Re: [PATCH v3 2/4] dt-bindings: soc: rockchip: convert grf.txt to YAML

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On Mon, May 10, 2021 at 11:32 AM Johan Jonker <jbx6244@xxxxxxxxx> wrote:
>
>
>
> On 5/10/21 6:12 PM, Rob Herring wrote:
> > On Sat, May 08, 2021 at 02:37:41PM +0200, Johan Jonker wrote:
> >> Current dts files with 'grf' nodes are manually verified.
> >> In order to automate this process grf.txt has to be
> >> converted to YAML.
> >>
> >> Most compatibility strings are in use with "simple-mfd" added.
> >>
> >> Add description already in use:
> >> "rockchip,rv1108-pmugrf", "syscon"
> >>
> >> Add new descriptions for:
> >> "rockchip,rk3568-grf", "syscon", "simple-mfd"
> >> "rockchip,rk3568-pmugrf", "syscon", "simple-mfd"
> >>
> >> Signed-off-by: Johan Jonker <jbx6244@xxxxxxxxx>
> >> ---
> >>
> >> Changed V3:
> >>   remove select
> >>   change unevaluatedProperties
> >>   add separate schemas for each 'if' subset
> >
> > Sorry, but by separate I meant different files. But you don't *have* to
> > do that.
> >
> >>
> >> Changed V2:
> >>   add rockchip,rk3328-grf-gpio.yaml
> >>   rename grf-gpio nodename
> >> ---
> >>  .../devicetree/bindings/soc/rockchip/grf.txt       |  61 -----
> >>  .../devicetree/bindings/soc/rockchip/grf.yaml      | 262 +++++++++++++++++++++
> >>  2 files changed, 262 insertions(+), 61 deletions(-)
> >>  delete mode 100644 Documentation/devicetree/bindings/soc/rockchip/grf.txt
> >>  create mode 100644 Documentation/devicetree/bindings/soc/rockchip/grf.yaml
> >>
> >> diff --git a/Documentation/devicetree/bindings/soc/rockchip/grf.txt b/Documentation/devicetree/bindings/soc/rockchip/grf.txt
> >> deleted file mode 100644
> >> index f96511aa3..000000000
> >> --- a/Documentation/devicetree/bindings/soc/rockchip/grf.txt
> >> +++ /dev/null
> >> @@ -1,61 +0,0 @@
> >> -* Rockchip General Register Files (GRF)
> >> -
> >> -The general register file will be used to do static set by software, which
> >> -is composed of many registers for system control.
> >> -
> >> -From RK3368 SoCs, the GRF is divided into two sections,
> >> -- GRF, used for general non-secure system,
> >> -- SGRF, used for general secure system,
> >> -- PMUGRF, used for always on system
> >> -
> >> -On RK3328 SoCs, the GRF adds a section for USB2PHYGRF,
> >> -
> >> -ON RK3308 SoC, the GRF is divided into four sections:
> >> -- GRF, used for general non-secure system,
> >> -- SGRF, used for general secure system,
> >> -- DETECTGRF, used for audio codec system,
> >> -- COREGRF, used for pvtm,
> >> -
> >> -Required Properties:
> >> -
> >> -- compatible: GRF should be one of the following:
> >> -   - "rockchip,px30-grf", "syscon": for px30
> >> -   - "rockchip,rk3036-grf", "syscon": for rk3036
> >> -   - "rockchip,rk3066-grf", "syscon": for rk3066
> >> -   - "rockchip,rk3188-grf", "syscon": for rk3188
> >> -   - "rockchip,rk3228-grf", "syscon": for rk3228
> >> -   - "rockchip,rk3288-grf", "syscon": for rk3288
> >> -   - "rockchip,rk3308-grf", "syscon": for rk3308
> >> -   - "rockchip,rk3328-grf", "syscon": for rk3328
> >> -   - "rockchip,rk3368-grf", "syscon": for rk3368
> >> -   - "rockchip,rk3399-grf", "syscon": for rk3399
> >> -   - "rockchip,rv1108-grf", "syscon": for rv1108
> >> -- compatible: DETECTGRF should be one of the following:
> >> -   - "rockchip,rk3308-detect-grf", "syscon": for rk3308
> >> -- compatilbe: COREGRF should be one of the following:
> >> -   - "rockchip,rk3308-core-grf", "syscon": for rk3308
> >> -- compatible: PMUGRF should be one of the following:
> >> -   - "rockchip,px30-pmugrf", "syscon": for px30
> >> -   - "rockchip,rk3368-pmugrf", "syscon": for rk3368
> >> -   - "rockchip,rk3399-pmugrf", "syscon": for rk3399
> >> -- compatible: SGRF should be one of the following:
> >> -   - "rockchip,rk3288-sgrf", "syscon": for rk3288
> >> -- compatible: USB2PHYGRF should be one of the following:
> >> -   - "rockchip,px30-usb2phy-grf", "syscon": for px30
