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Message-ID: <1jmshntfty.fsf@starbuckisacylon.baylibre.com>
Date: Mon, 25 Nov 2024 17:53:45 +0100
From: Jerome Brunet <jbrunet@...libre.com>
To: Xianwei Zhao via B4 Relay <devnull+xianwei.zhao.amlogic.com@...nel.org>
Cc: Neil Armstrong <neil.armstrong@...aro.org>, Michael Turquette
<mturquette@...libre.com>, Stephen Boyd <sboyd@...nel.org>, Rob Herring
<robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor
Dooley <conor+dt@...nel.org>, Chuan Liu <chuan.liu@...ogic.com>, Kevin
Hilman <khilman@...libre.com>, Martin Blumenstingl
<martin.blumenstingl@...glemail.com>, xianwei.zhao@...ogic.com,
linux-amlogic@...ts.infradead.org, linux-clk@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v2 3/5] dt-bindings: clock: add Amlogic A5 peripherals
clock controller
On Wed 20 Nov 2024 at 15:01, Xianwei Zhao via B4 Relay <devnull+xianwei.zhao.amlogic.com@...nel.org> wrote:
> From: Chuan Liu <chuan.liu@...ogic.com>
>
> Add the peripherals clock controller dt-bindings for Amlogic A5 SoC family.
>
> Signed-off-by: Chuan Liu <chuan.liu@...ogic.com>
> Reviewed-by: Rob Herring (Arm) <robh@...nel.org>
> Signed-off-by: Xianwei Zhao <xianwei.zhao@...ogic.com>
> ---
> .../clock/amlogic,a5-peripherals-clkc.yaml | 130 ++++++++++++++++++++
> .../clock/amlogic,a5-peripherals-clkc.h | 132 +++++++++++++++++++++
> 2 files changed, 262 insertions(+)
>
> diff --git
> a/Documentation/devicetree/bindings/clock/amlogic,a5-peripherals-clkc.yaml
> b/Documentation/devicetree/bindings/clock/amlogic,a5-peripherals-clkc.yaml
> new file mode 100644
> index 000000000000..0f15e104fd12
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/clock/amlogic,a5-peripherals-clkc.yaml
> @@ -0,0 +1,130 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +# Copyright (C) 2024 Amlogic, Inc. All rights reserved
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/clock/amlogic,a5-peripherals-clkc.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Amlogic A5 series Peripheral Clock Controller
> +
> +maintainers:
> + - Xianwei Zhao <xianwei.zhao@...ogic.com>
> + - Chuan Liu <chuan.liu@...ogic.com>
> +
> +properties:
> + compatible:
> + const: amlogic,a5-peripherals-clkc
> +
> + reg:
> + maxItems: 1
> +
> + clocks:
> + minItems: 18
> + items:
> + - description: input oscillator (usually at 24MHz)
> + - description: input oscillators multiplexer
> + - description: input fix pll
> + - description: input fclk div 2
> + - description: input fclk div 2p5
> + - description: input fclk div 3
> + - description: input fclk div 4
> + - description: input fclk div 5
> + - description: input fclk div 7
> + - description: input mpll2
> + - description: input mpll3
> + - description: input gp0 pll
> + - description: input gp1 pll
> + - description: input hifi pll
> + - description: input sys clk
> + - description: input axi clk
> + - description: input sys pll div 16
> + - description: input cpu clk div 16
> + - description: input pad clock for rtc clk (optional)
> + - description: input ddr pll (optional)
> + - description: input source from clk-measure (optional)
> +
> + clock-names:
> + minItems: 18
> + items:
> + - const: xtal_24m
You should not mention the rate here. xtal is fine.
