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Message-ID: <3fa20b2f-c87f-1896-7d6d-a72b5e8aa6ba@amlogic.com>
Date: Wed, 23 Aug 2023 16:32:23 +0800
From: Yu Tu <yu.tu@...ogic.com>
To: Jerome Brunet <jbrunet@...libre.com>, linux-clk@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org,
linux-amlogic@...ts.infradead.org, linux-kernel@...r.kernel.org,
devicetree@...r.kernel.org, Rob Herring <robh+dt@...nel.org>,
Neil Armstrong <neil.armstrong@...aro.org>,
Kevin Hilman <khilman@...libre.com>,
Michael Turquette <mturquette@...libre.com>,
Stephen Boyd <sboyd@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>,
Martin Blumenstingl <martin.blumenstingl@...glemail.com>
Cc: kelvin.zhang@...ogic.com, qi.duan@...ogic.com
Subject: Re: [PATCH V10 2/4] dt-bindings: clock: document Amlogic S4 SoC
peripherals clock controller
On 2023/8/23 16:01, Jerome Brunet wrote:
> [ EXTERNAL EMAIL ]
>
> On Tue 22 Aug 2023 at 16:27, Yu Tu <yu.tu@...ogic.com> wrote:
>
>> Add the S4 peripherals clock controller dt-bindings in the S4 SoC
>> family.
>>
>> Signed-off-by: Yu Tu <yu.tu@...ogic.com>
>> ---
>> .../clock/amlogic,s4-peripherals-clkc.yaml | 96 +++++++
>> .../clock/amlogic,s4-peripherals-clkc.h | 236 ++++++++++++++++++
>> 2 files changed, 332 insertions(+)
>> create mode 100644 Documentation/devicetree/bindings/clock/amlogic,s4-peripherals-clkc.yaml
>> create mode 100644 include/dt-bindings/clock/amlogic,s4-peripherals-clkc.h
>>
>> diff --git a/Documentation/devicetree/bindings/clock/amlogic,s4-peripherals-clkc.yaml b/Documentation/devicetree/bindings/clock/amlogic,s4-peripherals-clkc.yaml
>> new file mode 100644
>> index 000000000000..e166563e7b14
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/clock/amlogic,s4-peripherals-clkc.yaml
>> @@ -0,0 +1,96 @@
>> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
>> +# Copyright (C) 2022-2023 Amlogic, Inc. All rights reserved
>> +%YAML 1.2
>> +---
>> +$id: http://devicetree.org/schemas/clock/amlogic,s4-peripherals-clkc.yaml#
>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>> +
>> +title: Amlogic S4 Peripherals Clock Controller
>> +
>> +maintainers:
>> + - Yu Tu <yu.tu@...ogic.com>
>> +
>> +properties:
>> + compatible:
>> + const: amlogic,s4-peripherals-clkc
>> +
>> + reg:
>> + maxItems: 1
>> +
>> + clocks:
>> + items:
>> + - description: input fixed pll div2
>> + - description: input fixed pll div2p5
>> + - description: input fixed pll div3
>> + - description: input fixed pll div4
>> + - description: input fixed pll div5
>> + - description: input fixed pll div7
>> + - description: input hifi pll
>> + - description: input gp0 pll
>> + - description: input mpll0
>> + - description: input mpll1
>> + - description: input mpll2
>> + - description: input mpll3
>> + - description: input hdmi pll
>> + - description: input oscillator (usually at 24MHz)
>> + - description: input external 32kHz reference (optional)
>
> The bindings described here does not make this last clock optional, but
> requires it. This is going to be a problem since most platforms won't
> have this clock.
Hi Jerome,
Do you mean that we can delete the description of "external 32kHz",
because we hardly use it?
>
> You are missing minItems.
> Same below
I will add it in next version.
>
>> +
>> + clock-names:
>> + items:
>> + - const: fclk_div2
>> + - const: fclk_div2p5
>> + - const: fclk_div3
>> + - const: fclk_div4
>> + - const: fclk_div5
>> + - const: fclk_div7
>> + - const: hifi_pll
>> + - const: gp0_pll
>> + - const: mpll0
>> + - const: mpll1
>> + - const: mpll2
>> + - const: mpll3
>> + - const: hdmi_pll
>> + - const: xtal
>> + - const: ext_32k
>> +
>> + "#clock-cells":
>> + const: 1
>> +
>> +required:
>> + - compatible
>> + - reg
>> + - clocks
>> + - clock-names
>> + - "#clock-cells"
>> +
>> +additionalProperties: false
>> +
>> +examples:
>> + - |
>> + #include <dt-bindings/clock/amlogic,s4-peripherals-clkc.h>
>> +
>> + clkc_periphs: clock-controller@...00000 {
>> + compatible = "amlogic,s4-peripherals-clkc";
>> + reg = <0xfe000000 0x49c>;
>> + clocks = <&clkc_pll 3>,
>> + <&clkc_pll 13>,
>> + <&clkc_pll 5>,
>> + <&clkc_pll 7>,
>> + <&clkc_pll 9>,
>> + <&clkc_pll 11>,
>> + <&clkc_pll 17>,
>> + <&clkc_pll 15>,
>> + <&clkc_pll 25>,
>> + <&clkc_pll 27>,
>> + <&clkc_pll 29>,
>> + <&clkc_pll 31>,
>> + <&clkc_pll 20>,
>> + <&xtal>,
>> + <&ext_32k>;
>> + clock-names = "fclk_div2", "fclk_div2p5", "fclk_div3", "fclk_div4",
>> + "fclk_div5", "fclk_div7", "hifi_pll", "gp0_pll",
>> + "mpll0", "mpll1", "mpll2", "mpll3", "hdmi_pll", "xtal",
>> + "ext_32k";
>> + #clock-cells = <1>;
>> + };
>> +...
