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Date: Mon, 7 Nov 2022 15:03:41 -0800
From: Melody Olvera <quic_molvera@...cinc.com>
To: Bjorn Andersson <andersson@...nel.org>
CC: Andy Gross <agross@...nel.org>,
Michael Turquette <mturquette@...libre.com>,
Stephen Boyd <sboyd@...nel.org>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Thomas Gleixner <tglx@...utronix.de>,
Marc Zyngier <maz@...nel.org>,
Taniya Das <quic_tdas@...cinc.com>,
<linux-arm-msm@...r.kernel.org>, <linux-clk@...r.kernel.org>,
<devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 1/5] dt-bindings: clock: Add QDU1000 and QRU1000 GCC
clock bindings
On 11/7/2022 9:25 AM, Bjorn Andersson wrote:
> On Wed, Oct 26, 2022 at 12:04:37PM -0700, Melody Olvera wrote:
>> Add device tree bindings for global clock controller on QDU1000 and
>> QRU1000 SoCs.
>>
>> Signed-off-by: Melody Olvera <quic_molvera@...cinc.com>
>> ---
>> .../bindings/clock/qcom,gcc-qdu1000.yaml | 77 ++++++++
>> include/dt-bindings/clock/qcom,gcc-qdu1000.h | 170 ++++++++++++++++++
>> 2 files changed, 247 insertions(+)
>> create mode 100644 Documentation/devicetree/bindings/clock/qcom,gcc-qdu1000.yaml
>> create mode 100644 include/dt-bindings/clock/qcom,gcc-qdu1000.h
>>
>> diff --git a/Documentation/devicetree/bindings/clock/qcom,gcc-qdu1000.yaml b/Documentation/devicetree/bindings/clock/qcom,gcc-qdu1000.yaml
>> new file mode 100644
>> index 000000000000..ad460d628ffc
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/clock/qcom,gcc-qdu1000.yaml
>> @@ -0,0 +1,77 @@
>> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
>> +%YAML 1.2
>> +---
>> +$id: http://devicetree.org/schemas/clock/qcom,gcc-qdu1000.yaml#
>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>> +
>> +title: Qualcomm Global Clock & Reset Controller for QDU1000 and QRU1000
>> +
>> +allOf:
>> + - $ref: qcom,gcc.yaml#
>> +
>> +maintainers:
>> + - Melody Olvera <quic_molvera@...cinc.com>
>> +
>> +description: |
>> + Qualcomm global clock control module which supports the clocks, resets and
>> + power domains on QDU1000 and QRU1000
>> +
>> + See also:
>> + - include/dt-bindings/clock/qcom,gcc-qdu1000.h
>> +
>> +properties:
>> + compatible:
>> + items:
>> + - const: qcom,gcc-qdu1000
>> + - const: syscon
>> +
>> + clocks:
>> + items:
>> + - description: Board XO source
>> + - description: Sleep clock source
>> + - description: PCIE 0 Pipe clock source
>> + - description: PCIE 0 Phy Auxiliary clock source
>> + - description: USB3 Phy wrapper pipe clock source
>> + minItems: 2
> They should all be required by the binding, but I will accept .dts
> files with not yet available sources specified as <0>.
Yeah I'll add these clocks.
>
>> +
>> + clock-names:
> Including clock-names in the binding indicates that clocks are indexed
> based on these names (which is what we've done for many years now).
>
> As we're transitioning the clock providers to rely solely on the
> ordering of clocks, I prefer that we omit the clock-names property, just
> to make it clear that clock-names is effectively ignored by Linux.
Sounds good.
>
>> + items:
>> + - const: bi_tcxo
>> + - const: sleep_clk
>> + - const: pcie_0_pipe_clk
>> + minItems: 2
>> +
>> + '#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'
>> +
>> +additionalProperties: false
>> +
>> +examples:
>> + - |
>> + #include <dt-bindings/clock/qcom,rpmh.h>
>> + clock-controller@...000 {
>> + compatible = "qcom,gcc-qdu1000", "syscon";
>> + reg = <0x00100000 0x001f4200>;
>> + clocks = <&rpmhcc RPMH_CXO_CLK>, <&sleep_clk>;
> This is just an example, so please make up some plausible sources for
> the remaining clocks.
