Re: [PATCH V2 2/8] dt-bindings: arm64: ipq5018: Add binding descriptions for clock and reset

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On 21/06/2022 18:11, Sricharan R wrote:
> From: Varadarajan Narayanan <quic_varada@xxxxxxxxxxx>
> 
> This patch adds support for the global clock controller found on
> the IPQ5018 based devices.
> 
> Co-developed-by: Sricharan R <quic_srichara@xxxxxxxxxxx>
> Signed-off-by: Sricharan R <quic_srichara@xxxxxxxxxxx>
> Signed-off-by: Varadarajan Narayanan <quic_varada@xxxxxxxxxxx>
> ---
>  .../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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