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Subject: Re: [PATCH v3 2/4] dt-bindings: soc: rockchip: convert grf.txt to
 YAML
To:     Rob Herring <robh@kernel.org>
Cc:     heiko@sntech.de, linus.walleij@linaro.org,
        bgolaszewski@baylibre.com, jay.xu@rock-chips.com,
        shawn.lin@rock-chips.com, david.wu@rock-chips.com,
        zhangqing@rock-chips.com, huangtao@rock-chips.com,
        cl@rock-chips.com, linux-gpio@vger.kernel.org,
        linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org
References: <20210508123743.18128-1-jbx6244@gmail.com>
 <20210508123743.18128-3-jbx6244@gmail.com>
 <20210510161234.GA210306@robh.at.kernel.org>
From:   Johan Jonker <jbx6244@gmail.com>
Message-ID: <a30fe9fd-d4bb-c5a7-f8bd-e783a6373727@gmail.com>
Date:   Mon, 10 May 2021 18:32:27 +0200
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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@gmail.com>
>> ---
>>
>> 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@sntech.de>
>> +
>> +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.

Johan

===

/Documentation/devicetree/bindings/soc/rockchip/grf.yaml: ignoring,
error in schema:
warning: no schema found in file:
./Documentation/devicetree/bindings/soc/rockchip/grf.yaml
  DTEX    Documentation/devicetree/bindings/soc/rockchip/grf.example.dts
  DTC     Documentation/devicetree/bindings/soc/rockchip/grf.example.dt.yaml
  CHECK   Documentation/devicetree/bindings/soc/rockchip/grf.example.dt.yaml
/Documentation/devicetree/bindings/soc/rockchip/grf.example.dt.yaml:
syscon@ff770000: compatible:0: 'anyOf' conditional failed, one must be
fixed:
	'rockchip,rk3399-grf' is not one of [....]
===
>> +
>> +allOf:
>> +  - $ref: "#/$defs/px30-grf"
>> +  - $ref: "#/$defs/rk3288-grf"
>> +  - $ref: "#/$defs/rk3328-grf"
>> +  - $ref: "#/$defs/rk3399-grf"
>> +  - $ref: "#/$defs/reboot"
>> +  - $ref: "#/$defs/usb2"
>> +  - $ref: "#/$defs/domains"
>> +
>> +$defs:
> 
> There's not really any point to using '$defs' unless you have 2 or more 
> references to them.
> 
>> +  px30-grf:
>> +    if:
>> +      properties:
>> +        compatible:
>> +          contains:
>> +            const: rockchip,px30-grf
>> +
>> +    then:
>> +      properties:
>> +        lvds:
>> +          description:
>> +            Documentation/devicetree/bindings/display/rockchip/rockchip-lvds.txt
>> +
>> +  rk3288-grf:
>> +    if:
>> +      properties:
>> +        compatible:
>> +          contains:
>> +            const: rockchip,rk3288-grf
>> +
>> +    then:
>> +      properties:
>> +        edp-phy:
>> +          description:
>> +            Documentation/devicetree/bindings/phy/rockchip-dp-phy.txt
>> +
>> +        usbphy:
>> +          description:
>> +            Documentation/devicetree/bindings/phy/rockchip-usb-phy.txt
>> +
>> +  rk3328-grf:
>> +    if:
>> +      properties:
>> +        compatible:
>> +          contains:
>> +            const: rockchip,rk3328-grf
>> +
>> +    then:
>> +      properties:
>> +        gpio:
>> +          type: object
>> +
>> +          $ref: "/schemas/gpio/rockchip,rk3328-grf-gpio.yaml#"
>> +
>> +          unevaluatedProperties: false
>> +
>> +        power-controller:
>> +          type: object
>> +
>> +          $ref: "/schemas/power/rockchip,power-controller.yaml#"
>> +
>> +          unevaluatedProperties: false
>> +
>> +  rk3399-grf:
>> +    if:
>> +      properties:
>> +        compatible:
>> +          contains:
>> +            const: rockchip,rk3399-grf
>> +
>> +    then:
>> +      properties:
>> +        mipi-dphy-rx0:
>> +          type: object
>> +
>> +          $ref: "/schemas/phy/rockchip-mipi-dphy-rx0.yaml#"
>> +
>> +          unevaluatedProperties: false
>> +
>> +        pcie-phy:
>> +          description:
>> +            Documentation/devicetree/bindings/phy/rockchip-pcie-phy.txt
>> +