> + - const: oscin
> + - const: fix
> + - const: fdiv2
> + - const: fdiv2p5
> + - const: fdiv3
> + - const: fdiv4
> + - const: fdiv5
> + - const: fdiv7
> + - const: mpll2
> + - const: mpll3
> + - const: gp0
> + - const: gp1
> + - const: hifi
> + - const: sysclk
> + - const: axiclk
> + - const: sysplldiv16
> + - const: cpudiv16
> + - const: pad_osc
> + - const: ddr
> + - const: clkmsr
> +
> + "#clock-cells":
> + const: 1
> +
> +required:
> + - compatible
> + - reg
> + - clocks
> + - clock-names
> + - "#clock-cells"
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + apb {
> + #address-cells = <2>;
> + #size-cells = <2>;
> +
> + clock-controller@0 {
> + compatible = "amlogic,a5-peripherals-clkc";
> + reg = <0x0 0x0 0x0 0x224>;
> + #clock-cells = <1>;
> + clocks = <&xtal_24m>,
> + <&scmi_clk 0>,
> + <&scmi_clk 7>,
> + <&scmi_clk 15>,
> + <&scmi_clk 17>,
> + <&scmi_clk 19>,
> + <&scmi_clk 21>,
> + <&scmi_clk 23>,
> + <&scmi_clk 25>,
> + <&clkc_pll 6>,
> + <&clkc_pll 8>,
> + <&clkc_pll 10>,
> + <&scmi_clk 5>,
> + <&clkc_pll 12>,
> + <&scmi_clk 1>,
> + <&scmi_clk 2>,
> + <&scmi_clk 9>,
> + <&scmi_clk 10>;
> + clock-names = "xtal_24m",
> + "oscin",
> + "fix",
> + "fdiv2",
> + "fdiv2p5",
> + "fdiv3",
> + "fdiv4",
> + "fdiv5",
> + "fdiv7",
> + "mpll2",
> + "mpll3",
> + "gp0",
> + "gp1",
> + "hifi",
> + "sysclk",
> + "axiclk",
> + "sysplldiv16",
> + "cpudiv16";
> + };
> + };
> diff --git a/include/dt-bindings/clock/amlogic,a5-peripherals-clkc.h b/include/dt-bindings/clock/amlogic,a5-peripherals-clkc.h
> new file mode 100644
> index 000000000000..74e740ebe6bd
> --- /dev/null
> +++ b/include/dt-bindings/clock/amlogic,a5-peripherals-clkc.h
> @@ -0,0 +1,132 @@
> +/* SPDX-License-Identifier: (GPL-2.0-only OR MIT) */
> +/*
> + * Copyright (c) 2024 Amlogic, Inc. All rights reserved.
> + * Author: Chuan Liu <chuan.liu@...ogic.com>
> + */
> +
> +#ifndef _DT_BINDINGS_CLOCK_AMLOGIC_A5_PERIPHERALS_CLKC_H
> +#define _DT_BINDINGS_CLOCK_AMLOGIC_A5_PERIPHERALS_CLKC_H
> +
> +#define CLKID_RTC_XTAL_CLKIN 0
> +#define CLKID_RTC_32K_DIV 1
> +#define CLKID_RTC_32K_MUX 2
> +#define CLKID_RTC_32K 3
> +#define CLKID_RTC_CLK 4
> +#define CLKID_SYS_RESET_CTRL 5
> +#define CLKID_SYS_PWR_CTRL 6
> +#define CLKID_SYS_PAD_CTRL 7
> +#define CLKID_SYS_CTRL 8
> +#define CLKID_SYS_TS_PLL 9
> +#define CLKID_SYS_DEV_ARB 10
> +#define CLKID_SYS_MAILBOX 11
> +#define CLKID_SYS_JTAG_CTRL 12
> +#define CLKID_SYS_IR_CTRL 13
> +#define CLKID_SYS_MSR_CLK 14
> +#define CLKID_SYS_ROM 15
> +#define CLKID_SYS_CPU_ARB 16
> +#define CLKID_SYS_RSA 17
> +#define CLKID_SYS_SAR_ADC 18
> +#define CLKID_SYS_STARTUP 19
> +#define CLKID_SYS_SECURE 20
> +#define CLKID_SYS_SPIFC 21
> +#define CLKID_SYS_DSPA 22
> +#define CLKID_SYS_NNA 23
> +#define CLKID_SYS_ETH_MAC 24
> +#define CLKID_SYS_RAMA 25
> +#define CLKID_SYS_RAMB 26
> +#define CLKID_SYS_AUDIO_TOP 27
> +#define CLKID_SYS_AUDIO_VAD 28
> +#define CLKID_SYS_USB 29
