[PATCH v10 1/5] dt-bindings: clock: sophgo: add pll clocks for SG2042
Guo Ren
guoren at kernel.org
Mon Feb 19 17:14:55 PST 2024
On Sun, Feb 18, 2024 at 10:51 AM Chen Wang <unicornxw at gmail.com> wrote:
>
> From: Chen Wang <unicorn_wang at outlook.com>
>
> Add bindings for the pll clocks for Sophgo SG2042.
>
> Signed-off-by: Chen Wang <unicorn_wang at outlook.com>
> Reviewed-by: Rob Herring <robh at kernel.org>
> ---
> .../bindings/clock/sophgo,sg2042-pll.yaml | 45 +++++++++++++++++++
> include/dt-bindings/clock/sophgo,sg2042-pll.h | 14 ++++++
> 2 files changed, 59 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/clock/sophgo,sg2042-pll.yaml
> create mode 100644 include/dt-bindings/clock/sophgo,sg2042-pll.h
>
> diff --git a/Documentation/devicetree/bindings/clock/sophgo,sg2042-pll.yaml b/Documentation/devicetree/bindings/clock/sophgo,sg2042-pll.yaml
> new file mode 100644
> index 000000000000..b9af733e8a73
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/clock/sophgo,sg2042-pll.yaml
> @@ -0,0 +1,45 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/clock/sophgo,sg2042-pll.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Sophgo SG2042 PLL Clock Generator
> +
> +maintainers:
> + - Chen Wang <unicorn_wang at outlook.com>
> +
> +properties:
> + compatible:
> + const: sophgo,sg2042-pll
> +
> + reg:
> + maxItems: 1
> +
> + clocks:
> + items:
> + - description: Oscillator(Clock Generation IC) for Main/Fixed PLL (25 MHz)
> + - description: Oscillator(Clock Generation IC) for DDR PLL 0 (25 MHz)
> + - description: Oscillator(Clock Generation IC) for DDR PLL 1 (25 MHz)
> +
> + '#clock-cells':
> + const: 1
> + description:
> + See <dt-bindings/clock/sophgo,sg2042-pll.h> for valid indices.
> +
> +required:
> + - compatible
> + - reg
> + - clocks
> + - '#clock-cells'
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + clock-controller at 10000000 {
> + compatible = "sophgo,sg2042-pll";
> + reg = <0x10000000 0x10000>;
> + clocks = <&cgi_main>, <&cgi_dpll0>, <&cgi_dpll1>;
> + #clock-cells = <1>;
> + };
> diff --git a/include/dt-bindings/clock/sophgo,sg2042-pll.h b/include/dt-bindings/clock/sophgo,sg2042-pll.h
> new file mode 100644
> index 000000000000..2d519b3bf51c
> --- /dev/null
> +++ b/include/dt-bindings/clock/sophgo,sg2042-pll.h
> @@ -0,0 +1,14 @@
> +/* SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause */
> +/*
> + * Copyright (C) 2023 Sophgo Technology Inc. All rights reserved.
> + */
> +
> +#ifndef __DT_BINDINGS_SOPHGO_SG2042_PLL_H__
> +#define __DT_BINDINGS_SOPHGO_SG2042_PLL_H__
> +
> +#define MPLL_CLK 0
> +#define FPLL_CLK 1
> +#define DPLL0_CLK 2
> +#define DPLL1_CLK 3
> +
> +#endif /* __DT_BINDINGS_SOPHGO_SG2042_PLL_H__ */
> --
> 2.25.1
>
Reviewed-by: Guo Ren <guoren at kernel.org>
--
Best Regards
Guo Ren
More information about the linux-riscv
mailing list