>> +      patternProperties:
>> +        "phy@[0-9a-f]+$":
>> +          description:
>> +            Documentation/devicetree/bindings/phy/rockchip-emmc-phy.txt
>> +
>> +  reboot:
>> +    if:
>> +      properties:
>> +        compatible:
>> +          contains:
>> +            enum:
>> +              - rockchip,px30-pmugrf
>> +              - rockchip,rk3036-grf
>> +              - rockchip,rk3308-grf
>> +              - rockchip,rk3368-pmugrf
>> +
>> +    then:
>> +      properties:
>> +        reboot-mode:
>> +          type: object
>> +
>> +          $ref: "/schemas/power/reset/syscon-reboot-mode.yaml#"
>> +
>> +          unevaluatedProperties: false
>> +
>> +  usb2:
>> +    if:
>> +      properties:
>> +        compatible:
>> +          contains:
>> +            enum:
>> +              - rockchip,px30-usb2phy-grf
>> +              - rockchip,rk3228-grf
>> +              - rockchip,rk3328-usb2phy-grf
>> +              - rockchip,rk3399-grf
>> +              - rockchip,rv1108-grf
>> +
>> +    then:
>> +      properties:
>> +        "#address-cells":
>> +          const: 1
>> +
>> +        "#size-cells":
>> +          const: 1
>> +
>> +      required:
>> +        - "#address-cells"
>> +        - "#size-cells"
>> +
>> +      patternProperties:
>> +        "usb2-phy@[0-9a-f]+$":
>> +          type: object
>> +
>> +          $ref: "/schemas/phy/phy-rockchip-inno-usb2.yaml#"
>> +
>> +          unevaluatedProperties: false
>> +
>> +  domains:
>> +    if:
>> +      properties:
>> +        compatible:
>> +          contains:
>> +            enum:
>> +              - rockchip,px30-pmugrf
>> +              - rockchip,px30-grf
>> +              - rockchip,rk3228-grf
>> +              - rockchip,rk3288-grf
>> +              - rockchip,rk3328-grf
>> +              - rockchip,rk3368-pmugrf
>> +              - rockchip,rk3368-grf
>> +              - rockchip,rk3399-pmugrf
>> +              - rockchip,rk3399-grf
>> +
>> +    then:
>> +      properties:
>> +        io-domains:
>> +          description:
>> +            Documentation/devicetree/bindings/power/rockchip-io-domain.txt
>> +
>> +examples:
>> +  - |
>> +    #include <dt-bindings/clock/rk3399-cru.h>
>> +    #include <dt-bindings/interrupt-controller/arm-gic.h>
>> +    #include <dt-bindings/power/rk3399-power.h>
>> +    grf: syscon@ff770000 {
>> +      compatible = "rockchip,rk3399-grf", "syscon", "simple-mfd";
>> +      reg = <0xff770000 0x10000>;
>> +      #address-cells = <1>;
>> +      #size-cells = <1>;
>> +
>> +      mipi_dphy_rx0: mipi-dphy-rx0 {
>> +        compatible = "rockchip,rk3399-mipi-dphy-rx0";
>> +        clocks = <&cru SCLK_MIPIDPHY_REF>,
>> +                 <&cru SCLK_DPHY_RX0_CFG>,
>> +                 <&cru PCLK_VIO_GRF>;
>> +        clock-names = "dphy-ref", "dphy-cfg", "grf";
>> +        power-domains = <&power RK3399_PD_VIO>;
>> +        #phy-cells = <0>;
>> +      };
>> +
>> +      u2phy0: usb2-phy@e450 {
>> +        compatible = "rockchip,rk3399-usb2phy";
>> +        reg = <0xe450 0x10>;
>> +        clocks = <&cru SCLK_USB2PHY0_REF>;
>> +        clock-names = "phyclk";
>> +        #clock-cells = <0>;
>> +        clock-output-names = "clk_usbphy0_480m";
>> +        #phy-cells = <0>;
>> +
>> +        u2phy0_host: host-port {
>> +          #phy-cells = <0>;
>> +          interrupts = <GIC_SPI 27 IRQ_TYPE_LEVEL_HIGH 0>;
>> +          interrupt-names = "linestate";
>> +         };
>> +
>> +        u2phy0_otg: otg-port {
>> +          #phy-cells = <0>;
>> +          interrupts = <GIC_SPI 103 IRQ_TYPE_LEVEL_HIGH 0>,
>> +                       <GIC_SPI 104 IRQ_TYPE_LEVEL_HIGH 0>,
>> +                       <GIC_SPI 106 IRQ_TYPE_LEVEL_HIGH 0>;
>> +          interrupt-names = "otg-bvalid", "otg-id",
>> +                            "linestate";
>> +        };
>> +      };
>> +    };
>> -- 
>> 2.11.0
>>====

