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Message-ID: <632ef77f-dfea-3bb1-c10a-e2b5e75fc2fb@codeaurora.org>
Date: Mon, 14 Oct 2019 15:46:39 +0530
From: Taniya Das <tdas@...eaurora.org>
To: Rob Herring <robh@...nel.org>
Cc: Stephen Boyd <sboyd@...nel.org>,
Michael Turquette <mturquette@...libre.com>,
David Brown <david.brown@...aro.org>,
Rajendra Nayak <rnayak@...eaurora.org>,
linux-arm-msm@...r.kernel.org, linux-soc@...r.kernel.org,
linux-clk@...r.kernel.org, linux-kernel@...r.kernel.org,
devicetree@...r.kernel.org
Subject: Re: [PATCH v3 2/3] dt-bindings: clk: qcom: Add YAML schemas for the
GCC clock bindings
Hi Rob,
Thanks for your comments.
On 9/27/2019 10:57 PM, Rob Herring wrote:
> 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.
>
Sure, will take care of splitting the patch.
>>
>> Signed-off-by: Taniya Das <tdas@...eaurora.org>
>> ---
>> .../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@...000 {
>> - 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@...000 {
>> - 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@...000 {
>> - 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@...000 {
>> - 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)?
>
I will submit the new file with the GPL-2.0-only license and will also
relicense the old files to use the GPL-2.0-only.
> And please, can all of Qcom and the Linaro QCom landing team get aligned
> on this.
>
Will work out internally.
>> +%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@...nel.org>
>> +
>> +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@...000 {
>> + 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.
>
I will fix it in the next patch.
>> + };
>> +
>> +
>> + - |
>> + // Example of GCC with TSENS properties:
>> + clock-controller@...000 {
>> + 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@...000 {
>> + 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@...000 {
>> + 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@...000 {
>> + 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.
>>
--
QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member
of Code Aurora Forum, hosted by The Linux Foundation.
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