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Date: Mon, 4 Dec 2023 19:56:45 +0100
From: Alex Bee <knaerzche@...il.com>
To: Johan Jonker <jbx6244@...il.com>, heiko@...ech.de,
hjc@...k-chips.com
Cc: maarten.lankhorst@...ux.intel.com, mripard@...nel.org,
tzimmermann@...e.de, airlied@...il.com, daniel@...ll.ch,
robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
conor+dt@...nel.org, dri-devel@...ts.freedesktop.org,
devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1 1/3] dt-bindings: drm: rockchip: convert
inno_hdmi-rockchip.txt to yaml
Hi Johan,
Am 04.12.23 um 18:39 schrieb Johan Jonker:
> Convert inno_hdmi-rockchip.txt to yaml.
Nice - I'm having something very similar on my queue :)
>
> Signed-off-by: Johan Jonker <jbx6244@...il.com>
> ---
>
> Note for rob+dt:
> Used enum to "soon" be able to add "rockchip,rk3128-inno-hdmi"
Yeah, actually I'm planning to submit it really soon (if timne allows).
>
> Changed V1:
> Rename file to more common layout
> Add/fix hdmi_out port example
> ---
> .../display/rockchip/inno_hdmi-rockchip.txt | 49 ---------
> .../display/rockchip/rockchip,inno-hdmi.yaml | 103 ++++++++++++++++++
> 2 files changed, 103 insertions(+), 49 deletions(-)
> delete mode 100644 Documentation/devicetree/bindings/display/rockchip/inno_hdmi-rockchip.txt
> create mode 100644 Documentation/devicetree/bindings/display/rockchip/rockchip,inno-hdmi.yaml
>
> diff --git a/Documentation/devicetree/bindings/display/rockchip/inno_hdmi-rockchip.txt b/Documentation/devicetree/bindings/display/rockchip/inno_hdmi-rockchip.txt
> deleted file mode 100644
> index cec21714f0e0..000000000000
> --- a/Documentation/devicetree/bindings/display/rockchip/inno_hdmi-rockchip.txt
> +++ /dev/null
> @@ -1,49 +0,0 @@
> -Rockchip specific extensions to the Innosilicon HDMI
> -================================
> -
> -Required properties:
> -- compatible:
> - "rockchip,rk3036-inno-hdmi";
> -- reg:
> - Physical base address and length of the controller's registers.
> -- clocks, clock-names:
> - Phandle to hdmi controller clock, name should be "pclk"
> -- interrupts:
> - HDMI interrupt number
> -- ports:
> - Contain one port node with endpoint definitions as defined in
> - Documentation/devicetree/bindings/graph.txt.
> -- pinctrl-0, pinctrl-name:
> - Switch the iomux of HPD/CEC pins to HDMI function.
> -
> -Example:
> -hdmi: hdmi@...34000 {
> - compatible = "rockchip,rk3036-inno-hdmi";
> - reg = <0x20034000 0x4000>;
> - interrupts = <GIC_SPI 45 IRQ_TYPE_LEVEL_HIGH>;
> - clocks = <&cru PCLK_HDMI>;
> - clock-names = "pclk";
> - pinctrl-names = "default";
> - pinctrl-0 = <&hdmi_ctl>;
> -
> - hdmi_in: port {
> - #address-cells = <1>;
> - #size-cells = <0>;
> - hdmi_in_lcdc: endpoint@0 {
> - reg = <0>;
> - remote-endpoint = <&lcdc_out_hdmi>;
> - };
> - };
> -};
> -
> -&pinctrl {
> - hdmi {
> - hdmi_ctl: hdmi-ctl {
> - rockchip,pins = <1 8 RK_FUNC_1 &pcfg_pull_none>,
> - <1 9 RK_FUNC_1 &pcfg_pull_none>,
> - <1 10 RK_FUNC_1 &pcfg_pull_none>,
> - <1 11 RK_FUNC_1 &pcfg_pull_none>;
> - };
> - };
> -
> -};
> diff --git a/Documentation/devicetree/bindings/display/rockchip/rockchip,inno-hdmi.yaml b/Documentation/devicetree/bindings/display/rockchip/rockchip,inno-hdmi.yaml
> new file mode 100644
> index 000000000000..96889c86849a
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/rockchip/rockchip,inno-hdmi.yaml
> @@ -0,0 +1,103 @@
> +# SPDX-License-Identifier: GPL-2.0
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/display/rockchip/rockchip,inno-hdmi.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Rockchip Innosilicon HDMI controller
> +
> +maintainers:
> + - Sandy Huang <hjc@...k-chips.com>
> + - Heiko Stuebner <heiko@...ech.de>
> +
> +properties:
> + compatible:
> + enum:
> + - rockchip,rk3036-inno-hdmi
> +
> + reg:
> + maxItems: 1
> +
> + interrupts:
> + maxItems: 1
> +
> + clocks:
> + maxItems: 1
The interrupts/clock description exists already in the txt-bindings - so
how about:
+ items:
+ - descrition: ....
> +
> + clock-names:
> + const: pclk
> +
> + ports:
> + $ref: /schemas/graph.yaml#/properties/ports
> +
> + properties:
> + port@0:
> + $ref: /schemas/graph.yaml#/properties/port
> + description:
> + Port node with one endpoint connected to a vop node.
> +
> + port@1:
> + $ref: /schemas/graph.yaml#/properties/port
> + description:
> + Port node with one endpoint connected to a hdmi-connector node.
> +
> + required:
> + - port@0
> + - port@1
> +
> +required:
> + - compatible
> + - reg
> + - interrupts
> + - clocks
> + - clock-names
> + - pinctrl-0
> + - pinctrl-names
> + - ports
> +
> +additionalProperties: false
Did you check that with dtbs_check? RK3036's SoC dtsi also contains a
rockchip,grf = <&grf>;
and I'm not seeing this removed in this series.
It would be great if that would added here to as requirement
for RK3036 too (and updated in the example)
Even if it is beyond a pure txt to yaml conversion: RK3036 needs to set
HDMI polarities in GRF.
Regards,
Alex
> +
> +examples:
> + - |
> + #include <dt-bindings/clock/rk3036-cru.h>
> + #include <dt-bindings/interrupt-controller/arm-gic.h>
> + #include <dt-bindings/pinctrl/rockchip.h>
> + hdmi: hdmi@...34000 {
> + compatible = "rockchip,rk3036-inno-hdmi";
> + reg = <0x20034000 0x4000>;
> + interrupts = <GIC_SPI 45 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&cru PCLK_HDMI>;
> + clock-names = "pclk";
> + pinctrl-names = "default";
> + pinctrl-0 = <&hdmi_ctl>;
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + hdmi_in: port@0 {
> + reg = <0>;
> + hdmi_in_vop: endpoint {
> + remote-endpoint = <&vop_out_hdmi>;
> + };
> + };
> +
> + hdmi_out: port@1 {
> + reg = <1>;
> + hdmi_out_con: endpoint {
> + remote-endpoint = <&hdmi_con_in>;
> + };
> + };
> + };
> + };
> +
> + pinctrl {
> + hdmi {
> + hdmi_ctl: hdmi-ctl {
> + rockchip,pins = <1 RK_PB0 1 &pcfg_pull_none>,
> + <1 RK_PB1 1 &pcfg_pull_none>,
> + <1 RK_PB2 1 &pcfg_pull_none>,
> + <1 RK_PB3 1 &pcfg_pull_none>;
> + };
> + };
> + };
> --
> 2.39.2
>
>
> _______________________________________________
> Linux-rockchip mailing list
> Linux-rockchip@...ts.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-rockchip
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