[PATCH V10 2/4] dt-bindings: clock: document Amlogic S4 SoC peripherals clock controller

Jerome Brunet jbrunet at baylibre.com
Wed Aug 23 01:01:57 PDT 2023


On Tue 22 Aug 2023 at 16:27, Yu Tu <yu.tu at amlogic.com> wrote:

> Add the S4 peripherals clock controller dt-bindings in the S4 SoC
> family.
>
> Signed-off-by: Yu Tu <yu.tu at amlogic.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 at amlogic.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.

You are missing minItems.
Same below

> +
> +  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 at fe000000 {
> +      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 at amlogic.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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