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Date: Wed, 22 Jun 2022 17:04:36 +0200
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Sricharan R <quic_srichara@...cinc.com>, agross@...nel.org,
bjorn.andersson@...aro.org, robh+dt@...nel.org,
krzysztof.kozlowski+dt@...aro.org, mturquette@...libre.com,
sboyd@...nel.org, linus.walleij@...aro.org,
catalin.marinas@....com, p.zabel@...gutronix.de,
quic_varada@...cinc.com, linux-arm-msm@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-clk@...r.kernel.org, linux-gpio@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH V2 2/8] dt-bindings: arm64: ipq5018: Add binding
descriptions for clock and reset
On 21/06/2022 18:11, Sricharan R wrote:
> From: Varadarajan Narayanan <quic_varada@...cinc.com>
>
> This patch adds support for the global clock controller found on
> the IPQ5018 based devices.
>
> Co-developed-by: Sricharan R <quic_srichara@...cinc.com>
> Signed-off-by: Sricharan R <quic_srichara@...cinc.com>
> Signed-off-by: Varadarajan Narayanan <quic_varada@...cinc.com>
> ---
> .../bindings/clock/qcom,gcc-other.yaml | 3 +
> include/dt-bindings/clock/qcom,gcc-ipq5018.h | 188 ++++++++++++++++++
> include/dt-bindings/reset/qcom,gcc-ipq5018.h | 122 ++++++++++++
> 3 files changed, 313 insertions(+)
> create mode 100644 include/dt-bindings/clock/qcom,gcc-ipq5018.h
> create mode 100644 include/dt-bindings/reset/qcom,gcc-ipq5018.h
>
> diff --git a/Documentation/devicetree/bindings/clock/qcom,gcc-other.yaml b/Documentation/devicetree/bindings/clock/qcom,gcc-other.yaml
> index 6c45e0f85494..3852346dbcad 100644
> --- a/Documentation/devicetree/bindings/clock/qcom,gcc-other.yaml
> +++ b/Documentation/devicetree/bindings/clock/qcom,gcc-other.yaml
> @@ -29,6 +29,8 @@ description: |
> - dt-bindings/clock/qcom,gcc-mdm9615.h
> - dt-bindings/reset/qcom,gcc-mdm9615.h
> - dt-bindings/clock/qcom,gcc-sdm660.h (qcom,gcc-sdm630 and qcom,gcc-sdm660)
> + - dt-bindings/clock/qcom,gcc-ipq5018.h
> + - dt-bindings/reset/qcom,gcc-ipq5018.h
>
> allOf:
> - $ref: "qcom,gcc.yaml#"
> @@ -51,6 +53,7 @@ properties:
> - qcom,gcc-mdm9615
> - qcom,gcc-sdm630
> - qcom,gcc-sdm660
> + - qcom,gcc-ipq5018
>
> required:
> - compatible
> diff --git a/include/dt-bindings/clock/qcom,gcc-ipq5018.h b/include/dt-bindings/clock/qcom,gcc-ipq5018.h
> new file mode 100644
> index 000000000000..14916600e2a7
> --- /dev/null
> +++ b/include/dt-bindings/clock/qcom,gcc-ipq5018.h
> @@ -0,0 +1,188 @@
> +/* SPDX-License-Identifier: GPL-2.0 */
This should be dual-license, as Rob asked last time. It's also favorable
for Qualcomm, so there is no problem in that.
GPL-2.0-only OR BSD-2-Clause
> +/*
> + * Copyright (c) 2017-2021, The Linux Foundation. All rights reserved.
