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Subject: Re: [PATCH RFC v1 2/4] dt-bindings: power: meson-ee-pwrc: add support
 for the Meson GX SoCs
To:     Martin Blumenstingl <martin.blumenstingl@googlemail.com>,
        robh+dt@kernel.org, khilman@baylibre.com,
        linux-amlogic@lists.infradead.org
Cc:     linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org,
        devicetree@vger.kernel.org
References: <20200414201457.229131-1-martin.blumenstingl@googlemail.com>
 <20200414201457.229131-3-martin.blumenstingl@googlemail.com>
From:   Neil Armstrong <narmstrong@baylibre.com>
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Organization: Baylibre
Message-ID: <907211b1-c8d5-39cd-5d2b-dd41efbdc7a7@baylibre.com>
Date:   Wed, 15 Apr 2020 10:51:10 +0200
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On 14/04/2020 22:14, Martin Blumenstingl wrote:
> The power domains on the GX SoCs are very similar to G12A. The only
> known differences so far are:
> - The GX SoCs do not have the HHI_VPU_MEM_PD_REG2 register (for the
>   VPU power-domain)
> - The GX SoCs have an additional reset line called "dvin"
> 
> Add a new compatible string and adjust the reset line expectations for
> these SoCs.
> 
> Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
> ---
>  .../bindings/power/amlogic,meson-ee-pwrc.yaml | 27 +++++++++++++++++++
>  include/dt-bindings/power/meson-gxbb-power.h  | 13 +++++++++
>  2 files changed, 40 insertions(+)
>  create mode 100644 include/dt-bindings/power/meson-gxbb-power.h
> 
> diff --git a/Documentation/devicetree/bindings/power/amlogic,meson-ee-pwrc.yaml b/Documentation/devicetree/bindings/power/amlogic,meson-ee-pwrc.yaml
> index a0e4cf143b9c..15a29ed19327 100644
> --- a/Documentation/devicetree/bindings/power/amlogic,meson-ee-pwrc.yaml
> +++ b/Documentation/devicetree/bindings/power/amlogic,meson-ee-pwrc.yaml
> @@ -26,6 +26,7 @@ properties:
>        - amlogic,meson8-pwrc
>        - amlogic,meson8b-pwrc
>        - amlogic,meson8m2-pwrc
> +      - amlogic,meson-gxbb-pwrc
>        - amlogic,meson-g12a-pwrc
>        - amlogic,meson-sm1-pwrc
>  
> @@ -42,6 +43,7 @@ properties:
>  
>    resets:
>      minItems: 11
> +    maxItems: 12
>  
>    "#power-domain-cells":
>      const: 1
> @@ -77,6 +79,31 @@ allOf:
>          - resets
>          - reset-names
>  
> +  - if:
> +      properties:
> +        compatible:
> +          enum:
> +            - amlogic,meson-gxbb-pwrc
> +    then:
> +      properties:
> +        reset-names:
> +          items:
> +            - const: viu
> +            - const: venc
> +            - const: vcbus
> +            - const: bt656
> +            - const: dvin
> +            - const: rdma
> +            - const: venci
> +            - const: vencp
> +            - const: vdac
> +            - const: vdi6
> +            - const: vencl
> +            - const: vid_lock
> +      required:
> +        - resets
> +        - reset-names
> +
>    - if:
>        properties:
>          compatible:
> diff --git a/include/dt-bindings/power/meson-gxbb-power.h b/include/dt-bindings/power/meson-gxbb-power.h
> new file mode 100644
> index 000000000000..57ab38dcb6bb
> --- /dev/null
> +++ b/include/dt-bindings/power/meson-gxbb-power.h
> @@ -0,0 +1,13 @@
> +/* SPDX-License-Identifier: (GPL-2.0+ or MIT) */
> +/*
> + * Copyright (c) 2019 BayLibre, SAS
> + * Author: Neil Armstrong <narmstrong@baylibre.com>
> + */
> +
> +#ifndef _DT_BINDINGS_MESON_GXBB_POWER_H
> +#define _DT_BINDINGS_MESON_GXBB_POWER_H
> +
> +#define PWRC_GXBB_VPU_ID		0
> +#define PWRC_GXBB_ETH_ID		1

Should be PWRC_GXBB_ETHERNET_MEM_ID like meson8 bindings.

> +
> +#endif
> 


Apart that, itlooks ok.

Neil