linux-kernel - Re: [PATCH v11 1/2] dt-bindings: misc: Add iop yaml file for Sunplus SP7021

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Date:   Sun, 13 Mar 2022 10:33:48 +0100
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Tony Huang <tonyhuang.sunplus@...il.com>, robh+dt@...nel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        derek.kiernan@...inx.com, dragan.cvetic@...inx.com, arnd@...db.de,
        gregkh@...uxfoundation.org
Cc:     wells.lu@...plus.com, tony.huang@...plus.com
Subject: Re: [PATCH v11 1/2] dt-bindings: misc: Add iop yaml file for Sunplus
 SP7021

On 12/03/2022 17:16, Tony Huang wrote:
> Add iop yaml file for Sunplus SP7021
> 
> Reviewed-by: Rob Herring <robh@...nel.org>
> Signed-off-by: Tony Huang <tonyhuang.sunplus@...il.com>
> ---
> Changes in v11:
>  - Addressed comments from krzysztof.
> 
>  .../devicetree/bindings/misc/sunplus,iop.yaml      | 78 ++++++++++++++++++++++
>  MAINTAINERS                                        |  5 ++
>  2 files changed, 83 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/misc/sunplus,iop.yaml
> 
> diff --git a/Documentation/devicetree/bindings/misc/sunplus,iop.yaml b/Documentation/devicetree/bindings/misc/sunplus,iop.yaml
> new file mode 100644
> index 0000000..ad1c4be
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/misc/sunplus,iop.yaml
> @@ -0,0 +1,78 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +# Copyright (C) Sunplus Ltd. Co. 2021
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/misc/sunplus-iop.yaml#

Still wrong path. This would be easily spotted if you test the bindings.
Please run dt_binding_check. It's a requirement.

> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Sunplus IOP(8051) controller
> +
> +maintainers:
> +  - Tony Huang <tonyhuang.sunplus@...il.com>
> +
> +description: |
> +  Processor for I/O control, RTC wake-up procedure management,
> +  and cooperation with CPU&PMC in power management.
> +
> +properties:
> +  compatible:
> +    enum:
> +      - sunplus,sp7021-iop
> +
> +  reg:
> +    items:
> +      - description: IOP registers regions
> +      - description: PMC registers regions
> +      - description: MOON0 registers regions
> +
> +  reg-names:
> +    items:
> +      - const: iop
> +      - const: iop_pmc
> +      - const: moon0
> +
> +  interrupts:
> +    items:
> +      - description: IOP_INT0. IOP to system Interrupt 0.
> +                     Sent by IOP to system RISC.
> +      - description: IOP_INT1. IOP to System Interrupt 1.
> +                     Sent by IOP to system RISC.
> +
> +  memory-region:
> +    maxItems: 1
> +
> +  wakeup-gpios:
> +    description: When the linux kernel system is powered off.
> +      8051 is always powered. 8051 cand receive external signals
> +      according to this gpio pin. 8051 receives external signal
> +      through gpio pin. 8051 can power on linux kernel system.
> +    maxItems: 1
> +
> +required:
> +  - compatible
> +  - reg
> +  - reg-names
> +  - clocks
> +  - interrupts
> +  - memory-region
> +  - wakeup-gpios
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/interrupt-controller/irq.h>
> +    #include <dt-bindings/interrupt-controller/arm-gic.h>
> +    #include <dt-bindings/gpio/gpio.h>
> +    iop: iop@...00400 {
> +        compatible = "sunplus,sp7021-iop";
> +        reg = <0x9c000400 0x80>, <0x9c003100 0x80>, <0x9c000000 0x80>;
> +        reg-names = "iop", "iop_pmc", "moon0";
> +        clocks = <&clkc 0x14>;
> +        interrupt-parent = <&intc>;
> +        interrupts = <41 IRQ_TYPE_LEVEL_HIGH>, <42 IRQ_TYPE_LEVEL_HIGH>;
> +        memory-region = <&iop_reserve>;
> +        pinctrl-names = "default";
> +        pinctrl-0 = <&iop_pins>;
> +        wakeup-gpios = <&pctl 1 GPIO_ACTIVE_HIGH>;
> +    };
> \ No newline at end of file

You have a patch warning here.

Best regards,
Krzysztof