[RFC PATCH v2 3/5] dt-bindings: clock: meson: document A1 SoC audio clock controller driver
Jerome Brunet
jbrunet at baylibre.com
Fri Mar 29 05:24:09 PDT 2024
On Thu 28 Mar 2024 at 04:08, Jan Dakinevich <jan.dakinevich at salutedevices.com> wrote:
> Add device tree bindings for A1 SoC audio clock and reset controllers.
>
> Signed-off-by: Jan Dakinevich <jan.dakinevich at salutedevices.com>
> ---
> .../bindings/clock/amlogic,a1-audio-clkc.yaml | 141 ++++++++++++++++++
> .../dt-bindings/clock/amlogic,a1-audio-clkc.h | 122 +++++++++++++++
> .../reset/amlogic,meson-a1-audio-reset.h | 29 ++++
> 3 files changed, 292 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/clock/amlogic,a1-audio-clkc.yaml
> create mode 100644 include/dt-bindings/clock/amlogic,a1-audio-clkc.h
> create mode 100644 include/dt-bindings/reset/amlogic,meson-a1-audio-reset.h
>
> diff --git a/Documentation/devicetree/bindings/clock/amlogic,a1-audio-clkc.yaml b/Documentation/devicetree/bindings/clock/amlogic,a1-audio-clkc.yaml
> new file mode 100644
> index 000000000000..1c9ef3292f3c
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/clock/amlogic,a1-audio-clkc.yaml
> @@ -0,0 +1,141 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/clock/amlogic,a1-audio-clkc.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Amlogic A1 Audio Clock Control Unit and Reset Controller
> +
> +maintainers:
> + - Neil Armstrong <neil.armstrong at linaro.org>
> + - Jerome Brunet <jbrunet at baylibre.com>
> + - Jan Dakinevich <jan.dakinevich at salutedevices.com>
> +
> +properties:
> + compatible:
> + enum:
> + - amlogic,a1-audio-clkc
> + - amlogic,a1-audio2-clkc
> +
> + '#clock-cells':
> + const: 1
> +
> + '#reset-cells':
> + const: 1
> +
> + reg:
> + maxItems: 1
> +
> + clocks:
> + minItems: 6
> + maxItems: 7
> +
> + clock-names:
> + minItems: 6
> + maxItems: 7
> +
> +required:
> + - compatible
> + - '#clock-cells'
> + - reg
> + - clocks
> + - clock-names
> +
> +allOf:
> + - if:
> + properties:
> + compatible:
> + contains:
> + enum:
> + - amlogic,a1-audio-clkc
> + then:
> + properties:
> + clocks:
> + items:
> + - description: input core clock
> + - description: input main peripheral bus clock
> + - description: input dds_in
> + - description: input fixed pll div2
> + - description: input fixed pll div3
> + - description: input hifi_pll
> + - description: input oscillator (usually at 24MHz)
> + clocks-names:
> + items:
> + - const: core
> + - const: pclk
> + - const: dds_in
> + - const: fclk_div2
> + - const: fclk_div3
> + - const: hifi_pll
> + - const: xtal
> + required:
> + - '#reset-cells'
> + else:
> + properties:
> + clocks:
> + items:
> + - description: input main peripheral bus clock
> + - description: input dds_in
> + - description: input fixed pll div2
> + - description: input fixed pll div3
> + - description: input hifi_pll
> + - description: input oscillator (usually at 24MHz)
> + clock-names:
> + items:
> + - const: pclk
> + - const: dds_in
> + - const: fclk_div2
> + - const: fclk_div3
> + - const: hifi_pll
> + - const: xtal
All the optional slave clock inputs are missing from this dcoumentation..