Yeah the remaining clocks can go under this source as well.
Thanks,
Melody
>> + clock-names = "bi_tcxo", "sleep_clk";
>> + #clock-cells = <1>;
>> + #reset-cells = <1>;
>> + #power-domain-cells = <1>;
>> + };
>> diff --git a/include/dt-bindings/clock/qcom,gcc-qdu1000.h b/include/dt-bindings/clock/qcom,gcc-qdu1000.h
>> new file mode 100644
>> index 000000000000..99edb688fef2
>> --- /dev/null
>> +++ b/include/dt-bindings/clock/qcom,gcc-qdu1000.h
>> @@ -0,0 +1,170 @@
>> +/* SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause */
>> +/*
>> + * Copyright (c) 2021-2022, Qualcomm Innovation Center, Inc. All rights reserved.
>> + */
>> +
>> +#ifndef _DT_BINDINGS_CLK_QCOM_GCC_QDU1000_H
>> +#define _DT_BINDINGS_CLK_QCOM_GCC_QDU1000_H
>> +
>> +/* GCC clocks */
>> +#define GCC_GPLL0 0
>> +#define GCC_GPLL0_OUT_EVEN 1
>> +#define GCC_GPLL1 2
>> +#define GCC_GPLL2 3
>> +#define GCC_GPLL2_OUT_EVEN 4
>> +#define GCC_GPLL3 5
>> +#define GCC_GPLL4 6
>> +#define GCC_GPLL5 7
>> +#define GCC_GPLL5_OUT_EVEN 8
>> +#define GCC_GPLL6 9
>> +#define GCC_GPLL7 10
>> +#define GCC_GPLL8 11
>> +#define GCC_AGGRE_NOC_ECPRI_DMA_CLK 12
>> +#define GCC_AGGRE_NOC_ECPRI_DMA_CLK_SRC 13
>> +#define GCC_AGGRE_NOC_ECPRI_GSI_CLK_SRC 14
>> +#define GCC_BOOT_ROM_AHB_CLK 15
>> +#define GCC_CFG_NOC_ECPRI_CC_AHB_CLK 16
>> +#define GCC_CFG_NOC_USB3_PRIM_AXI_CLK 17
>> +#define GCC_DDRSS_ECPRI_DMA_CLK 18
>> +#define GCC_ECPRI_AHB_CLK 19
>> +#define GCC_ECPRI_CC_GPLL0_CLK_SRC 20
>> +#define GCC_ECPRI_CC_GPLL1_EVEN_CLK_SRC 21
>> +#define GCC_ECPRI_CC_GPLL2_EVEN_CLK_SRC 22
>> +#define GCC_ECPRI_CC_GPLL3_CLK_SRC 23
>> +#define GCC_ECPRI_CC_GPLL4_CLK_SRC 24
>> +#define GCC_ECPRI_CC_GPLL5_EVEN_CLK_SRC 25
>> +#define GCC_ECPRI_XO_CLK 26
>> +#define GCC_ETH_DBG_SNOC_AXI_CLK 27
>> +#define GCC_GEMNOC_PCIE_QX_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_PCIE_0_AUX_CLK 35
>> +#define GCC_PCIE_0_AUX_CLK_SRC 36
>> +#define GCC_PCIE_0_CFG_AHB_CLK 37
>> +#define GCC_PCIE_0_CLKREF_EN 38
>> +#define GCC_PCIE_0_MSTR_AXI_CLK 39
>> +#define GCC_PCIE_0_PHY_AUX_CLK 40
>> +#define GCC_PCIE_0_PHY_RCHNG_CLK 41
>> +#define GCC_PCIE_0_PHY_RCHNG_CLK_SRC 42
