all of Qcom and the Linaro QCom landing team get aligned
on this.

> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/clock/qcom,gcc.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Qualcomm Global Clock & Reset Controller Binding
> +
> +maintainers:
> + - Stephen Boyd <sboyd@xxxxxxxxxx>
> +
> +properties:
> + "#clock-cells":
> + const: 1
> +
> + "#reset-cells":
> + const: 1
> +
> + reg:
> + maxItems: 1
> +
> + compatible :
> + enum:
> + - qcom,gcc-apq8064
> + - qcom,gcc-apq8084
> + - qcom,gcc-ipq8064
> + - qcom,gcc-ipq4019
> + - qcom,gcc-ipq8074
> + - qcom,gcc-msm8660
> + - qcom,gcc-msm8916
> + - qcom,gcc-msm8960
> + - qcom,gcc-msm8974
> + - qcom,gcc-msm8974pro
> + - qcom,gcc-msm8974pro-ac
> + - qcom,gcc-msm8994
> + - qcom,gcc-msm8996
> + - qcom,gcc-msm8998
> + - qcom,gcc-mdm9615
> + - qcom,gcc-qcs404
> + - qcom,gcc-sdm630
> + - qcom,gcc-sdm660
> + - qcom,gcc-sdm845
> + - qcom,gcc-sm8150
> + - qcom,gcc-sc7180
> +
> + clocks:
> + minItems: 1
> + maxItems: 3
> + items:
> + - description: Board XO source
> + - description: Board active XO source
> + - description: Sleep clock source(optional)
> +
> + clock-names:
> + minItems: 1
> + maxItems: 3
> + items:
> + - const: bi_tcxo
> + - const: bi_tcxo_ao
> + - const: sleep_clk
> +
> + nvmem-cells:
> + minItems: 1
> + maxItems: 2
> + description:
> + Qualcomm TSENS (thermal sensor device) on some devices can
> + be part of GCC and hence the TSENS properties can also be part
> + of the GCC/clock-controller node.
> + For more details on the TSENS properties please refer
> + Documentation/devicetree/bindings/thermal/qcom-tsens.txt
> +
> + nvmem-cell-names:
> + minItems: 1
> + maxItems: 2
> + description:
> + Names for each nvmem-cells specified.
> + items:
> + - const: calib
> + - const: calib_backup
> +
> + "#thermal-sensor-cells":
> + const: 1
>
> + "#power-domain-cells":
> + const: 1
> +
> + protected-clocks:
> + description:
> + Protected clock specifier list as per common clock binding
> +
> +required:
> + - "#clock-cells"
> + - "#reset-cells"
> + - compatible
> + - reg
> + - clocks
> + - clock-names
> +
> +examples:
> + - |
> + // Example:
> + clock-controller@900000 {
> + compatible = "qcom,gcc-msm8960";
> + reg = <0x900000 0x4000>;
> + #clock-cells = <1>;
> + #reset-cells = <1>;
> + #power-domain-cells = <1>;

Does this pass 'make dt_binding_check' as 'clocks' is required.

