diff options
author | Jyri Sarha <jsarha@ti.com> | 2019-11-19 11:53:18 +0200 |
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committer | Jyri Sarha <jsarha@ti.com> | 2020-01-27 19:26:48 +0200 |
commit | 9ad676e5fd45a18227a52091038a4f47b350cf4d (patch) | |
tree | 31687a433c182b38689bc9fd1e9143f57c432180 | |
parent | d20615f8e2c6fe6fefe96bf2e6a81aec28aa15f0 (diff) |
dt-bindings: display: ti,k2g-dss: Add dt-schema yaml binding
Add dt-schema yaml bindig for K2G DSS, an ultra-light version of TI
Keystone Display SubSystem.
Version history:
v2: no change
v3: - Add ports node
- Add includes to dts example
- reindent dts example
v4: - Add descriptions to reg and clocks properties
- Remove minItems when its value is the same as maxItems value
- Remove ports node
v5: - itemize reg and clocks properties' descriptions
v6: - Add Reviewed-by: from Rob Herring <robh@kernel.org> and
Benoit Parrot <bparrot@ti.com>
v7: no change
v8: no change
v9: - Remove ports-node from the dts example
Signed-off-by: Jyri Sarha <jsarha@ti.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Benoit Parrot <bparrot@ti.com>
Link: https://patchwork.freedesktop.org/patch/msgid/270297321f0768c10e241d289e3ac10e39cf12a9.1580129724.git.jsarha@ti.com
-rw-r--r-- | Documentation/devicetree/bindings/display/ti/ti,k2g-dss.yaml | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/display/ti/ti,k2g-dss.yaml b/Documentation/devicetree/bindings/display/ti/ti,k2g-dss.yaml new file mode 100644 index 000000000000..385bd060ccf9 --- /dev/null +++ b/Documentation/devicetree/bindings/display/ti/ti,k2g-dss.yaml @@ -0,0 +1,106 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +# Copyright 2019 Texas Instruments Incorporated +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/display/ti/ti,k2g-dss.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: Texas Instruments K2G Display Subsystem + +maintainers: + - Jyri Sarha <jsarha@ti.com> + - Tomi Valkeinen <tomi.valkeinen@ti.com> + +description: | + The K2G DSS is an ultra-light version of TI Keystone Display + SubSystem. It has only one output port and video plane. The + output is DPI. + +properties: + compatible: + const: ti,k2g-dss + + reg: + items: + - description: cfg DSS top level + - description: common DISPC common + - description: VID1 video plane 1 + - description: OVR1 overlay manager for vp1 + - description: VP1 video port 1 + + reg-names: + items: + - const: cfg + - const: common + - const: vid1 + - const: ovr1 + - const: vp1 + + clocks: + items: + - description: fck DSS functional clock + - description: vp1 Video Port 1 pixel clock + + clock-names: + items: + - const: fck + - const: vp1 + + interrupts: + maxItems: 1 + + power-domains: + maxItems: 1 + description: phandle to the associated power domain + + port: + type: object + description: + Port as described in Documentation/devictree/bindings/graph.txt. + The DSS DPI output port node + + max-memory-bandwidth: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + Input memory (from main memory to dispc) bandwidth limit in + bytes per second + +required: + - compatible + - reg + - reg-names + - clocks + - clock-names + - interrupts + - port + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/interrupt-controller/irq.h> + + dss: dss@02540000 { + compatible = "ti,k2g-dss"; + reg = <0x02540000 0x400>, + <0x02550000 0x1000>, + <0x02557000 0x1000>, + <0x0255a800 0x100>, + <0x0255ac00 0x100>; + reg-names = "cfg", "common", "vid1", "ovr1", "vp1"; + clocks = <&k2g_clks 0x2 0>, + <&k2g_clks 0x2 1>; + clock-names = "fck", "vp1"; + interrupts = <GIC_SPI 247 IRQ_TYPE_EDGE_RISING>; + + power-domains = <&k2g_pds 0x2>; + + max-memory-bandwidth = <230000000>; + + port { + dpi_out: endpoint { + remote-endpoint = <&sii9022_in>; + }; + }; + }; |