They need to be documentated as well
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + #include <dt-bindings/clock/amlogic,a1-pll-clkc.h>
> + #include <dt-bindings/clock/amlogic,a1-peripherals-clkc.h>
> + #include <dt-bindings/clock/amlogic,a1-audio-clkc.h>
> + audio {
> + #address-cells = <2>;
> + #size-cells = <2>;
> +
> + clkc_audio: audio-clock-controller at fe050000 {
> + compatible = "amlogic,a1-audio-clkc";
> + reg = <0x0 0xfe050000 0x0 0xb0>;
> + #clock-cells = <1>;
> + #reset-cells = <1>;
> + clocks = <&clkc_audio2 AUD2_CLKID_AUDIOTOP>,
> + <&clkc_periphs CLKID_AUDIO>,
> + <&clkc_periphs CLKID_DDS_IN>,
> + <&clkc_pll CLKID_FCLK_DIV2>,
> + <&clkc_pll CLKID_FCLK_DIV3>,
> + <&clkc_pll CLKID_HIFI_PLL>,
> + <&xtal>;
> + clock-names = "core",
> + "pclk",
> + "dds_in",
> + "fclk_div2",
> + "fclk_div3",
> + "hifi_pll",
> + "xtal";
> + };
> +
> + clkc_audio2: audio-clock-controller at fe054800 {
> + compatible = "amlogic,a1-audio2-clkc";
> + reg = <0x0 0xfe054800 0x0 0x20>;
> + #clock-cells = <1>;
> + clocks = <&clkc_periphs CLKID_AUDIO>,
> + <&clkc_periphs CLKID_DDS_IN>,
> + <&clkc_pll CLKID_FCLK_DIV2>,
> + <&clkc_pll CLKID_FCLK_DIV3>,
> + <&clkc_pll CLKID_HIFI_PLL>,
> + <&xtal>;
> + clock-names = "pclk",
> + "dds_in",
> + "fclk_div2",
> + "fclk_div3",
> + "hifi_pll",
> + "xtal";
> + };
> + };
> diff --git a/include/dt-bindings/clock/amlogic,a1-audio-clkc.h b/include/dt-bindings/clock/amlogic,a1-audio-clkc.h
> new file mode 100644
> index 000000000000..b30df3b1ae08
> --- /dev/null
> +++ b/include/dt-bindings/clock/amlogic,a1-audio-clkc.h
> @@ -0,0 +1,122 @@
> +/* SPDX-License-Identifier: (GPL-2.0 OR MIT) */
> +/*
> + * Copyright (c) 2024, SaluteDevices. All Rights Reserved.
> + *
> + * Author: Jan Dakinevich <jan.dakinevich at salutedevices.com>
> + */
> +
> +#ifndef __A1_AUDIO_CLKC_BINDINGS_H
> +#define __A1_AUDIO_CLKC_BINDINGS_H
> +
> +#define AUD_CLKID_DDR_ARB 1
> +#define AUD_CLKID_TDMIN_A 2
> +#define AUD_CLKID_TDMIN_B 3
> +#define AUD_CLKID_TDMIN_LB 4
> +#define AUD_CLKID_LOOPBACK 5
> +#define AUD_CLKID_TDMOUT_A 6
> +#define AUD_CLKID_TDMOUT_B 7
> +#define AUD_CLKID_FRDDR_A 8
> +#define AUD_CLKID_FRDDR_B 9
> +#define AUD_CLKID_TODDR_A 10
> +#define AUD_CLKID_TODDR_B 11
> +#define AUD_CLKID_SPDIFIN 12
> +#define AUD_CLKID_RESAMPLE 13
> +#define AUD_CLKID_EQDRC 14
> +#define AUD_CLKID_LOCKER 15
> +#define AUD_CLKID_MST_A_MCLK_SEL 16
> +#define AUD_CLKID_MST_A_MCLK_DIV 17