> + };
> +
> +
> + - |
> + // Example of GCC with TSENS properties:
> + clock-controller@900000 {
> + compatible = "qcom,gcc-apq8064";
> + reg = <0x00900000 0x4000>;
> + nvmem-cells = <&tsens_calib>, <&tsens_backup>;
> + nvmem-cell-names = "calib", "calib_backup";
> + #clock-cells = <1>;
> + #reset-cells = <1>;
> + #thermal-sensor-cells = <1>;
> + };
> +
> + - |
> + //Example of GCC with protected-clocks properties:
> + clock-controller@100000 {
> + compatible = "qcom,gcc-sdm845";
> + reg = <0x100000 0x1f0000>;
> + #clock-cells = <1>;
> + #reset-cells = <1>;
> + #power-domain-cells = <1>;
> + protected-clocks = <187>, <188>, <189>, <190>, <191>;
> + };
> +
> + - |
> + //Example of GCC with clock node properties for SM8150:
> + clock-controller@100000 {
> + compatible = "qcom,gcc-sm8150";
> + reg = <0x00100000 0x1f0000>;
> + #clock-cells = <1>;
> + #reset-cells = <1>;
> + #power-domain-cells = <1>;
> + clocks = <&rpmhcc 0>, <&rpmhcc 1>, <&sleep_clk>;
> + clock-names = "bi_tcxo", "bi_tcxo_ao", "sleep_clk";
> + };
> +
> + - |
> + //Example of GCC with clock nodes properties:
> + clock-controller@100000 {
> + compatible = "qcom,gcc-sc7180";
> + reg = <0x100000 0x1f0000>;
> + clocks = <&rpmhcc 0>, <&rpmhcc 1>;
> + clock-names = "bi_tcxo", "bi_tcxo_ao";
> + #clock-cells = <1>;
> + #reset-cells = <1>;
> + #power-domain-cells = <1>;
> + };
> +...
> diff --git a/include/dt-bindings/clock/qcom,gcc-sc7180.h b/include/dt-bindings/clock/qcom,gcc-sc7180.h
> new file mode 100644
> index 000000000000..d76b061f6a4e
> --- /dev/null
> +++ b/include/dt-bindings/clock/qcom,gcc-sc7180.h
> @@ -0,0 +1,155 @@
> +/* SPDX-License-Identifier: GPL-2.0 */
> +/*
> + * Copyright (c) 2019, The Linux Foundation. All rights reserved.
> + */
> +
> +#ifndef _DT_BINDINGS_CLK_QCOM_GCC_SC7180_H
> +#define _DT_BINDINGS_CLK_QCOM_GCC_SC7180_H
> +
> +/* GCC clocks */
> +#define GCC_GPLL0_MAIN_DIV_CDIV 0
> +#define GPLL0 1
> +#define GPLL0_OUT_EVEN 2
> +#define GPLL1 3
> +#define GPLL4 4
> +#define GPLL6 5
> +#define GPLL7 6
> +#define GCC_AGGRE_UFS_PHY_AXI_CLK 7
> +#define GCC_AGGRE_USB3_PRIM_AXI_CLK 8
> +#define GCC_BOOT_ROM_AHB_CLK 9
> +#define GCC_CAMERA_AHB_CLK 10
> +#define GCC_CAMERA_HF_AXI_CLK 11
> +#define GCC_CAMERA_THROTTLE_HF_AXI_CLK 12
> +#define GCC_CAMERA_XO_CLK 13
> +#define GCC_CE1_AHB_CLK 14
> +#define GCC_CE1_AXI_CLK 15
> +#define GCC_CE1_CLK 16
> +#define GCC_CFG_NOC_USB3_PRIM_AXI_CLK 17
