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Message-ID: <20221107172552.jlspmxb7zoa2aqxl@builder.lan>
Date: Mon, 7 Nov 2022 11:25:52 -0600
From: Bjorn Andersson <andersson@...nel.org>
To: Melody Olvera <quic_molvera@...cinc.com>
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 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>.
> +
> + 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.
> + 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.
Regards,
Bjorn
> + 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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