> +#define AUD_CLKID_MST_A_MCLK 18
> +#define AUD_CLKID_MST_B_MCLK_SEL 19
> +#define AUD_CLKID_MST_B_MCLK_DIV 20
> +#define AUD_CLKID_MST_B_MCLK 21
> +#define AUD_CLKID_MST_C_MCLK_SEL 22
> +#define AUD_CLKID_MST_C_MCLK_DIV 23
> +#define AUD_CLKID_MST_C_MCLK 24
> +#define AUD_CLKID_MST_D_MCLK_SEL 25
> +#define AUD_CLKID_MST_D_MCLK_DIV 26
> +#define AUD_CLKID_MST_D_MCLK 27
> +#define AUD_CLKID_SPDIFIN_CLK_SEL 28
> +#define AUD_CLKID_SPDIFIN_CLK_DIV 29
> +#define AUD_CLKID_SPDIFIN_CLK 30
> +#define AUD_CLKID_RESAMPLE_CLK_SEL 31
> +#define AUD_CLKID_RESAMPLE_CLK_DIV 32
> +#define AUD_CLKID_RESAMPLE_CLK 33
> +#define AUD_CLKID_LOCKER_IN_CLK_SEL 34
> +#define AUD_CLKID_LOCKER_IN_CLK_DIV 35
> +#define AUD_CLKID_LOCKER_IN_CLK 36
> +#define AUD_CLKID_LOCKER_OUT_CLK_SEL 37
> +#define AUD_CLKID_LOCKER_OUT_CLK_DIV 38
> +#define AUD_CLKID_LOCKER_OUT_CLK 39
> +#define AUD_CLKID_EQDRC_CLK_SEL 40
> +#define AUD_CLKID_EQDRC_CLK_DIV 41
> +#define AUD_CLKID_EQDRC_CLK 42
> +#define AUD_CLKID_MST_A_SCLK_PRE_EN 43
> +#define AUD_CLKID_MST_A_SCLK_DIV 44
> +#define AUD_CLKID_MST_A_SCLK_POST_EN 45
> +#define AUD_CLKID_MST_A_SCLK 46
> +#define AUD_CLKID_MST_B_SCLK_PRE_EN 47
> +#define AUD_CLKID_MST_B_SCLK_DIV 48
> +#define AUD_CLKID_MST_B_SCLK_POST_EN 49
> +#define AUD_CLKID_MST_B_SCLK 50
> +#define AUD_CLKID_MST_C_SCLK_PRE_EN 51
> +#define AUD_CLKID_MST_C_SCLK_DIV 52
> +#define AUD_CLKID_MST_C_SCLK_POST_EN 53
> +#define AUD_CLKID_MST_C_SCLK 54
> +#define AUD_CLKID_MST_D_SCLK_PRE_EN 55
> +#define AUD_CLKID_MST_D_SCLK_DIV 56
> +#define AUD_CLKID_MST_D_SCLK_POST_EN 57
> +#define AUD_CLKID_MST_D_SCLK 58
> +#define AUD_CLKID_MST_A_LRCLK_DIV 59
> +#define AUD_CLKID_MST_A_LRCLK 60
> +#define AUD_CLKID_MST_B_LRCLK_DIV 61
> +#define AUD_CLKID_MST_B_LRCLK 62
> +#define AUD_CLKID_MST_C_LRCLK_DIV 63
> +#define AUD_CLKID_MST_C_LRCLK 64
> +#define AUD_CLKID_MST_D_LRCLK_DIV 65
> +#define AUD_CLKID_MST_D_LRCLK 66
> +#define AUD_CLKID_TDMIN_A_SCLK_SEL 67
> +#define AUD_CLKID_TDMIN_A_SCLK_PRE_EN 68
> +#define AUD_CLKID_TDMIN_A_SCLK_POST_EN 69
> +#define AUD_CLKID_TDMIN_A_SCLK 70
> +#define AUD_CLKID_TDMIN_A_LRCLK 71
> +#define AUD_CLKID_TDMIN_B_SCLK_SEL 72
> +#define AUD_CLKID_TDMIN_B_SCLK_PRE_EN 73
> +#define AUD_CLKID_TDMIN_B_SCLK_POST_EN 74
> +#define AUD_CLKID_TDMIN_B_SCLK 75
> +#define AUD_CLKID_TDMIN_B_LRCLK 76
> +#define AUD_CLKID_TDMIN_LB_SCLK_SEL 77
> +#define AUD_CLKID_TDMIN_LB_SCLK_PRE_EN 78
> +#define AUD_CLKID_TDMIN_LB_SCLK_POST_EN 79