> +#define GCC_CPUSS_AHB_CLK 18
> +#define GCC_CPUSS_AHB_CLK_SRC 19
> +#define GCC_CPUSS_GNOC_CLK 20
> +#define GCC_CPUSS_RBCPR_CLK 21
> +#define GCC_DDRSS_GPU_AXI_CLK 22
> +#define GCC_DISP_AHB_CLK 23
> +#define GCC_DISP_GPLL0_CLK_SRC 24
> +#define GCC_DISP_GPLL0_DIV_CLK_SRC 25
> +#define GCC_DISP_HF_AXI_CLK 26
> +#define GCC_DISP_THROTTLE_HF_AXI_CLK 27
> +#define GCC_DISP_XO_CLK 28
> +#define GCC_GP1_CLK 29
> +#define GCC_GP1_CLK_SRC 30
> +#define GCC_GP2_CLK 31
> +#define GCC_GP2_CLK_SRC 32
> +#define GCC_GP3_CLK 33
> +#define GCC_GP3_CLK_SRC 34
> +#define GCC_GPU_CFG_AHB_CLK 35
> +#define GCC_GPU_GPLL0_CLK_SRC 36
> +#define GCC_GPU_GPLL0_DIV_CLK_SRC 37
> +#define GCC_GPU_MEMNOC_GFX_CLK 38
> +#define GCC_GPU_SNOC_DVM_GFX_CLK 39
> +#define GCC_NPU_AXI_CLK 40
> +#define GCC_NPU_BWMON_AXI_CLK 41
> +#define GCC_NPU_BWMON_DMA_CFG_AHB_CLK 42
> +#define GCC_NPU_BWMON_DSP_CFG_AHB_CLK 43
> +#define GCC_NPU_CFG_AHB_CLK 44
> +#define GCC_NPU_DMA_CLK 45
> +#define GCC_NPU_GPLL0_CLK_SRC 46
> +#define GCC_NPU_GPLL0_DIV_CLK_SRC 47
> +#define GCC_PDM2_CLK 48
> +#define GCC_PDM2_CLK_SRC 49
> +#define GCC_PDM_AHB_CLK 50
> +#define GCC_PDM_XO4_CLK 51
> +#define GCC_PRNG_AHB_CLK 52
> +#define GCC_QSPI_CNOC_PERIPH_AHB_CLK 53
> +#define GCC_QSPI_CORE_CLK 54
> +#define GCC_QSPI_CORE_CLK_SRC 55
> +#define GCC_QUPV3_WRAP0_CORE_2X_CLK 56
> +#define GCC_QUPV3_WRAP0_CORE_CLK 57
> +#define GCC_QUPV3_WRAP0_S0_CLK 58
> +#define GCC_QUPV3_WRAP0_S0_CLK_SRC 59
> +#define GCC_QUPV3_WRAP0_S1_CLK 60
> +#define GCC_QUPV3_WRAP0_S1_CLK_SRC 61
> +#define GCC_QUPV3_WRAP0_S2_CLK 62
> +#define GCC_QUPV3_WRAP0_S2_CLK_SRC 63
> +#define GCC_QUPV3_WRAP0_S3_CLK 64
> +#define GCC_QUPV3_WRAP0_S3_CLK_SRC 65
> +#define GCC_QUPV3_WRAP0_S4_CLK 66
> +#define GCC_QUPV3_WRAP0_S4_CLK_SRC 67
> +#define GCC_QUPV3_WRAP0_S5_CLK 68
> +#define GCC_QUPV3_WRAP0_S5_CLK_SRC 69
> +#define GCC_QUPV3_WRAP1_CORE_2X_CLK 70
> +#define GCC_QUPV3_WRAP1_CORE_CLK 71
> +#define GCC_QUPV3_WRAP1_S0_CLK 72
> +#define GCC_QUPV3_WRAP1_S0_CLK_SRC 73
> +#define GCC_QUPV3_WRAP1_S1_CLK 74
> +#define GCC_QUPV3_WRAP1_S1_CLK_SRC 75
> +#define GCC_QUPV3_WRAP1_S2_CLK 76
> +#define GCC_QUPV3_WRAP1_S2_CLK_SRC 77
> +#define GCC_QUPV3_WRAP1_S3_CLK 78
> +#define GCC_QUPV3_WRAP1_S3_CLK_SRC 79
> +#define GCC_QUPV3_WRAP1_S4_CLK 80
> +#define GCC_QUPV3_WRAP1_S4_CLK_SRC 81
> +#define GCC_QUPV3_WRAP1_S5_CLK 82
> +#define GCC_QUPV3_WRAP1_S5_CLK_SRC 83
