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Date: Fri, 30 Apr 2021 12:58:30 +0200
From: Johan Jonker <jbx6244@...il.com>
To: cl@...k-chips.com, heiko@...ech.de
Cc: robh+dt@...nel.org, jagan@...rulasolutions.com, wens@...e.org,
uwe@...ine-koenig.org, mail@...id-bauer.net,
linux-arm-kernel@...ts.infradead.org,
linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org,
jensenhuang@...endlyarm.com, michael@...rulasolutions.com,
cnsztl@...il.com, devicetree@...r.kernel.org,
ulf.hansson@...aro.org, linux-mmc@...r.kernel.org,
gregkh@...uxfoundation.org, linux-serial@...r.kernel.org,
linux-i2c@...r.kernel.org, jay.xu@...k-chips.com,
shawn.lin@...k-chips.com, david.wu@...k-chips.com,
zhangqing@...k-chips.com, huangtao@...k-chips.com,
wim@...ux-watchdog.org, linux@...ck-us.net, jamie@...ieiles.com,
linux-watchdog@...r.kernel.org, maz@...nel.org
Subject: Re: [RESEND PATCH v4 07/10] dt-bindings: soc: rockchip: Convert
grf.txt to YAML
Hi Liang,
On 4/30/21 2:57 AM, cl@...k-chips.com wrote:
> From: Liang Chen <cl@...k-chips.com>
>
> Current dts files with 'grf' nodes are manually verified. In order to
> automate this process grf.txt has to be converted to YAML.
>
> Add new descriptions for:
> "rockchip,rk3568-grf", "syscon", "simple-mfd"
> "rockchip,rk3568-pmugrf", "syscon", "simple-mfd"
"rockchip,rv1108-pmugrf", "syscon"
>
> Signed-off-by: Liang Chen <cl@...k-chips.com>
> ---
> .../devicetree/bindings/soc/rockchip/grf.txt | 61 -------------------
> .../devicetree/bindings/soc/rockchip/grf.yaml | 60 ++++++++++++++++++
> 2 files changed, 60 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 f96511aa3897..000000000000
> --- 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@...20000 {
> - compatible = "rockchip,rk3399-pmugrf", "syscon";
> - reg = <0x0 0xff320000 0x0 0x1000>;
> - };
> -
> - grf: syscon@...70000 {
> - 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 000000000000..21a67b9ae59c
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/soc/rockchip/grf.yaml
> @@ -0,0 +1,60 @@
> +# 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
> +
> +maintainers:
> + - Heiko Stuebner <heiko@...ech.de>
> +
syscon.yaml uses select if compatible contains "syscon", so use select
here too ??
> +properties:
> + compatible:
> + items:
When there are no other combinations then with syscon and simple-mfd
then there's no need for "oneOf", but a look in the build log shows
there are 2 (3) exceptions:
#cat build-dtbs-1471909.log | grep short
rv1108-elgin-r1.dt.yaml: syscon@...a0000: compatible:
['rockchip,rv1108-usbgrf', 'syscon'] is too short
rk3288-evb-act8846.dt.yaml: syscon@...40000: compatible:
['rockchip,rk3288-sgrf', 'syscon'] is too short
https://patchwork.ozlabs.org/project/devicetree-bindings/patch/20210430005708.1821-1-cl@rock-chips.com/
===
pmugrf: syscon@...60000 {
compatible = "rockchip,rv1108-pmugrf", "syscon";
rockchip,rv1108-pmugrf was never added to a document.
reg = <0x20060000 0x1000>;
};
usbgrf: syscon@...a0000 {
compatible = "rockchip,rv1108-usbgrf", "syscon";
reg = <0x202a0000 0x1000>;
};
===
compatible:
oneOf:
- items:
- enum:
- 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,rk3066-grf
- rockchip,rk3188-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
> + - enum:
> + - rockchip,px30-grf
> + - rockchip,px30-pmugrf
> + - rockchip,px30-usb2phy-grf
> + - rockchip,rk3036-grf
> + - rockchip,rk3066-grf
> + - rockchip,rk3188-grf
> + - rockchip,rk3228-grf
> + - rockchip,rk3288-grf
> + - rockchip,rk3288-sgrf
> + - 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
> + - rockchip,rv1108-usbgrf
> + - const: syscon
> + - const: simple-mfd
> +
> + reg:> + maxItems: 1
"#address-cells":
const: 1
"#size-cells":
const: 1
rk3228-evb.dt.yaml: syscon@...00000: '#address-cells', '#size-cells',
'io-domains', 'usb2-phy@...', 'usb2-phy@...' do not match any of the
regexes: 'pinctrl-[0-9]+'
> +
> +required:
> + - compatible
> + - reg
> +
> +additionalProperties: false
additionalProperties: true
> +
> +examples:
> + - |
> + pmugrf: syscon@...20000 {
> + compatible = "rockchip,rk3399-pmugrf", "syscon", "simple-mfd";
> + reg = <0xff320000 0x1000>;
> + };
> +
> + grf: syscon@...70000 {
> + compatible = "rockchip,rk3399-grf", "syscon", "simple-mfd";
> + reg = <0xff770000 0x10000>;
> + };
>
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