> +#define CLKID_SYS_SD_EMMC_A 30
> +#define CLKID_SYS_SD_EMMC_C 31
> +#define CLKID_SYS_PWM_AB 32
> +#define CLKID_SYS_PWM_CD 33
> +#define CLKID_SYS_PWM_EF 34
> +#define CLKID_SYS_PWM_GH 35
> +#define CLKID_SYS_SPICC_1 36
> +#define CLKID_SYS_SPICC_0 37
> +#define CLKID_SYS_UART_A 38
> +#define CLKID_SYS_UART_B 39
> +#define CLKID_SYS_UART_C 40
> +#define CLKID_SYS_UART_D 41
> +#define CLKID_SYS_UART_E 42
> +#define CLKID_SYS_I2C_M_A 43
> +#define CLKID_SYS_I2C_M_B 44
> +#define CLKID_SYS_I2C_M_C 45
> +#define CLKID_SYS_I2C_M_D 46
> +#define CLKID_SYS_RTC 47
> +#define CLKID_AXI_AUDIO_VAD 48
> +#define CLKID_AXI_AUDIO_TOP 49
> +#define CLKID_AXI_RAMB 50
> +#define CLKID_AXI_RAMA 51
> +#define CLKID_AXI_NNA 52
> +#define CLKID_AXI_DEV1_DMC 53
> +#define CLKID_AXI_DEV0_DMC 54
> +#define CLKID_AXI_DSP_DMC 55
> +#define CLKID_12_24M_IN 56
> +#define CLKID_12M_24M 57
> +#define CLKID_FCLK_25M_DIV 58
> +#define CLKID_FCLK_25M 59
> +#define CLKID_GEN_SEL 60
> +#define CLKID_GEN_DIV 61
> +#define CLKID_GEN 62
> +#define CLKID_SARADC_SEL 63
> +#define CLKID_SARADC_DIV 64
> +#define CLKID_SARADC 65
> +#define CLKID_PWM_A_SEL 66
> +#define CLKID_PWM_A_DIV 67
> +#define CLKID_PWM_A 68
> +#define CLKID_PWM_B_SEL 69
> +#define CLKID_PWM_B_DIV 70
> +#define CLKID_PWM_B 71
> +#define CLKID_PWM_C_SEL 72
> +#define CLKID_PWM_C_DIV 73
> +#define CLKID_PWM_C 74
> +#define CLKID_PWM_D_SEL 75
> +#define CLKID_PWM_D_DIV 76
> +#define CLKID_PWM_D 77
> +#define CLKID_PWM_E_SEL 78
> +#define CLKID_PWM_E_DIV 79
> +#define CLKID_PWM_E 80
> +#define CLKID_PWM_F_SEL 81
> +#define CLKID_PWM_F_DIV 82
> +#define CLKID_PWM_F 83
> +#define CLKID_PWM_G_SEL 84
> +#define CLKID_PWM_G_DIV 85
> +#define CLKID_PWM_G 86
> +#define CLKID_PWM_H_SEL 87
> +#define CLKID_PWM_H_DIV 88
> +#define CLKID_PWM_H 89
> +#define CLKID_SPICC_0_SEL 90
> +#define CLKID_SPICC_0_DIV 91
> +#define CLKID_SPICC_0 92
> +#define CLKID_SPICC_1_SEL 93
> +#define CLKID_SPICC_1_DIV 94
> +#define CLKID_SPICC_1 95
> +#define CLKID_SD_EMMC_A_SEL 96
> +#define CLKID_SD_EMMC_A_DIV 97
> +#define CLKID_SD_EMMC_A 98
> +#define CLKID_SD_EMMC_C_SEL 99
> +#define CLKID_SD_EMMC_C_DIV 100
> +#define CLKID_SD_EMMC_C 101
> +#define CLKID_TS_DIV 102
> +#define CLKID_TS 103
> +#define CLKID_ETH_125M_DIV 104
> +#define CLKID_ETH_125M 105
> +#define CLKID_ETH_RMII_DIV 106
> +#define CLKID_ETH_RMII 107
> +#define CLKID_DSPA_0_SEL 108
> +#define CLKID_DSPA_0_DIV 109
> +#define CLKID_DSPA_0 110
> +#define CLKID_DSPA_1_SEL 111
> +#define CLKID_DSPA_1_DIV 112
> +#define CLKID_DSPA_1 113
> +#define CLKID_DSPA 114
> +#define CLKID_NNA_CORE_SEL 115
> +#define CLKID_NNA_CORE_DIV 116
> +#define CLKID_NNA_CORE 117
> +#define CLKID_NNA_AXI_SEL 118
> +#define CLKID_NNA_AXI_DIV 119
> +#define CLKID_NNA_AXI 120
> +
> +#endif /* _DT_BINDINGS_CLOCK_AMLOGIC_A5_PERIPHERALS_CLKC_H */
--
Jerome
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