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Message-ID: <4eca2695-cb73-eaad-4c8a-82dec923825e@gmail.com>
Date: Wed, 18 Jan 2023 22:05:40 +0100
From: Johan Jonker <jbx6244@...il.com>
To: Rob Herring <robh@...nel.org>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Felipe Balbi <balbi@...nel.org>,
Heiko Stuebner <heiko@...ech.de>
Cc: linux-rockchip@...ts.infradead.org,
Thinh Nguyen <Thinh.Nguyen@...opsys.com>,
linux-arm-kernel@...ts.infradead.org, linux-usb@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 2/2] dt-bindings: usb: rockchip,dwc3: Move RK3399 to
its own schema
Hi,
Some alignment at the examples and the unknown extcon property.
usb@...00000: 'extcon' does not match any of the regexes
Johan
On 1/18/23 20:30, Rob Herring wrote:
> The rockchip,dwc3.yaml schema defines a single DWC3 node, but the RK3399
> uses the discouraged parent wrapper node and child 'generic' DWC3 node.
> The intent was to modify the RK3399 DTs to use a single node, but the DT
> changes were rejected for ABI reasons. However, the schema was accepted
> as-is.
>
> To fix this, we need to move the RK3399 binding to its own schema file.
> The RK3328 and RK3568 bindings are correct and use a single node.
>
> Cc: Johan Jonker <jbx6244@...il.com>
> Signed-off-by: Rob Herring <robh@...nel.org>
> ---
> .../bindings/usb/rockchip,dwc3.yaml | 10 +-
> .../bindings/usb/rockchip,rk3399-dwc3.yaml | 115 ++++++++++++++++++
> 2 files changed, 119 insertions(+), 6 deletions(-)
> create mode 100644 Documentation/devicetree/bindings/usb/rockchip,rk3399-dwc3.yaml
>
> diff --git a/Documentation/devicetree/bindings/usb/rockchip,dwc3.yaml b/Documentation/devicetree/bindings/usb/rockchip,dwc3.yaml
> index b3798d94d2fd..edb130c780e4 100644
> --- a/Documentation/devicetree/bindings/usb/rockchip,dwc3.yaml
> +++ b/Documentation/devicetree/bindings/usb/rockchip,dwc3.yaml
> @@ -29,7 +29,6 @@ select:
> contains:
> enum:
> - rockchip,rk3328-dwc3
> - - rockchip,rk3399-dwc3
> - rockchip,rk3568-dwc3
> required:
> - compatible
> @@ -39,7 +38,6 @@ properties:
> items:
> - enum:
> - rockchip,rk3328-dwc3
> - - rockchip,rk3399-dwc3
> - rockchip,rk3568-dwc3
> - const: snps,dwc3
>
> @@ -90,7 +88,7 @@ required:
>
> examples:
> - |
> - #include <dt-bindings/clock/rk3399-cru.h>
> + #include <dt-bindings/clock/rk3328-cru.h>
> #include <dt-bindings/interrupt-controller/arm-gic.h>
>
> bus {
> @@ -98,11 +96,11 @@ examples:
> #size-cells = <2>;
>
> usbdrd3_0: usb@...00000 {
> - compatible = "rockchip,rk3399-dwc3", "snps,dwc3";
> + compatible = "rockchip,rk3328-dwc3", "snps,dwc3";
> reg = <0x0 0xfe800000 0x0 0x100000>;
> interrupts = <GIC_SPI 105 IRQ_TYPE_LEVEL_HIGH>;
> - clocks = <&cru SCLK_USB3OTG0_REF>, <&cru SCLK_USB3OTG0_SUSPEND>,
> - <&cru ACLK_USB3OTG0>, <&cru ACLK_USB3_GRF>;
> + clocks = <&cru SCLK_USB3OTG_REF>, <&cru SCLK_USB3OTG_SUSPEND>,
> + <&cru ACLK_USB3OTG>;
align
> clock-names = "ref_clk", "suspend_clk",
> "bus_clk", "grf_clk";
> dr_mode = "otg";
> diff --git a/Documentation/devicetree/bindings/usb/rockchip,rk3399-dwc3.yaml b/Documentation/devicetree/bindings/usb/rockchip,rk3399-dwc3.yaml