>> diff --git a/include/dt-bindings/clock/amlogic,s4-peripherals-clkc.h b/include/dt-bindings/clock/amlogic,s4-peripherals-clkc.h
>> new file mode 100644
>> index 000000000000..861a331963ac
>> --- /dev/null
>> +++ b/include/dt-bindings/clock/amlogic,s4-peripherals-clkc.h
>> @@ -0,0 +1,236 @@
>> +/* SPDX-License-Identifier: (GPL-2.0-only OR MIT) */
>> +/*
>> + * Copyright (c) 2022-2023 Amlogic, Inc. All rights reserved.
>> + * Author: Yu Tu <yu.tu@...ogic.com>
>> + */
>> +
>> +#ifndef _DT_BINDINGS_CLOCK_AMLOGIC_S4_PERIPHERALS_CLKC_H
>> +#define _DT_BINDINGS_CLOCK_AMLOGIC_S4_PERIPHERALS_CLKC_H
>> +
>> +#define CLKID_RTC_32K_CLKIN 0
>> +#define CLKID_RTC_32K_DIV 1
>> +#define CLKID_RTC_32K_SEL 2
>> +#define CLKID_RTC_32K_XATL 3
>> +#define CLKID_RTC 4
>> +#define CLKID_SYS_CLK_B_SEL 5
>> +#define CLKID_SYS_CLK_B_DIV 6
>> +#define CLKID_SYS_CLK_B 7
>> +#define CLKID_SYS_CLK_A_SEL 8
>> +#define CLKID_SYS_CLK_A_DIV 9
>> +#define CLKID_SYS_CLK_A 10
>> +#define CLKID_SYS 11
>> +#define CLKID_CECA_32K_CLKIN 12
>> +#define CLKID_CECA_32K_DIV 13
>> +#define CLKID_CECA_32K_SEL_PRE 14
>> +#define CLKID_CECA_32K_SEL 15
>> +#define CLKID_CECA_32K_CLKOUT 16
>> +#define CLKID_CECB_32K_CLKIN 17
>> +#define CLKID_CECB_32K_DIV 18
>> +#define CLKID_CECB_32K_SEL_PRE 19
>> +#define CLKID_CECB_32K_SEL 20
>> +#define CLKID_CECB_32K_CLKOUT 21
>> +#define CLKID_SC_CLK_SEL 22
>> +#define CLKID_SC_CLK_DIV 23
>> +#define CLKID_SC 24
>> +#define CLKID_12_24M 25
>> +#define CLKID_12M_CLK_DIV 26
>> +#define CLKID_12_24M_CLK_SEL 27
>> +#define CLKID_VID_PLL_DIV 28
>> +#define CLKID_VID_PLL_SEL 29
>> +#define CLKID_VID_PLL 30
>> +#define CLKID_VCLK_SEL 31
>> +#define CLKID_VCLK2_SEL 32
>> +#define CLKID_VCLK_INPUT 33
>> +#define CLKID_VCLK2_INPUT 34
>> +#define CLKID_VCLK_DIV 35
>> +#define CLKID_VCLK2_DIV 36
>> +#define CLKID_VCLK 37
>> +#define CLKID_VCLK2 38
>> +#define CLKID_VCLK_DIV1 39
>> +#define CLKID_VCLK_DIV2_EN 40
>> +#define CLKID_VCLK_DIV4_EN 41
>> +#define CLKID_VCLK_DIV6_EN 42
>> +#define CLKID_VCLK_DIV12_EN 43
>> +#define CLKID_VCLK2_DIV1 44
>> +#define CLKID_VCLK2_DIV2_EN 45
>> +#define CLKID_VCLK2_DIV4_EN 46
>> +#define CLKID_VCLK2_DIV6_EN 47
>> +#define CLKID_VCLK2_DIV12_EN 48
>> +#define CLKID_VCLK_DIV2 49
>> +#define CLKID_VCLK_DIV4 50
>> +#define CLKID_VCLK_DIV6 51
>> +#define CLKID_VCLK_DIV12 52
>> +#define CLKID_VCLK2_DIV2 53
>> +#define CLKID_VCLK2_DIV4 54
>> +#define CLKID_VCLK2_DIV6 55
>> +#define CLKID_VCLK2_DIV12 56
>> +#define CLKID_CTS_ENCI_SEL 57
>> +#define CLKID_CTS_ENCP_SEL 58
>> +#define CLKID_CTS_VDAC_SEL 59
>> +#define CLKID_HDMI_TX_SEL 60
>> +#define CLKID_CTS_ENCI 61