From c7d3c5abc51f2aaed01081570c5954c3973537d0 Mon Sep 17 00:00:00 2001
From: Johan Jonker <jbx6244@gmail.com>
Date: Mon, 10 May 2021 18:24:49 +0200
Subject: [PATCH] revert $ref fix

---
 .../devicetree/bindings/soc/rockchip/grf.yaml      | 30
+++++-----------------
 1 file changed, 7 insertions(+), 23 deletions(-)

diff --git a/Documentation/devicetree/bindings/soc/rockchip/grf.yaml
b/Documentation/devicetree/bindings/soc/rockchip/grf.yaml
index 264e2e5ff..8a8943317 100644
--- a/Documentation/devicetree/bindings/soc/rockchip/grf.yaml
+++ b/Documentation/devicetree/bindings/soc/rockchip/grf.yaml
@@ -53,17 +53,7 @@ required:
 unevaluatedProperties: false

 allOf:
-  - $ref: "#/$defs/px30-grf"
-  - $ref: "#/$defs/rk3288-grf"
-  - $ref: "#/$defs/rk3328-grf"
-  - $ref: "#/$defs/rk3399-grf"
-  - $ref: "#/$defs/reboot"
-  - $ref: "#/$defs/usb2"
-  - $ref: "#/$defs/domains"
-
-$defs:
-  px30-grf:
-    if:
+  - if:
       properties:
         compatible:
           contains:
@@ -75,8 +65,7 @@ $defs:
           description:

Documentation/devicetree/bindings/display/rockchip/rockchip-lvds.txt

-  rk3288-grf:
-    if:
+  - if:
       properties:
         compatible:
           contains:
@@ -92,8 +81,7 @@ $defs:
           description:
             Documentation/devicetree/bindings/phy/rockchip-usb-phy.txt

-  rk3328-grf:
-    if:
+  - if:
       properties:
         compatible:
           contains:
@@ -115,8 +103,7 @@ $defs:

           unevaluatedProperties: false

-  rk3399-grf:
-    if:
+  - if:
       properties:
         compatible:
           contains:
@@ -140,8 +127,7 @@ $defs:
           description:
             Documentation/devicetree/bindings/phy/rockchip-emmc-phy.txt

-  reboot:
-    if:
+  - if:
       properties:
         compatible:
           contains:
@@ -160,8 +146,7 @@ $defs:

           unevaluatedProperties: false

-  usb2:
-    if:
+  - if:
       properties:
         compatible:
           contains:
@@ -192,8 +177,7 @@ $defs:

           unevaluatedProperties: false

-  domains:
-    if:
+  - if:
       properties:
         compatible:
           contains:
-- 
2.11.0