> + */
> +
> +#ifndef _DT_BINDINGS_CLOCK_IPQ_GCC_5018_H
> +#define _DT_BINDINGS_CLOCK_IPQ_GCC_5018_H
> +
> +#define GPLL0_MAIN 0
> +#define GPLL0 1
> +#define GPLL2_MAIN 2
> +#define GPLL2 3
> +#define GPLL4_MAIN 4
> +#define GPLL4 5
> +#define UBI32_PLL_MAIN 6
> +#define UBI32_PLL 7
> +#define APSS_AHB_CLK_SRC 9
> +#define APSS_AHB_POSTDIV_CLK_SRC 10
> +#define APSS_AXI_CLK_SRC 11
> +#define BLSP1_QUP1_I2C_APPS_CLK_SRC 12
> +#define BLSP1_QUP1_SPI_APPS_CLK_SRC 13
> +#define BLSP1_QUP2_I2C_APPS_CLK_SRC 14
> +#define BLSP1_QUP2_SPI_APPS_CLK_SRC 15
> +#define BLSP1_QUP3_I2C_APPS_CLK_SRC 16
> +#define BLSP1_QUP3_SPI_APPS_CLK_SRC 17
> +#define BLSP1_UART1_APPS_CLK_SRC 18
> +#define BLSP1_UART2_APPS_CLK_SRC 19
> +#define CRYPTO_CLK_SRC 20
> +#define GCC_APSS_AHB_CLK 23
No holes in IDs. The IDs are integers incremented by one, serving as an
abstract number, not some register offset or register value.
> +#define GCC_APSS_AXI_CLK 24
> +#define GCC_BLSP1_AHB_CLK 25
> +#define GCC_BLSP1_QUP1_I2C_APPS_CLK 26
> +#define GCC_BLSP1_QUP1_SPI_APPS_CLK 27
> +#define GCC_BLSP1_QUP2_I2C_APPS_CLK 28
> +#define GCC_BLSP1_QUP2_SPI_APPS_CLK 29
> +#define GCC_BLSP1_QUP3_I2C_APPS_CLK 30
> +#define GCC_BLSP1_QUP3_SPI_APPS_CLK 31
> +#define GCC_BLSP1_UART1_APPS_CLK 33
> +#define GCC_BLSP1_UART2_APPS_CLK 34
> +#define GCC_BTSS_LPO_CLK 36
> +#define GCC_CMN_BLK_AHB_CLK 40
> +#define GCC_CMN_BLK_SYS_CLK 41
> +#define GCC_CRYPTO_AHB_CLK 44
> +#define GCC_CRYPTO_AXI_CLK 45
> +#define GCC_CRYPTO_CLK 46
> +#define GCC_CRYPTO_PPE_CLK 47
> +#define GCC_DCC_CLK 48
> +#define GCC_GEPHY_RX_CLK 53
No holes.
> +#define GCC_GEPHY_TX_CLK 54
> +#define GCC_GMAC0_CFG_CLK 55
> +#define GCC_GMAC0_PTP_CLK 56
> +#define GCC_GMAC0_RX_CLK 57
> +#define GCC_GMAC0_SYS_CLK 58
> +#define GCC_GMAC0_TX_CLK 59
> +#define GCC_GMAC1_CFG_CLK 60
> +#define GCC_GMAC1_PTP_CLK 61
> +#define GCC_GMAC1_RX_CLK 62
> +#define GCC_GMAC1_SYS_CLK 63
> +#define GCC_GMAC1_TX_CLK 64
> +#define GCC_GP1_CLK 65
> +#define GCC_GP2_CLK 66
> +#define GCC_GP3_CLK 67
> +#define GCC_LPASS_CORE_AXIM_CLK 69
Ditto.