>> +#define CLKID_CTS_ENCP 62
>> +#define CLKID_CTS_VDAC 63
>> +#define CLKID_HDMI_TX 64
>> +#define CLKID_HDMI_SEL 65
>> +#define CLKID_HDMI_DIV 66
>> +#define CLKID_HDMI 67
>> +#define CLKID_TS_CLK_DIV 68
>> +#define CLKID_TS 69
>> +#define CLKID_MALI_0_SEL 70
>> +#define CLKID_MALI_0_DIV 71
>> +#define CLKID_MALI_0 72
>> +#define CLKID_MALI_1_SEL 73
>> +#define CLKID_MALI_1_DIV 74
>> +#define CLKID_MALI_1 75
>> +#define CLKID_MALI_SEL 76
>> +#define CLKID_VDEC_P0_SEL 77
>> +#define CLKID_VDEC_P0_DIV 78
>> +#define CLKID_VDEC_P0 79
>> +#define CLKID_VDEC_P1_SEL 80
>> +#define CLKID_VDEC_P1_DIV 81
>> +#define CLKID_VDEC_P1 82
>> +#define CLKID_VDEC_SEL 83
>> +#define CLKID_HEVCF_P0_SEL 84
>> +#define CLKID_HEVCF_P0_DIV 85
>> +#define CLKID_HEVCF_P0 86
>> +#define CLKID_HEVCF_P1_SEL 87
>> +#define CLKID_HEVCF_P1_DIV 88
>> +#define CLKID_HEVCF_P1 89
>> +#define CLKID_HEVCF_SEL 90
>> +#define CLKID_VPU_0_SEL 91
>> +#define CLKID_VPU_0_DIV 92
>> +#define CLKID_VPU_0 93
>> +#define CLKID_VPU_1_SEL 94
>> +#define CLKID_VPU_1_DIV 95
>> +#define CLKID_VPU_1 96
>> +#define CLKID_VPU 97
>> +#define CLKID_VPU_CLKB_TMP_SEL 98
>> +#define CLKID_VPU_CLKB_TMP_DIV 99
>> +#define CLKID_VPU_CLKB_TMP 100
>> +#define CLKID_VPU_CLKB_DIV 101
>> +#define CLKID_VPU_CLKB 102
>> +#define CLKID_VPU_CLKC_P0_SEL 103
>> +#define CLKID_VPU_CLKC_P0_DIV 104
>> +#define CLKID_VPU_CLKC_P0 105
>> +#define CLKID_VPU_CLKC_P1_SEL 106
>> +#define CLKID_VPU_CLKC_P1_DIV 107
>> +#define CLKID_VPU_CLKC_P1 108
>> +#define CLKID_VPU_CLKC_SEL 109
>> +#define CLKID_VAPB_0_SEL 110
>> +#define CLKID_VAPB_0_DIV 111
>> +#define CLKID_VAPB_0 112
>> +#define CLKID_VAPB_1_SEL 113
>> +#define CLKID_VAPB_1_DIV 114
>> +#define CLKID_VAPB_1 115
>> +#define CLKID_VAPB 116
>> +#define CLKID_GE2D 117
>> +#define CLKID_VDIN_MEAS_SEL 118
>> +#define CLKID_VDIN_MEAS_DIV 119
>> +#define CLKID_VDIN_MEAS 120
>> +#define CLKID_SD_EMMC_C_CLK_SEL 121
>> +#define CLKID_SD_EMMC_C_CLK_DIV 122
>> +#define CLKID_SD_EMMC_C 123
>> +#define CLKID_SD_EMMC_A_CLK_SEL 124
>> +#define CLKID_SD_EMMC_A_CLK_DIV 125
>> +#define CLKID_SD_EMMC_A 126
>> +#define CLKID_SD_EMMC_B_CLK_SEL 127
>> +#define CLKID_SD_EMMC_B_CLK_DIV 128
>> +#define CLKID_SD_EMMC_B 129
>> +#define CLKID_SPICC0_SEL 130
>> +#define CLKID_SPICC0_DIV 131
>> +#define CLKID_SPICC0_EN 132
>> +#define CLKID_PWM_A_SEL 133
>> +#define CLKID_PWM_A_DIV 134
>> +#define CLKID_PWM_A 135
>> +#define CLKID_PWM_B_SEL 136
>> +#define CLKID_PWM_B_DIV 137
>> +#define CLKID_PWM_B 138
>> +#define CLKID_PWM_C_SEL 139
>> +#define CLKID_PWM_C_DIV 140
>> +#define CLKID_PWM_C 141
>> +#define CLKID_PWM_D_SEL 142