> +#define GCC_QUPV3_WRAP_0_M_AHB_CLK 84
> +#define GCC_QUPV3_WRAP_0_S_AHB_CLK 85
> +#define GCC_QUPV3_WRAP_1_M_AHB_CLK 86
> +#define GCC_QUPV3_WRAP_1_S_AHB_CLK 87
> +#define GCC_SDCC1_AHB_CLK 88
> +#define GCC_SDCC1_APPS_CLK 89
> +#define GCC_SDCC1_APPS_CLK_SRC 90
> +#define GCC_SDCC1_ICE_CORE_CLK 91
> +#define GCC_SDCC1_ICE_CORE_CLK_SRC 92
> +#define GCC_SDCC2_AHB_CLK 93
> +#define GCC_SDCC2_APPS_CLK 94
> +#define GCC_SDCC2_APPS_CLK_SRC 95
> +#define GCC_SYS_NOC_CPUSS_AHB_CLK 96
> +#define GCC_UFS_MEM_CLKREF_CLK 97
> +#define GCC_UFS_PHY_AHB_CLK 98
> +#define GCC_UFS_PHY_AXI_CLK 99
> +#define GCC_UFS_PHY_AXI_CLK_SRC 100
> +#define GCC_UFS_PHY_ICE_CORE_CLK 101
> +#define GCC_UFS_PHY_ICE_CORE_CLK_SRC 102
> +#define GCC_UFS_PHY_PHY_AUX_CLK 103
> +#define GCC_UFS_PHY_PHY_AUX_CLK_SRC 104
> +#define GCC_UFS_PHY_RX_SYMBOL_0_CLK 105
> +#define GCC_UFS_PHY_TX_SYMBOL_0_CLK 106
> +#define GCC_UFS_PHY_UNIPRO_CORE_CLK 107
> +#define GCC_UFS_PHY_UNIPRO_CORE_CLK_SRC 108
> +#define GCC_USB30_PRIM_MASTER_CLK 109
> +#define GCC_USB30_PRIM_MASTER_CLK_SRC 110
> +#define GCC_USB30_PRIM_MOCK_UTMI_CLK 111
> +#define GCC_USB30_PRIM_MOCK_UTMI_CLK_SRC 112
> +#define GCC_USB30_PRIM_SLEEP_CLK 113
> +#define GCC_USB3_PRIM_CLKREF_CLK 114
> +#define GCC_USB3_PRIM_PHY_AUX_CLK 115
> +#define GCC_USB3_PRIM_PHY_AUX_CLK_SRC 116
> +#define GCC_USB3_PRIM_PHY_COM_AUX_CLK 117
> +#define GCC_USB3_PRIM_PHY_PIPE_CLK 118
> +#define GCC_USB_PHY_CFG_AHB2PHY_CLK 119
> +#define GCC_VIDEO_AHB_CLK 120
> +#define GCC_VIDEO_AXI_CLK 121
> +#define GCC_VIDEO_GPLL0_DIV_CLK_SRC 122
> +#define GCC_VIDEO_THROTTLE_AXI_CLK 123
> +#define GCC_VIDEO_XO_CLK 124
> +
> +/* GCC resets */
> +#define GCC_QUSB2PHY_PRIM_BCR 0
> +#define GCC_QUSB2PHY_SEC_BCR 1
> +#define GCC_UFS_PHY_BCR 2
> +#define GCC_USB30_PRIM_BCR 3
> +#define GCC_USB3_DP_PHY_PRIM_BCR 4
> +#define GCC_USB3_DP_PHY_SEC_BCR 5
> +#define GCC_USB3_PHY_PRIM_BCR 6
> +#define GCC_USB3_PHY_SEC_BCR 7
> +#define GCC_USB3PHY_PHY_PRIM_BCR 8
> +#define GCC_USB3PHY_PHY_SEC_BCR 9
> +#define GCC_USB_PHY_CFG_AHB2PHY_BCR 10
> +
> +/* GCC GDSCRs */
> +#define UFS_PHY_GDSC 0
> +#define USB30_PRIM_GDSC 1
> +#define HLOS1_VOTE_MMNOC_MMU_TBU_HF0_GDSC 2
> +#define HLOS1_VOTE_MMNOC_MMU_TBU_SF_GDSC 3
> +
> +#endif
> --
> Qualcomm INDIA, on behalf of Qualcomm Innovation Center, Inc.is a member
> of the Code Aurora Forum, hosted by the Linux Foundation.
>

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