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Message-ID: <20200323194128.GD8470@bogus>
Date: Mon, 23 Mar 2020 13:41:28 -0600
From: Rob Herring <robh@...nel.org>
To: Johan Jonker <jbx6244@...il.com>
Cc: heiko@...ech.de, hjc@...k-chips.com, airlied@...ux.ie,
daniel@...ll.ch, 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] dt-bindings: display: rockchip: convert rockchip vop
bindings to yaml
On Fri, Mar 06, 2020 at 06:03:53PM +0100, Johan Jonker wrote:
> Current dts files with 'vop' nodes are manually verified.
> In order to automate this process rockchip-vop.txt
> has to be converted to yaml. Also included are new
> properties needed for the latest Rockchip Socs.
>
> Added properties:
> assigned-clocks
> assigned-clock-rates
> power-domains
> rockchip,grf
>
> Signed-off-by: Johan Jonker <jbx6244@...il.com>
> ---
> .../bindings/display/rockchip/rockchip-vop.txt | 74 -----------
> .../bindings/display/rockchip/rockchip-vop.yaml | 141 +++++++++++++++++++++
> 2 files changed, 141 insertions(+), 74 deletions(-)
> delete mode 100644 Documentation/devicetree/bindings/display/rockchip/rockchip-vop.txt
> create mode 100644 Documentation/devicetree/bindings/display/rockchip/rockchip-vop.yaml
> diff --git a/Documentation/devicetree/bindings/display/rockchip/rockchip-vop.yaml b/Documentation/devicetree/bindings/display/rockchip/rockchip-vop.yaml
> new file mode 100644
> index 000000000..93ccd32aa
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/rockchip/rockchip-vop.yaml
> @@ -0,0 +1,141 @@
> +# SPDX-License-Identifier: GPL-2.0
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/display/rockchip/rockchip-vop.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Rockchip soc display controller (VOP)
> +
> +description:
> + VOP (Visual Output Processor) is the Display Controller for the Rockchip
> + series of SoCs which transfers the image data from a video memory
> + buffer to an external LCD interface.
> +
> +maintainers:
> + - Sandy Huang <hjc@...k-chips.com>
> + - Heiko Stuebner <heiko@...ech.de>
> +
> +properties:
> + compatible:
> + oneOf:
> + - const: rockchip,px30-vop-big
> + - const: rockchip,px30-vop-lit
> + - const: rockchip,rk3036-vop
> + - const: rockchip,rk3066-vop
> + - const: rockchip,rk3126-vop
> + - const: rockchip,rk3188-vop
> + - const: rockchip,rk3228-vop
> + - const: rockchip,rk3288-vop
> + - const: rockchip,rk3328-vop
> + - const: rockchip,rk3366-vop
> + - const: rockchip,rk3368-vop
> + - const: rockchip,rk3399-vop-big
> + - const: rockchip,rk3399-vop-lit
Use an 'enum' instead of oneOf+const.
> +
> + reg:
> + minItems: 1
> + items:
> + - description:
> + Must contain one entry corresponding to the base address and length
> + of the register space.
> + - description:
> + Can optionally contain a second entry corresponding to
> + the CRTC gamma LUT address.
> +
> + interrupts:
> + maxItems: 1
> + description:
> + Should contain a list of all VOP IP block interrupts in the
> + order VSYNC, LCD_SYSTEM. The interrupt specifier
> + format depends on the interrupt controller used.
maxItems and the description disagree.
> +
> + clocks:
> + items:
> + - description: Clock for ddr buffer transfer.
> + - description: Pixel clock.
> + - description: Clock for the ahb bus to R/W the phy regs.
> +
> + clock-names:
> + items:
> + - const: aclk_vop
> + - const: dclk_vop
> + - const: hclk_vop
> +
> + resets:
> + minItems: 3
> + maxItems: 3
Just maxItems is enough.
> +
> + reset-names:
> + items:
> + - const: axi
> + - const: ahb
> + - const: dclk
> +
> + port:
> + type: object
> + description:
> + A port node with endpoint definitions as defined in
> + Documentation/devicetree/bindings/media/video-interfaces.txt.
> +
> + assigned-clocks:
> + maxItems: 2
> +
> + assigned-clock-rates:
> + maxItems: 2
> +
> + iommus:
> + maxItems: 1
> +
> + power-domains:
> + maxItems: 1
> +
> + rockchip,grf:
> + $ref: /schemas/types.yaml#/definitions/phandle
> + description:
> + The phandle of the syscon node for
> + the general register file (GRF).
> +
> +required:
> + - compatible
> + - reg
> + - interrupts
> + - clocks
> + - clock-names
> + - resets
> + - reset-names
> + - port
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + #include <dt-bindings/clock/rk3288-cru.h>
> + #include <dt-bindings/interrupt-controller/arm-gic.h>
> + #include <dt-bindings/interrupt-controller/irq.h>
> + vopb: vopb@...30000 {
> + compatible = "rockchip,rk3288-vop";
> + reg = <0x0 0xff930000 0x0 0x19c>,
> + <0x0 0xff931000 0x0 0x1000>;
> + interrupts = <GIC_SPI 15 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&cru ACLK_VOP0>,
> + <&cru DCLK_VOP0>,
> + <&cru HCLK_VOP0>;
> + clock-names = "aclk_vop", "dclk_vop", "hclk_vop";
> + resets = <&cru SRST_LCDC1_AXI>,
> + <&cru SRST_LCDC1_AHB>,
> + <&cru SRST_LCDC1_DCLK>;
> + reset-names = "axi", "ahb", "dclk";
> + iommus = <&vopb_mmu>;
> + vopb_out: port {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + vopb_out_edp: endpoint@0 {
> + reg = <0>;
> + remote-endpoint=<&edp_in_vopb>;
> + };
> + vopb_out_hdmi: endpoint@1 {
> + reg = <1>;
> + remote-endpoint=<&hdmi_in_vopb>;
> + };
> + };
> + };
> --
> 2.11.0
>
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