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Message-ID: <CAJM55Z_G-OA_zmYoYueOGgYKMFHjPurJYAypTBw=P4WLkyn9Bw@mail.gmail.com>
Date:   Thu, 13 Jul 2023 14:31:52 +0200
From:   Emil Renner Berthing <emil.renner.berthing@...onical.com>
To:     Xingyu Wu <xingyu.wu@...rfivetech.com>
Cc:     linux-riscv@...ts.infradead.org, devicetree@...r.kernel.org,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Conor Dooley <conor@...nel.org>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Hal Feng <hal.feng@...rfivetech.com>,
        William Qiu <william.qiu@...rfivetech.com>,
        linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org
Subject: Re: [RESEND PATCH v6 2/7] dt-bindings: soc: starfive: Add StarFive
 syscon module

On Tue, 4 Jul 2023 at 08:49, Xingyu Wu <xingyu.wu@...rfivetech.com> wrote:
>
> From: William Qiu <william.qiu@...rfivetech.com>
>
> Add documentation to describe StarFive System Controller Registers.
>

Reviewed-by: Emil Renner Berthing <emil.renner.berthing@...onical.com>

> Co-developed-by: Xingyu Wu <xingyu.wu@...rfivetech.com>
> Signed-off-by: Xingyu Wu <xingyu.wu@...rfivetech.com>
> Signed-off-by: William Qiu <william.qiu@...rfivetech.com>
> ---
>  .../soc/starfive/starfive,jh7110-syscon.yaml  | 93 +++++++++++++++++++
>  MAINTAINERS                                   |  7 ++
>  2 files changed, 100 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/soc/starfive/starfive,jh7110-syscon.yaml
>
> diff --git a/Documentation/devicetree/bindings/soc/starfive/starfive,jh7110-syscon.yaml b/Documentation/devicetree/bindings/soc/starfive/starfive,jh7110-syscon.yaml
> new file mode 100644
> index 000000000000..0039319e91fe
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/soc/starfive/starfive,jh7110-syscon.yaml
> @@ -0,0 +1,93 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/soc/starfive/starfive,jh7110-syscon.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: StarFive JH7110 SoC system controller
> +
> +maintainers:
> +  - William Qiu <william.qiu@...rfivetech.com>
> +
> +description:
> +  The StarFive JH7110 SoC system controller provides register information such
> +  as offset, mask and shift to configure related modules such as MMC and PCIe.
> +
> +properties:
> +  compatible:
> +    oneOf:
> +      - items:
> +          - const: starfive,jh7110-sys-syscon
> +          - const: syscon
> +          - const: simple-mfd
> +      - items:
> +          - enum:
> +              - starfive,jh7110-aon-syscon
> +              - starfive,jh7110-stg-syscon
> +          - const: syscon
> +
> +  reg:
> +    maxItems: 1
> +
> +  clock-controller:
> +    $ref: /schemas/clock/starfive,jh7110-pll.yaml#
> +    type: object
> +
> +  "#power-domain-cells":
> +    const: 1
> +
> +required:
> +  - compatible
> +  - reg
> +
> +allOf:
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            const: starfive,jh7110-sys-syscon
> +    then:
> +      required:
> +        - clock-controller
> +    else:
> +      properties:
> +        clock-controller: false
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            const: starfive,jh7110-aon-syscon
> +    then:
> +      required:
> +        - "#power-domain-cells"
> +    else:
> +      properties:
> +        "#power-domain-cells": false
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    syscon@...40000 {
> +        compatible = "starfive,jh7110-stg-syscon", "syscon";
> +        reg = <0x10240000 0x1000>;
> +    };
> +
> +    syscon@...30000 {
> +        compatible = "starfive,jh7110-sys-syscon", "syscon", "simple-mfd";
> +        reg = <0x13030000 0x1000>;
> +
> +        clock-controller {
> +            compatible = "starfive,jh7110-pll";
> +            clocks = <&osc>;
> +            #clock-cells = <1>;
> +        };
> +    };
> +
> +    syscon@...10000 {
> +        compatible = "starfive,jh7110-aon-syscon", "syscon";
> +        reg = <0x17010000 0x1000>;
> +        #power-domain-cells = <1>;
> +    };
> +
> +...
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 35e19594640d..58ba04bd0bc8 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -20127,6 +20127,12 @@ S:     Supported
>  F:     Documentation/devicetree/bindings/mmc/starfive*
>  F:     drivers/mmc/host/dw_mmc-starfive.c
>
> +STARFIVE JH7110 SYSCON
> +M:     William Qiu <william.qiu@...rfivetech.com>
> +M:     Xingyu Wu <xingyu.wu@...rfivetech.com>
> +S:     Supported
> +F:     Documentation/devicetree/bindings/soc/starfive/starfive,jh7110-syscon.yaml
> +
>  STARFIVE JH71X0 CLOCK DRIVERS
>  M:     Emil Renner Berthing <kernel@...il.dk>
>  M:     Hal Feng <hal.feng@...rfivetech.com>
> @@ -20164,6 +20170,7 @@ STARFIVE SOC DRIVERS
>  M:     Conor Dooley <conor@...nel.org>
>  S:     Maintained
>  T:     git https://git.kernel.org/pub/scm/linux/kernel/git/conor/linux.git/
> +F:     Documentation/devicetree/bindings/soc/starfive/
>  F:     drivers/soc/starfive/
>
>  STARFIVE TRNG DRIVER
> --
> 2.25.1
>

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