>> +#define GCC_PCIE_0_PIPE_CLK 43
>> +#define GCC_PCIE_0_SLV_AXI_CLK 44
>> +#define GCC_PCIE_0_SLV_Q2A_AXI_CLK 45
>> +#define GCC_PDM2_CLK 46
>> +#define GCC_PDM2_CLK_SRC 47
>> +#define GCC_PDM_AHB_CLK 48
>> +#define GCC_PDM_XO4_CLK 49
>> +#define GCC_QMIP_ANOC_PCIE_CLK 50
>> +#define GCC_QMIP_ECPRI_DMA0_CLK 51
>> +#define GCC_QMIP_ECPRI_DMA1_CLK 52
>> +#define GCC_QMIP_ECPRI_GSI_CLK 53
>> +#define GCC_QUPV3_WRAP0_CORE_2X_CLK 54
>> +#define GCC_QUPV3_WRAP0_CORE_CLK 55
>> +#define GCC_QUPV3_WRAP0_S0_CLK 56
>> +#define GCC_QUPV3_WRAP0_S0_CLK_SRC 57
>> +#define GCC_QUPV3_WRAP0_S1_CLK 58
>> +#define GCC_QUPV3_WRAP0_S1_CLK_SRC 59
>> +#define GCC_QUPV3_WRAP0_S2_CLK 60
>> +#define GCC_QUPV3_WRAP0_S2_CLK_SRC 61
>> +#define GCC_QUPV3_WRAP0_S3_CLK 62
>> +#define GCC_QUPV3_WRAP0_S3_CLK_SRC 63
>> +#define GCC_QUPV3_WRAP0_S4_CLK 64
>> +#define GCC_QUPV3_WRAP0_S4_CLK_SRC 65
>> +#define GCC_QUPV3_WRAP0_S5_CLK 66
>> +#define GCC_QUPV3_WRAP0_S5_CLK_SRC 67
>> +#define GCC_QUPV3_WRAP0_S6_CLK 68
>> +#define GCC_QUPV3_WRAP0_S6_CLK_SRC 69
>> +#define GCC_QUPV3_WRAP0_S7_CLK 70
>> +#define GCC_QUPV3_WRAP0_S7_CLK_SRC 71
>> +#define GCC_QUPV3_WRAP1_CORE_2X_CLK 72
>> +#define GCC_QUPV3_WRAP1_CORE_CLK 73
>> +#define GCC_QUPV3_WRAP1_S0_CLK 74
>> +#define GCC_QUPV3_WRAP1_S0_CLK_SRC 75
>> +#define GCC_QUPV3_WRAP1_S1_CLK 76
>> +#define GCC_QUPV3_WRAP1_S1_CLK_SRC 77
>> +#define GCC_QUPV3_WRAP1_S2_CLK 78
>> +#define GCC_QUPV3_WRAP1_S2_CLK_SRC 79
>> +#define GCC_QUPV3_WRAP1_S3_CLK 80
>> +#define GCC_QUPV3_WRAP1_S3_CLK_SRC 81
>> +#define GCC_QUPV3_WRAP1_S4_CLK 82
>> +#define GCC_QUPV3_WRAP1_S4_CLK_SRC 83
>> +#define GCC_QUPV3_WRAP1_S5_CLK 84
>> +#define GCC_QUPV3_WRAP1_S5_CLK_SRC 85
>> +#define GCC_QUPV3_WRAP1_S6_CLK 86
>> +#define GCC_QUPV3_WRAP1_S6_CLK_SRC 87
>> +#define GCC_QUPV3_WRAP1_S7_CLK 88
>> +#define GCC_QUPV3_WRAP1_S7_CLK_SRC 89
>> +#define GCC_QUPV3_WRAP_0_M_AHB_CLK 90
>> +#define GCC_QUPV3_WRAP_0_S_AHB_CLK 91
>> +#define GCC_QUPV3_WRAP_1_M_AHB_CLK 92
>> +#define GCC_QUPV3_WRAP_1_S_AHB_CLK 93
>> +#define GCC_SDCC5_AHB_CLK 94
>> +#define GCC_SDCC5_APPS_CLK 95
>> +#define GCC_SDCC5_APPS_CLK_SRC 96
>> +#define GCC_SDCC5_ICE_CORE_CLK 97
