Re: [PATCH V2 1/4] dt-bindings: clock: add Amlogic C3 PLL clock controller bindings

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On Wed 11 Oct 2023 at 10:50, Xianwei Zhao <xianwei.zhao@xxxxxxxxxxx> wrote:

> Hi Rob,
>     Thanks for your advise.
>
> On 2023/10/10 21:21, Rob Herring wrote:
>> [ EXTERNAL EMAIL ]
>> On Tue, Oct 10, 2023 at 02:29:14PM +0800, Xianwei Zhao wrote:
>>> Add the C3 PLL clock controller dt-bindings for Amlogic C3 SoC family
>>>
>>> Signed-off-by: Xianwei Zhao <xianwei.zhao@xxxxxxxxxxx>
>>> ---
>>> V1 -> V2: Fix errors when check dtbinding use "make dt_binding_check"
>> Your patches aren't bisectable. It's fine if you want to combine patch 1
>> and 2 into 1 patch. Or just use the raw numbers here instead of the
>> header.
>> 
> I will combine patch 1 and 2 into 1 patch in V3.

I'd prefer if you used raw ids or even fake node for the example, like
<&pll_in> and <&mpll_in> for readability, rather than combining the patches

>>> ---
>>>   .../bindings/clock/amlogic,c3-pll-clkc.yaml   | 59 +++++++++++++++++++
>>>   .../dt-bindings/clock/amlogic,c3-pll-clkc.h   | 42 +++++++++++++
>>>   2 files changed, 101 insertions(+)
>>>   create mode 100644 Documentation/devicetree/bindings/clock/amlogic,c3-pll-clkc.yaml
>>>   create mode 100644 include/dt-bindings/clock/amlogic,c3-pll-clkc.h
>>>
>>> diff --git a/Documentation/devicetree/bindings/clock/amlogic,c3-pll-clkc.yaml b/Documentation/devicetree/bindings/clock/amlogic,c3-pll-clkc.yaml
>>> new file mode 100644
>>> index 000000000000..a646992917b7
>>> --- /dev/null
>>> +++ b/Documentation/devicetree/bindings/clock/amlogic,c3-pll-clkc.yaml
>>> @@ -0,0 +1,59 @@
>>> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
>>> +# Copyright (C) 2022-2023 Amlogic, Inc. All rights reserved
>>> +%YAML 1.2
>>> +---
>>> +$id: http://devicetree.org/schemas/clock/amlogic,c3-pll-clkc.yaml#
>>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>>> +
>>> +title: Amlogic C3 serials PLL Clock Controller
>> s/serials/Serials/
>> 
> Will fix
>>> +
>>> +maintainers:
>>> +  - Chuan Liu <chuan.liu@xxxxxxxxxxx>
>>> +
>>> +properties:
>>> +  compatible:
>>> +    const: amlogic,c3-pll-clkc
>>> +
>>> +  reg:
>>> +    maxItems: 1
>>> +
>>> +  clocks:
>>> +    minItems: 1
>>> +    items:
>>> +      - description: input pll_in
>>> +      - description: input mclk_pll_in
>>> +
>>> +  clock-names:
>>> +    minItems: 1
>>> +    items:
>>> +      - const: pll_in
>>> +      - const: mclk_pll_in
>>> +
>>> +  "#clock-cells":
>>> +    const: 1
>>> +
>>> +required:
>>> +  - compatible
>>> +  - reg
>>> +  - clocks
>>> +  - clock-names
>>> +  - "#clock-cells"
>>> +
>>> +additionalProperties: false
>>> +
>>> +examples:
>>> +  - |
>>> +    #include <dt-bindings/clock/amlogic,c3-peripherals-clkc.h>
>>> +    apb {
>>> +        #address-cells = <2>;
>>> +        #size-cells = <2>;
>>> +
>>> +        clkc_pll: clock-controller@8000 {
>> Drop unused labels.
>> 
> Will delete clkc_pll.
>>> +          compatible = "amlogic,c3-pll-clkc";
>> Your indentation is not consistent.
>> 
> Will fix it in V3.
>>> +          reg = <0x0 0x8000 0x0 0x1a4>;
>>> +          clocks = <&clkc_periphs CLKID_PLL_IN>,
>>> +                   <&clkc_periphs CLKID_MCLK_PLL_IN>;
>>> +          clock-names = "pll_in", "mclk_pll_in";
>>> +          #clock-cells = <1>;
>>> +        };
>>> +    };
>>> diff --git a/include/dt-bindings/clock/amlogic,c3-pll-clkc.h b/include/dt-bindings/clock/amlogic,c3-pll-clkc.h
>>> new file mode 100644
>>> index 000000000000..aa731e8fae29
>>> --- /dev/null
>>> +++ b/include/dt-bindings/clock/amlogic,c3-pll-clkc.h
>>> @@ -0,0 +1,42 @@
>>> +/* SPDX-License-Identifier: (GPL-2.0-only OR MIT) */
>>> +/*
>>> + * Copyright (c) 2023 Amlogic, Inc. All rights reserved.
>>> + * Author: Chuan Liu <chuan.liu@xxxxxxxxxxx>
>>> + */
>>> +
>>> +#ifndef _DT_BINDINGS_CLOCK_AMLOGIC_C3_PLL_CLKC_H
>>> +#define _DT_BINDINGS_CLOCK_AMLOGIC_C3_PLL_CLKC_H
>>> +
>>> +#define CLKID_FIXED_PLL_DCO                  0
>>> +#define CLKID_FIXED_PLL                              1
>>> +#define CLKID_FCLK_DIV40_DIV                 2
>>> +#define CLKID_FCLK_DIV40                     3
>>> +#define CLKID_FCLK_DIV2_DIV                  4
>>> +#define CLKID_FCLK_DIV2                              5
>>> +#define CLKID_FCLK_DIV2P5_DIV                        6
>>> +#define CLKID_FCLK_DIV2P5                    7
>>> +#define CLKID_FCLK_DIV3_DIV                  8
>>> +#define CLKID_FCLK_DIV3                              9
>>> +#define CLKID_FCLK_DIV4_DIV                  10
>>> +#define CLKID_FCLK_DIV4                              11
>>> +#define CLKID_FCLK_DIV5_DIV                  12
>>> +#define CLKID_FCLK_DIV5                              13
>>> +#define CLKID_FCLK_DIV7_DIV                  14
>>> +#define CLKID_FCLK_DIV7                              15
>>> +#define CLKID_GP0_PLL_DCO                    16
>>> +#define CLKID_GP0_PLL                                17
>>> +#define CLKID_HIFI_PLL_DCO                   18
>>> +#define CLKID_HIFI_PLL                               19
>>> +#define CLKID_MCLK_PLL_DCO                   20
>>> +#define CLKID_MCLK_PLL                               21
>>> +#define CLKID_MCLK_PLL_CLK                   22
>>> +#define CLKID_MCLK0_SEL                              23
>>> +#define CLKID_MCLK0_SEL_OUT                  24
>>> +#define CLKID_MCLK0_DIV                              25
>>> +#define CLKID_MCLK0                          26
>>> +#define CLKID_MCLK1_SEL                              27
>>> +#define CLKID_MCLK1_SEL_OUT                  28
>>> +#define CLKID_MCLK1_DIV                              29
>>> +#define CLKID_MCLK1                          30
>>> +
>>> +#endif  /* _DT_BINDINGS_CLOCK_AMLOGIC_C3_PLL_CLKC_H */
>>>
>>> base-commit: 57b55c76aaf1ba50ecc6dcee5cd6843dc4d85239
>>> --
>>> 2.37.1
>>>





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