[PATCH v9 3/5] dt-bindings: clock: meson: add A1 PLL clock controller bindings
Jerome Brunet
jbrunet at baylibre.com
Mon Mar 6 03:33:48 PST 2023
On Wed 01 Mar 2023 at 21:37, Dmitry Rokosov <ddrokosov at sberdevices.ru> wrote:
> Add the documentation for Amlogic A1 PLL clock driver, and A1 PLL
> clock controller bindings.
> Also include new A1 clock controller dt bindings to MAINTAINERS.
>
> Signed-off-by: Jian Hu <jian.hu at amlogic.com>
> Signed-off-by: Dmitry Rokosov <ddrokosov at sberdevices.ru>
patch order is wrong.
Bindings before drivers please.
> ---
> .../bindings/clock/amlogic,a1-pll-clkc.yaml | 59 +++++++++++++++++++
> MAINTAINERS | 1 +
> include/dt-bindings/clock/a1-pll-clkc.h | 20 +++++++
> 3 files changed, 80 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/clock/amlogic,a1-pll-clkc.yaml
> create mode 100644 include/dt-bindings/clock/a1-pll-clkc.h
>
> diff --git a/Documentation/devicetree/bindings/clock/amlogic,a1-pll-clkc.yaml b/Documentation/devicetree/bindings/clock/amlogic,a1-pll-clkc.yaml
> new file mode 100644
> index 000000000000..8bd2c948df86
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/clock/amlogic,a1-pll-clkc.yaml
> @@ -0,0 +1,59 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/clock/amlogic,a1-pll-clkc.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Amlogic Meson A/C serials PLL Clock Control Unit
> +
> +maintainers:
> + - Neil Armstrong <neil.armstrong at linaro.org>
> + - Jerome Brunet <jbrunet at baylibre.com>
> + - Jian Hu <jian.hu at jian.hu.com>
> + - Dmitry Rokosov <ddrokosov at sberdevices.ru>
> +
> +properties:
> + compatible:
> + const: amlogic,a1-pll-clkc
> +
> + '#clock-cells':
> + const: 1
> +
> + reg:
> + maxItems: 1
> +
> + clocks:
> + items:
> + - description: input fixpll_in
> + - description: input hifipll_in
> +
> + clock-names:
> + items:
> + - const: fixpll_in
> + - const: hifipll_in
> +
> +required:
> + - compatible
> + - '#clock-cells'
> + - reg
> + - clocks
> + - clock-names
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + #include <dt-bindings/clock/a1-clkc.h>
> + apb {
> + #address-cells = <2>;
> + #size-cells = <2>;
> +
> + clock-controller at 7c80 {
> + compatible = "amlogic,a1-pll-clkc";
> + reg = <0 0x7c80 0 0x18c>;
> + #clock-cells = <1>;
> + clocks = <&clkc_periphs CLKID_FIXPLL_IN>,
> + <&clkc_periphs CLKID_HIFIPLL_IN>;
> + clock-names = "fixpll_in", "hifipll_in";
> + };
> + };
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 39ff1a717625..8438bc9bd636 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -1895,6 +1895,7 @@ L: linux-amlogic at lists.infradead.org
> S: Maintained
> F: Documentation/devicetree/bindings/clock/amlogic*
> F: drivers/clk/meson/
> +F: include/dt-bindings/clock/a1*
> F: include/dt-bindings/clock/gxbb*
> F: include/dt-bindings/clock/meson*
>
> diff --git a/include/dt-bindings/clock/a1-pll-clkc.h b/include/dt-bindings/clock/a1-pll-clkc.h
> new file mode 100644
> index 000000000000..3a559518c6e6
> --- /dev/null
> +++ b/include/dt-bindings/clock/a1-pll-clkc.h
> @@ -0,0 +1,20 @@
> +/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */
> +/*
> + * Copyright (c) 2019 Amlogic, Inc. All rights reserved.
> + * Author: Jian Hu <jian.hu at amlogic.com>
> + *
> + * Copyright (c) 2023, SberDevices. All Rights Reserved.
> + * Author: Dmitry Rokosov <ddrokosov at sberdevices.ru>
> + */
> +
> +#ifndef __A1_PLL_CLKC_H
> +#define __A1_PLL_CLKC_H
> +
> +#define CLKID_FIXED_PLL 1
> +#define CLKID_FCLK_DIV2 6
> +#define CLKID_FCLK_DIV3 7
> +#define CLKID_FCLK_DIV5 8
> +#define CLKID_FCLK_DIV7 9
> +#define CLKID_HIFI_PLL 10
> +
> +#endif /* __A1_PLL_CLKC_H */
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