>> +#define GCC_SDCC5_ICE_CORE_CLK_SRC 98
>> +#define GCC_SNOC_CNOC_GEMNOC_PCIE_QX_CLK 99
>> +#define GCC_SNOC_CNOC_GEMNOC_PCIE_SOUTH_QX_CLK 100
>> +#define GCC_SNOC_CNOC_PCIE_QX_CLK 101
>> +#define GCC_SNOC_PCIE_SF_CENTER_QX_CLK 102
>> +#define GCC_SNOC_PCIE_SF_SOUTH_QX_CLK 103
>> +#define GCC_TSC_CFG_AHB_CLK 104
>> +#define GCC_TSC_CLK_SRC 105
>> +#define GCC_TSC_CNTR_CLK 106
>> +#define GCC_TSC_ETU_CLK 107
>> +#define GCC_USB2_CLKREF_EN 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_MOCK_UTMI_POSTDIV_CLK_SRC 113
>> +#define GCC_USB30_PRIM_SLEEP_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_SM_BUS_AHB_CLK 119
>> +#define GCC_SM_BUS_XO_CLK 120
>> +#define GCC_SM_BUS_XO_CLK_SRC 121
>> +#define GCC_USB3_PRIM_PHY_PIPE_CLK_SRC 122
>> +#define GCC_ETH_100G_C2C_HM_APB_CLK 123
>> +#define GCC_ETH_100G_FH_HM_APB_0_CLK 124
>> +#define GCC_ETH_100G_FH_HM_APB_1_CLK 125
>> +#define GCC_ETH_100G_FH_HM_APB_2_CLK 126
>> +#define GCC_ETH_DBG_C2C_HM_APB_CLK 127
>> +#define GCC_AGGRE_NOC_ECPRI_GSI_CLK 128
>> +#define GCC_PCIE_0_PIPE_CLK_SRC 129
>> +#define GCC_PCIE_0_PHY_AUX_CLK_SRC 130
>> +
>> +/* GCC resets */
>> +#define GCC_ECPRI_CC_BCR 0
>> +#define GCC_ECPRI_SS_BCR 1
>> +#define GCC_ETH_WRAPPER_BCR 2
>> +#define GCC_PCIE_0_BCR 3
>> +#define GCC_PCIE_0_LINK_DOWN_BCR 4
>> +#define GCC_PCIE_0_NOCSR_COM_PHY_BCR 5
>> +#define GCC_PCIE_0_PHY_BCR 6
>> +#define GCC_PCIE_0_PHY_NOCSR_COM_PHY_BCR 7
>> +#define GCC_PCIE_PHY_CFG_AHB_BCR 8
>> +#define GCC_PCIE_PHY_COM_BCR 9
>> +#define GCC_PDM_BCR 10
>> +#define GCC_QUPV3_WRAPPER_0_BCR 11
>> +#define GCC_QUPV3_WRAPPER_1_BCR 12
>> +#define GCC_QUSB2PHY_PRIM_BCR 13
>> +#define GCC_QUSB2PHY_SEC_BCR 14
>> +#define GCC_SDCC5_BCR 15
>> +#define GCC_TCSR_PCIE_BCR 16
>> +#define GCC_TSC_BCR 17
>> +#define GCC_USB30_PRIM_BCR 18
>> +#define GCC_USB3_DP_PHY_PRIM_BCR 19
>> +#define GCC_USB3_DP_PHY_SEC_BCR 20
>> +#define GCC_USB3_PHY_PRIM_BCR 21
>> +#define GCC_USB3_PHY_SEC_BCR 22
>> +#define GCC_USB3PHY_PHY_PRIM_BCR 23
>> +#define GCC_USB3PHY_PHY_SEC_BCR 24
>> +#define GCC_USB_PHY_CFG_AHB2PHY_BCR 25
>> +
>> +#endif
>> --
>> 2.25.1
>>
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