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author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2024-09-06 06:49:07 +0200 |
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committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2024-09-06 06:49:07 +0200 |
commit | f057b57270c2a17d3f45c177e9434fa5745caa48 (patch) | |
tree | 1c9a2475ea9305f8b128bb8fb74d74660445a6fa /Documentation/devicetree/bindings/display/st,stm32mp25-lvds.yaml | |
parent | Input: synaptics-rmi4 - fix crash when DPM query is not supported (diff) | |
parent | Input: matrix_keypad - remove support for platform data (diff) | |
download | linux-f057b57270c2a17d3f45c177e9434fa5745caa48.tar.xz linux-f057b57270c2a17d3f45c177e9434fa5745caa48.zip |
Merge branch 'ib/6.11-rc6-matrix-keypad-spitz' into next
Bring in changes removing support for platform data from matrix-keypad
driver.
Diffstat (limited to 'Documentation/devicetree/bindings/display/st,stm32mp25-lvds.yaml')
-rw-r--r-- | Documentation/devicetree/bindings/display/st,stm32mp25-lvds.yaml | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/display/st,stm32mp25-lvds.yaml b/Documentation/devicetree/bindings/display/st,stm32mp25-lvds.yaml new file mode 100644 index 000000000000..6736f93256b5 --- /dev/null +++ b/Documentation/devicetree/bindings/display/st,stm32mp25-lvds.yaml @@ -0,0 +1,119 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/st,stm32mp25-lvds.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: STMicroelectronics STM32 LVDS Display Interface Transmitter + +maintainers: + - Raphael Gallais-Pou <raphael.gallais-pou@foss.st.com> + - Yannick Fertre <yannick.fertre@foss.st.com> + +description: | + The STMicroelectronics STM32 LVDS Display Interface Transmitter handles the + LVDS protocol: it maps the pixels received from the upstream Pixel-DMA (LTDC) + onto the LVDS PHY. + + It is composed of three sub blocks: + - LVDS host: handles the LVDS protocol (FPD / OpenLDI) and maps its input + pixels onto the data lanes of the PHY + - LVDS PHY: parallelize the data and drives the LVDS data lanes + - LVDS wrapper: handles top-level settings + + The LVDS controller driver supports the following high-level features: + - FDP-Link-I and OpenLDI (v0.95) protocols + - Single-Link or Dual-Link operation + - Single-Display or Double-Display (with the same content duplicated on both) + - Flexible Bit-Mapping, including JEIDA and VESA + - RGB888 or RGB666 output + - Synchronous design, with one input pixel per clock cycle + +properties: + compatible: + const: st,stm32mp25-lvds + + "#clock-cells": + const: 0 + description: + Provides the internal LVDS PHY clock to the framework. + + reg: + maxItems: 1 + + clocks: + items: + - description: APB peripheral clock + - description: Reference clock for the internal PLL + + clock-names: + items: + - const: pclk + - const: ref + + resets: + maxItems: 1 + + ports: + $ref: /schemas/graph.yaml#/properties/ports + + properties: + port@0: + $ref: /schemas/graph.yaml#/properties/port + description: + LVDS input port node, connected to the LTDC RGB output port. + + port@1: + $ref: /schemas/graph.yaml#/properties/port + description: + LVDS output port node, connected to a panel or bridge input port. + + required: + - port@0 + - port@1 + +required: + - compatible + - "#clock-cells" + - reg + - clocks + - clock-names + - resets + - ports + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/st,stm32mp25-rcc.h> + #include <dt-bindings/reset/st,stm32mp25-rcc.h> + + lvds: lvds@48060000 { + compatible = "st,stm32mp25-lvds"; + reg = <0x48060000 0x2000>; + #clock-cells = <0>; + clocks = <&rcc CK_BUS_LVDS>, <&rcc CK_KER_LVDSPHY>; + clock-names = "pclk", "ref"; + resets = <&rcc LVDS_R>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + lvds_in: endpoint { + remote-endpoint = <<dc_ep1_out>; + }; + }; + + port@1 { + reg = <1>; + lvds_out0: endpoint { + remote-endpoint = <&lvds_panel_in>; + }; + }; + }; + }; + +... |