Re: [PATCH v3 04/17] dt-bindings: qcom-qce: Convert bindings to yaml

[Bhupesh Sharma]

Hi Rob,

On Fri, 21 May 2021 at 07:15, Rob Herring <robh@xxxxxxxxxx> wrote:
>
> On Wed, May 19, 2021 at 08:06:47PM +0530, Bhupesh Sharma wrote:
> > Convert Qualcomm QCE crypto devicetree binding to YAML.
> >
> > Cc: Thara Gopinath <thara.gopinath@xxxxxxxxxx>
> > Cc: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>
> > Cc: Rob Herring <robh+dt@xxxxxxxxxx>
> > Cc: Andy Gross <agross@xxxxxxxxxx>
> > Cc: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
> > Cc: David S. Miller <davem@xxxxxxxxxxxxx>
> > Cc: Stephen Boyd <sboyd@xxxxxxxxxx>
> > Cc: Michael Turquette <mturquette@xxxxxxxxxxxx>
> > Cc: Vinod Koul <vkoul@xxxxxxxxxx>
> > Cc: dmaengine@xxxxxxxxxxxxxxx
> > Cc: linux-clk@xxxxxxxxxxxxxxx
> > Cc: linux-crypto@xxxxxxxxxxxxxxx
> > Cc: devicetree@xxxxxxxxxxxxxxx
> > Cc: linux-kernel@xxxxxxxxxxxxxxx
> > Cc: bhupesh.linux@xxxxxxxxx
> > Signed-off-by: Bhupesh Sharma <bhupesh.sharma@xxxxxxxxxx>
> > ---
> >  .../devicetree/bindings/crypto/qcom-qce.txt   | 25 -------
> >  .../devicetree/bindings/crypto/qcom-qce.yaml  | 69 +++++++++++++++++++
> >  2 files changed, 69 insertions(+), 25 deletions(-)
> >  delete mode 100644 Documentation/devicetree/bindings/crypto/qcom-qce.txt
> >  create mode 100644 Documentation/devicetree/bindings/crypto/qcom-qce.yaml
> >
> > diff --git a/Documentation/devicetree/bindings/crypto/qcom-qce.txt b/Documentation/devicetree/bindings/crypto/qcom-qce.txt
> > deleted file mode 100644
> > index fdd53b184ba8..000000000000
> > --- a/Documentation/devicetree/bindings/crypto/qcom-qce.txt
> > +++ /dev/null
> > @@ -1,25 +0,0 @@
> > -Qualcomm crypto engine driver
> > -
> > -Required properties:
> > -
> > -- compatible  : should be "qcom,crypto-v5.1"
> > -- reg         : specifies base physical address and size of the registers map
> > -- clocks      : phandle to clock-controller plus clock-specifier pair
> > -- clock-names : "iface" clocks register interface
> > -                "bus" clocks data transfer interface
> > -                "core" clocks rest of the crypto block
> > -- dmas        : DMA specifiers for tx and rx dma channels. For more see
> > -                Documentation/devicetree/bindings/dma/dma.txt
> > -- dma-names   : DMA request names should be "rx" and "tx"
> > -
> > -Example:
> > -     crypto@fd45a000 {
> > -             compatible = "qcom,crypto-v5.1";
> > -             reg = <0xfd45a000 0x6000>;
> > -             clocks = <&gcc GCC_CE2_AHB_CLK>,
> > -                      <&gcc GCC_CE2_AXI_CLK>,
> > -                      <&gcc GCC_CE2_CLK>;
> > -             clock-names = "iface", "bus", "core";
> > -             dmas = <&cryptobam 2>, <&cryptobam 3>;
> > -             dma-names = "rx", "tx";
> > -     };
> > diff --git a/Documentation/devicetree/bindings/crypto/qcom-qce.yaml b/Documentation/devicetree/bindings/crypto/qcom-qce.yaml
> > new file mode 100644
> > index 000000000000..a691cd08f372
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/crypto/qcom-qce.yaml
> > @@ -0,0 +1,69 @@
> > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/crypto/qcom-qce.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: Qualcomm crypto engine driver
> > +
> > +maintainers:
> > +  - Bhupesh Sharma <bhupesh.sharma@xxxxxxxxxx>
> > +
> > +description: |
> > +  This document defines the binding for the QCE crypto
> > +  controller found on Qualcomm parts.
> > +
> > +properties:
> > +  compatible:
> > +    const: qcom,crypto-v5.1
> > +
> > +  reg:
> > +    maxItems: 1
> > +    description: |
> > +      Specifies base physical address and size of the registers map.
>
> Yep, that's every 'reg'. Drop.
>
> With that dropped,
>
> Reviewed-by: Rob Herring <robh@xxxxxxxxxx>

Ok, I will drop this in v4.

Thanks,
Bhupesh

> > +
> > +  clocks:
> > +    items:
> > +      - description: iface clocks register interface.
> > +      - description: bus clocks data transfer interface.
> > +      - description: core clocks rest of the crypto block.
> > +
> > +  clock-names:
> > +    items:
> > +      - const: iface
> > +      - const: bus
> > +      - const: core
> > +
> > +  dmas:
> > +    items:
> > +      - description: DMA specifiers for tx dma channel.
> > +      - description: DMA specifiers for rx dma channel.
> > +
> > +  dma-names:
> > +    items:
> > +      - const: rx
> > +      - const: tx
> > +
> > +required:
> > +  - compatible
> > +  - reg
> > +  - clocks
> > +  - clock-names
> > +  - dmas
> > +  - dma-names
> > +
> > +additionalProperties: false
> > +
> > +examples:
> > +  - |
> > +    #include <dt-bindings/clock/qcom,gcc-apq8084.h>
> > +    crypto-engine@fd45a000 {
> > +        compatible = "qcom,crypto-v5.1";
> > +        reg = <0xfd45a000 0x6000>;
> > +        clocks = <&gcc GCC_CE2_AHB_CLK>,
> > +                 <&gcc GCC_CE2_AXI_CLK>,
> > +                 <&gcc GCC_CE2_CLK>;
> > +        clock-names = "iface", "bus", "core";
> > +        dmas = <&cryptobam 2>, <&cryptobam 3>;
> > +        dma-names = "rx", "tx";
> > +    };
> > --
> > 2.31.1
> >