>> +#define CLKID_PWM_D_DIV 143
>> +#define CLKID_PWM_D 144
>> +#define CLKID_PWM_E_SEL 145
>> +#define CLKID_PWM_E_DIV 146
>> +#define CLKID_PWM_E 147
>> +#define CLKID_PWM_F_SEL 148
>> +#define CLKID_PWM_F_DIV 149
>> +#define CLKID_PWM_F 150
>> +#define CLKID_PWM_G_SEL 151
>> +#define CLKID_PWM_G_DIV 152
>> +#define CLKID_PWM_G 153
>> +#define CLKID_PWM_H_SEL 154
>> +#define CLKID_PWM_H_DIV 155
>> +#define CLKID_PWM_H 156
>> +#define CLKID_PWM_I_SEL 157
>> +#define CLKID_PWM_I_DIV 158
>> +#define CLKID_PWM_I 159
>> +#define CLKID_PWM_J_SEL 160
>> +#define CLKID_PWM_J_DIV 161
>> +#define CLKID_PWM_J 162
>> +#define CLKID_SARADC_SEL 163
>> +#define CLKID_SARADC_DIV 164
>> +#define CLKID_SARADC 165
>> +#define CLKID_GEN_SEL 166
>> +#define CLKID_GEN_DIV 167
>> +#define CLKID_GEN 168
>> +#define CLKID_DDR 169
>> +#define CLKID_DOS 170
>> +#define CLKID_ETHPHY 171
>> +#define CLKID_MALI 172
>> +#define CLKID_AOCPU 173
>> +#define CLKID_AUCPU 174
>> +#define CLKID_CEC 175
>> +#define CLKID_SDEMMC_A 176
>> +#define CLKID_SDEMMC_B 177
>> +#define CLKID_NAND 178
>> +#define CLKID_SMARTCARD 179
>> +#define CLKID_ACODEC 180
>> +#define CLKID_SPIFC 181
>> +#define CLKID_MSR 182
>> +#define CLKID_IR_CTRL 183
>> +#define CLKID_AUDIO 184
>> +#define CLKID_ETH 185
>> +#define CLKID_UART_A 186
>> +#define CLKID_UART_B 187
>> +#define CLKID_UART_C 188
>> +#define CLKID_UART_D 189
>> +#define CLKID_UART_E 190
>> +#define CLKID_AIFIFO 191
>> +#define CLKID_TS_DDR 192
>> +#define CLKID_TS_PLL 193
>> +#define CLKID_G2D 194
>> +#define CLKID_SPICC0 195
>> +#define CLKID_SPICC1 196
>> +#define CLKID_USB 197
>> +#define CLKID_I2C_M_A 198
>> +#define CLKID_I2C_M_B 199
>> +#define CLKID_I2C_M_C 200
>> +#define CLKID_I2C_M_D 201
>> +#define CLKID_I2C_M_E 202
>> +#define CLKID_HDMITX_APB 203
>> +#define CLKID_I2C_S_A 204
>> +#define CLKID_USB1_TO_DDR 205
>> +#define CLKID_HDCP22 206
>> +#define CLKID_MMC_APB 207
>> +#define CLKID_RSA 208
>> +#define CLKID_CPU_DEBUG 209
>> +#define CLKID_VPU_INTR 210
>> +#define CLKID_DEMOD 211
>> +#define CLKID_SAR_ADC 212
>> +#define CLKID_GIC 213
>> +#define CLKID_PWM_AB 214
>> +#define CLKID_PWM_CD 215
>> +#define CLKID_PWM_EF 216
>> +#define CLKID_PWM_GH 217
>> +#define CLKID_PWM_IJ 218
>> +#define CLKID_HDCP22_ESMCLK_SEL 219
>> +#define CLKID_HDCP22_ESMCLK_DIV 220
>> +#define CLKID_HDCP22_ESMCLK 221
>> +#define CLKID_HDCP22_SKPCLK_SEL 222
>> +#define CLKID_HDCP22_SKPCLK_DIV 223
>> +#define CLKID_HDCP22_SKPCLK 224
>> +
>> +#endif /* _DT_BINDINGS_CLOCK_AMLOGIC_S4_PERIPHERALS_CLKC_H */
>
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