> +#define GCC_LPASS_SWAY_CLK 70
> +#define GCC_MDIO0_AHB_CLK 71
> +#define GCC_MDIO1_AHB_CLK 72
> +#define GCC_PCIE0_AHB_CLK 74
> +#define GCC_PCIE0_AUX_CLK 75
> +#define GCC_PCIE0_AXI_M_CLK 76
> +#define GCC_PCIE0_AXI_S_BRIDGE_CLK 77
> +#define GCC_PCIE0_AXI_S_CLK 78
> +#define GCC_PCIE1_AHB_CLK 79
> +#define GCC_PCIE1_AUX_CLK 80
> +#define GCC_PCIE1_AXI_M_CLK 81
> +#define GCC_PCIE1_AXI_S_BRIDGE_CLK 82
> +#define GCC_PCIE1_AXI_S_CLK 83
> +#define GCC_PRNG_AHB_CLK 84
> +#define GCC_Q6_AXIM_CLK 85
> +#define GCC_Q6_AXIM2_CLK 86
> +#define GCC_Q6_AXIS_CLK 87
> +#define GCC_Q6_AHB_CLK 88
> +#define GCC_Q6_AHB_S_CLK 89
> +#define GCC_Q6_TSCTR_1TO2_CLK 90
> +#define GCC_Q6SS_ATBM_CLK 91
> +#define GCC_Q6SS_PCLKDBG_CLK 92
> +#define GCC_Q6SS_TRIG_CLK 93
> +#define GCC_QDSS_AT_CLK 94
> +#define GCC_QDSS_CFG_AHB_CLK 95
> +#define GCC_QDSS_DAP_AHB_CLK 96
> +#define GCC_QDSS_DAP_CLK 97
> +#define GCC_QDSS_ETR_USB_CLK 98
> +#define GCC_QDSS_EUD_AT_CLK 99
> +#define GCC_QDSS_STM_CLK 100
> +#define GCC_QDSS_TRACECLKIN_CLK 101
> +#define GCC_QDSS_TSCTR_DIV8_CLK 102
> +#define GCC_QPIC_AHB_CLK 103
> +#define GCC_QPIC_CLK 104
> +#define GCC_QPIC_IO_MACRO_CLK 105
> +#define GCC_SDCC1_AHB_CLK 107
> +#define GCC_SDCC1_APPS_CLK 108
> +#define GCC_SLEEP_CLK_SRC 109
> +#define GCC_SNOC_GMAC0_AHB_CLK 110
> +#define GCC_SNOC_GMAC0_AXI_CLK 111
> +#define GCC_SNOC_GMAC1_AHB_CLK 112
> +#define GCC_SNOC_GMAC1_AXI_CLK 113
> +#define GCC_SNOC_LPASS_AXIM_CLK 114
> +#define GCC_SNOC_LPASS_SWAY_CLK 115
> +#define GCC_SNOC_UBI0_AXI_CLK 118
Ditto... and in all other places.
> +#define GCC_SYS_NOC_PCIE0_AXI_CLK 119
> +#define GCC_SYS_NOC_PCIE1_AXI_CLK 120
> +#define GCC_SYS_NOC_QDSS_STM_AXI_CLK 121
> +#define GCC_SYS_NOC_USB0_AXI_CLK 123
> +#define GCC_SYS_NOC_WCSS_AHB_CLK 124
> +#define GCC_UBI0_AXI_CLK 128
> +#define GCC_UBI0_CFG_CLK 129
> +#define GCC_UBI0_CORE_CLK 130
> +#define GCC_UBI0_DBG_CLK 131
> +#define GCC_UBI0_NC_AXI_CLK 132
> +#define GCC_UBI0_UTCM_CLK 133
> +#define GCC_UNIPHY_AHB_CLK 134
> +#define GCC_UNIPHY_RX_CLK 135
> +#define GCC_UNIPHY_SYS_CLK 136
> +#define GCC_UNIPHY_TX_CLK 137
> +#define GCC_USB0_AUX_CLK 138
> +#define GCC_USB0_EUD_AT_CLK 139
> +#define GCC_USB0_LFPS_CLK 140
> +#define GCC_USB0_MASTER_CLK 141
> +#define GCC_USB0_MOCK_UTMI_CLK 142
> +#define GCC_USB0_PHY_CFG_AHB_CLK 143
> +#define GCC_USB0_SLEEP_CLK 144
> +#define GCC_WCSS_ACMT_CLK 145
> +#define GCC_WCSS_AHB_S_CLK 146
> +#define GCC_WCSS_AXI_M_CLK 147
> +#define GCC_WCSS_AXI_S_CLK 148
> +#define GCC_WCSS_DBG_IFC_APB_BDG_CLK 149
> +#define GCC_WCSS_DBG_IFC_APB_CLK 150
> +#define GCC_WCSS_DBG_IFC_ATB_BDG_CLK 151