> new file mode 100644
> index 000000000000..e39a8a3a7ab3
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/usb/rockchip,rk3399-dwc3.yaml
> @@ -0,0 +1,115 @@
> +# SPDX-License-Identifier: GPL-2.0
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/usb/rockchip,rk3399-dwc3.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Rockchip RK3399 SuperSpeed DWC3 USB SoC controller
> +
> +maintainers:
> + - Heiko Stuebner <heiko@...ech.de>
> +
> +properties:
> + compatible:
> + const: rockchip,rk3399-dwc3
> +
> + '#address-cells':
> + const: 2
> +
> + '#size-cells':
> + const: 2
> +
> + ranges: true
> +
> + clocks:
> + items:
> + - description:
> + Controller reference clock, must to be 24 MHz
> + - description:
> + Controller suspend clock, must to be 24 MHz or 32 KHz
> + - description:
> + Master/Core clock, must to be >= 62.5 MHz for SS
> + operation and >= 30MHz for HS operation
> + - description:
> + USB3 aclk peri
> + - description:
> + USB3 aclk
> + - description:
> + Controller grf clock
> +
> + clock-names:
> + items:
> + - const: ref_clk
> + - const: suspend_clk
> + - const: bus_clk
> + - const: aclk_usb3_rksoc_axi_perf
> + - const: aclk_usb3
> + - const: grf_clk
> +
> + resets:
> + maxItems: 1
> +
> + reset-names:
> + const: usb3-otg
> +
> +patternProperties:
> + '^usb@':
> + $ref: snps,dwc3.yaml#
> +
> +additionalProperties: false
> +
> +required:
> + - compatible
> + - '#address-cells'
> + - '#size-cells'
> + - ranges
> + - clocks
> + - clock-names
> + - resets
> + - reset-names
> +
> +examples:
> + - |
> + #include <dt-bindings/clock/rk3399-cru.h>
> + #include <dt-bindings/power/rk3399-power.h>
> + #include <dt-bindings/interrupt-controller/arm-gic.h>
> +
> + bus {
> + #address-cells = <2>;
> + #size-cells = <2>;
> +
> + usb {
> + compatible = "rockchip,rk3399-dwc3";
> + #address-cells = <2>;
> + #size-cells = <2>;
> + ranges;
> + clocks = <&cru SCLK_USB3OTG0_REF>, <&cru SCLK_USB3OTG0_SUSPEND>,
> + <&cru ACLK_USB3OTG0>, <&cru ACLK_USB3_RKSOC_AXI_PERF>,
> + <&cru ACLK_USB3>, <&cru ACLK_USB3_GRF>;
align
> + clock-names = "ref_clk", "suspend_clk",
> + "bus_clk", "aclk_usb3_rksoc_axi_perf",
> + "aclk_usb3", "grf_clk";
align
> + resets = <&cru SRST_A_USB3_OTG0>;
> + reset-names = "usb3-otg";
> +
> + usb@...00000 {
> + compatible = "snps,dwc3";
> + reg = <0x0 0xfe800000 0x0 0x100000>;
> + interrupts = <GIC_SPI 105 IRQ_TYPE_LEVEL_HIGH 0>;
> + clocks = <&cru SCLK_USB3OTG0_REF>, <&cru ACLK_USB3OTG0>,
> + <&cru SCLK_USB3OTG0_SUSPEND>;
align
> + clock-names = "ref", "bus_early", "suspend";
> + dr_mode = "otg";
> + phys = <&u2phy0_otg>, <&tcphy0_usb3>;
> + phy-names = "usb2-phy", "usb3-phy";
> + phy_type = "utmi_wide";
> + snps,dis_enblslpm_quirk;
> + snps,dis-u2-freeclk-exists-quirk;
> + snps,dis_u2_susphy_quirk;
> + snps,dis-del-phy-power-chg-quirk;
> + snps,dis-tx-ipgap-linecheck-quirk;
> + power-domains = <&power RK3399_PD_USB3>;
> + };
> + };
> + };
> +...
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