> +#define AUD_CLKID_TDMIN_LB_SCLK 80
> +#define AUD_CLKID_TDMIN_LB_LRCLK 81
> +#define AUD_CLKID_TDMOUT_A_SCLK_SEL 82
> +#define AUD_CLKID_TDMOUT_A_SCLK_PRE_EN 83
> +#define AUD_CLKID_TDMOUT_A_SCLK_POST_EN 84
> +#define AUD_CLKID_TDMOUT_A_SCLK 85
> +#define AUD_CLKID_TDMOUT_A_LRCLK 86
> +#define AUD_CLKID_TDMOUT_B_SCLK_SEL 87
> +#define AUD_CLKID_TDMOUT_B_SCLK_PRE_EN 88
> +#define AUD_CLKID_TDMOUT_B_SCLK_POST_EN 89
> +#define AUD_CLKID_TDMOUT_B_SCLK 90
> +#define AUD_CLKID_TDMOUT_B_LRCLK 91
> +
> +#define AUD2_CLKID_DDR_ARB 1
> +#define AUD2_CLKID_PDM 2
> +#define AUD2_CLKID_TDMIN_VAD 3
> +#define AUD2_CLKID_TODDR_VAD 4
> +#define AUD2_CLKID_VAD 5
> +#define AUD2_CLKID_AUDIOTOP 6
> +#define AUD2_CLKID_VAD_MCLK_SEL 7
> +#define AUD2_CLKID_VAD_MCLK_DIV 8
> +#define AUD2_CLKID_VAD_MCLK 9
> +#define AUD2_CLKID_VAD_CLK_SEL 10
> +#define AUD2_CLKID_VAD_CLK_DIV 11
> +#define AUD2_CLKID_VAD_CLK 12
> +#define AUD2_CLKID_PDM_DCLK_SEL 13
> +#define AUD2_CLKID_PDM_DCLK_DIV 14
> +#define AUD2_CLKID_PDM_DCLK 15
> +#define AUD2_CLKID_PDM_SYSCLK_SEL 16
> +#define AUD2_CLKID_PDM_SYSCLK_DIV 17
> +#define AUD2_CLKID_PDM_SYSCLK 18
> +
> +#endif /* __A1_AUDIO_CLKC_BINDINGS_H */
> diff --git a/include/dt-bindings/reset/amlogic,meson-a1-audio-reset.h b/include/dt-bindings/reset/amlogic,meson-a1-audio-reset.h
> new file mode 100644
> index 000000000000..653fddba1d8f
> --- /dev/null
> +++ b/include/dt-bindings/reset/amlogic,meson-a1-audio-reset.h
> @@ -0,0 +1,29 @@
> +/* SPDX-License-Identifier: (GPL-2.0 OR MIT) */
> +/*
> + * Copyright (c) 2024, SaluteDevices. All Rights Reserved.
> + *
> + * Author: Jan Dakinevich <jan.dakinevich at salutedevices.com>
> + */
> +
> +#ifndef _DT_BINDINGS_AMLOGIC_MESON_A1_AUDIO_RESET_H
> +#define _DT_BINDINGS_AMLOGIC_MESON_A1_AUDIO_RESET_H
> +
> +#define AUD_RESET_DDRARB 0
> +#define AUD_RESET_TDMIN_A 1
> +#define AUD_RESET_TDMIN_B 2
> +#define AUD_RESET_TDMIN_LB 3
> +#define AUD_RESET_LOOPBACK 4
> +#define AUD_RESET_TDMOUT_A 5
> +#define AUD_RESET_TDMOUT_B 6
> +#define AUD_RESET_FRDDR_A 7
> +#define AUD_RESET_FRDDR_B 8
> +#define AUD_RESET_TODDR_A 9
> +#define AUD_RESET_TODDR_B 10
> +#define AUD_RESET_SPDIFIN 11
> +#define AUD_RESET_RESAMPLE 12
> +#define AUD_RESET_EQDRC 13
> +#define AUD_RESET_LOCKER 14
> +#define AUD_RESET_TOACODEC 30
> +#define AUD_RESET_CLKTREE 31
> +
> +#endif /* _DT_BINDINGS_AMLOGIC_MESON_A1_AUDIO_RESET_H */
--
Jerome
More information about the linux-amlogic
mailing list