> +#define GCC_WCSS_DBG_IFC_ATB_CLK 152
> +#define GCC_WCSS_DBG_IFC_DAPBUS_BDG_CLK 153
> +#define GCC_WCSS_DBG_IFC_DAPBUS_CLK 154
> +#define GCC_WCSS_DBG_IFC_NTS_BDG_CLK 155
> +#define GCC_WCSS_DBG_IFC_NTS_CLK 156
> +#define GCC_WCSS_ECAHB_CLK 157
> +#define GCC_XO_CLK 158
> +#define GCC_XO_CLK_SRC 159
> +#define GMAC0_RX_CLK_SRC 161
> +#define GMAC0_TX_CLK_SRC 162
> +#define GMAC1_RX_CLK_SRC 163
> +#define GMAC1_TX_CLK_SRC 164
> +#define GMAC_CLK_SRC 165
> +#define GP1_CLK_SRC 166
> +#define GP2_CLK_SRC 167
> +#define GP3_CLK_SRC 168
> +#define LPASS_AXIM_CLK_SRC 169
> +#define LPASS_SWAY_CLK_SRC 170
> +#define PCIE0_AUX_CLK_SRC 171
> +#define PCIE0_AXI_CLK_SRC 172
> +#define PCIE1_AUX_CLK_SRC 173
> +#define PCIE1_AXI_CLK_SRC 174
> +#define PCNOC_BFDCD_CLK_SRC 175
> +#define Q6_AXI_CLK_SRC 176
> +#define QDSS_AT_CLK_SRC 177
> +#define QDSS_STM_CLK_SRC 178
> +#define QDSS_TSCTR_CLK_SRC 179
> +#define QDSS_TRACECLKIN_CLK_SRC 180
> +#define QPIC_IO_MACRO_CLK_SRC 181
> +#define SDCC1_APPS_CLK_SRC 182
> +#define SYSTEM_NOC_BFDCD_CLK_SRC 184
> +#define UBI0_AXI_CLK_SRC 185
> +#define UBI0_CORE_CLK_SRC 186
> +#define USB0_AUX_CLK_SRC 187
> +#define USB0_LFPS_CLK_SRC 188
> +#define USB0_MASTER_CLK_SRC 189
> +#define USB0_MOCK_UTMI_CLK_SRC 190
> +#define WCSS_AHB_CLK_SRC 191
> +#define PCIE0_PIPE_CLK_SRC 192
> +#define PCIE1_PIPE_CLK_SRC 193
> +#define GCC_PCIE0_PIPE_CLK 194
> +#define GCC_PCIE1_PIPE_CLK 195
> +#define USB0_PIPE_CLK_SRC 196
> +#define GCC_USB0_PIPE_CLK 197
> +#define GMAC0_RX_DIV_CLK_SRC 198
> +#define GMAC0_TX_DIV_CLK_SRC 199
> +#define GMAC1_RX_DIV_CLK_SRC 200
> +#define GMAC1_TX_DIV_CLK_SRC 201
> +#define ADSS_PWM_CLK_SRC 202
> +#define GCC_ADSS_PWM_CLK 203
> +#endif
> diff --git a/include/dt-bindings/reset/qcom,gcc-ipq5018.h b/include/dt-bindings/reset/qcom,gcc-ipq5018.h
> new file mode 100644
> index 000000000000..bdbc974cb6ea
> --- /dev/null
> +++ b/include/dt-bindings/reset/qcom,gcc-ipq5018.h
> @@ -0,0 +1,122 @@
> +/* SPDX-License-Identifier: GPL-2.0 */
Dual license
> +/*
> + * Copyright (c) 2017-2021, The Linux Foundation. All rights reserved.
> + */
> +
> +#ifndef _DT_BINDINGS_RESET_IPQ_GCC_5018_H
> +#define _DT_BINDINGS_RESET_IPQ_GCC_5018_H
> +
> +#define GCC_APC0_VOLTAGE_DROOP_DETECTOR_BCR 0
> +#define GCC_BLSP1_BCR 1
> +#define GCC_BLSP1_QUP1_BCR 2
> +#define GCC_BLSP1_QUP2_BCR 3
Such indentation is not Linux coding style. Please drop it.
> +#define GCC_BLSP1_QUP3_BCR 4
> +#define GCC_BLSP1_UART1_BCR 5
> +#define GCC_BLSP1_UART2_BCR 6
> +#define GCC_BOOT_ROM_BCR 7
> +#define GCC_BTSS_BCR 8
Best regards,
Krzysztof
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