> >> -   - "rockchip,rk3328-usb2phy-grf", "syscon": for rk3328
> >> -- compatible: USBGRF should be one of the following:
> >> -   - "rockchip,rv1108-usbgrf", "syscon": for rv1108
> >> -- reg: physical base address of the controller and length of memory mapped
> >> -  region.
> >> -
> >> -Example: GRF and PMUGRF of RK3399 SoCs
> >> -
> >> -    pmugrf: syscon@ff320000 {
> >> -            compatible = "rockchip,rk3399-pmugrf", "syscon";
> >> -            reg = <0x0 0xff320000 0x0 0x1000>;
> >> -    };
> >> -
> >> -    grf: syscon@ff770000 {
> >> -            compatible = "rockchip,rk3399-grf", "syscon";
> >> -            reg = <0x0 0xff770000 0x0 0x10000>;
> >> -    };
> >> diff --git a/Documentation/devicetree/bindings/soc/rockchip/grf.yaml b/Documentation/devicetree/bindings/soc/rockchip/grf.yaml
> >> new file mode 100644
> >> index 000000000..264e2e5ff
> >> --- /dev/null
> >> +++ b/Documentation/devicetree/bindings/soc/rockchip/grf.yaml
> >> @@ -0,0 +1,262 @@
> >> +# SPDX-License-Identifier: GPL-2.0
> >> +%YAML 1.2
> >> +---
> >> +$id: http://devicetree.org/schemas/soc/rockchip/grf.yaml#
> >> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> >> +
> >> +title: Rockchip General Register Files (GRF)
> >> +
> >> +maintainers:
> >> +  - Heiko Stuebner <heiko@xxxxxxxxx>
> >> +
> >> +properties:
> >> +  compatible:
> >> +    oneOf:
> >> +      - items:
> >> +          - enum:
> >> +              - rockchip,rk3066-grf
> >> +              - rockchip,rk3188-grf
> >> +              - rockchip,rk3288-sgrf
> >> +              - rockchip,rv1108-pmugrf
> >> +              - rockchip,rv1108-usbgrf
> >> +          - const: syscon
> >> +      - items:
> >> +          - enum:
> >> +              - rockchip,px30-grf
> >> +              - rockchip,px30-pmugrf
> >> +              - rockchip,px30-usb2phy-grf
> >> +              - rockchip,rk3036-grf
> >> +              - rockchip,rk3228-grf
> >> +              - rockchip,rk3288-grf
> >> +              - rockchip,rk3308-core-grf
> >> +              - rockchip,rk3308-detect-grf
> >> +              - rockchip,rk3308-grf
> >> +              - rockchip,rk3328-grf
> >> +              - rockchip,rk3328-usb2phy-grf
> >> +              - rockchip,rk3368-grf
> >> +              - rockchip,rk3368-pmugrf
> >> +              - rockchip,rk3399-grf
> >> +              - rockchip,rk3399-pmugrf
> >> +              - rockchip,rk3568-grf
> >> +              - rockchip,rk3568-pmugrf
> >> +              - rockchip,rv1108-grf
> >> +          - const: syscon
> >> +          - const: simple-mfd
> >> +
> >> +  reg:
> >> +    maxItems: 1
> >> +
> >> +required:
> >> +  - compatible
> >> +  - reg
> >> +
> >> +unevaluatedProperties: false
>
> Hi Rob,
>
> I've tried without '$defs' and I can't get dt_binding_check error free with:
> allOf:
>   - if:
>       [etc..]
>   - if:
>       [etc..]
> That's why this construction.
> Could you test with patch below.
> Please advise.

There's a requirement that all the properties be defined at the top
level. If 'unevaluatedProperties' was actually implemented, we
wouldn't need that. So you need something like this:

diff --git a/Documentation/devicetree/bindings/soc/rockchip/grf.yaml
b/Documentation/devicetree/bindings/soc/rockchip/grf.yaml
index 8a8943317544..8034458fb969 100644
--- a/Documentation/devicetree/bindings/soc/rockchip/grf.yaml
+++ b/Documentation/devicetree/bindings/soc/rockchip/grf.yaml
@@ -46,11 +46,18 @@ properties:
   reg:
     maxItems: 1

+  "#address-cells":
+    const: 1
+
+  "#size-cells":
+    const: 1
+
 required:
   - compatible
   - reg

-unevaluatedProperties: false
+additionalProperties:
+  type: object

 allOf:
   - if:
@@ -158,13 +165,6 @@ allOf:
               - rockchip,rv1108-grf

     then:
-      properties:
-        "#address-cells":
-          const: 1
-
-        "#size-cells":
-          const: 1
-
       required:
         - "#address-cells"
         - "#size-cells"



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