diff options
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/display/bridge/ti,sn65dsi83.yaml | 159 | ||||
| -rw-r--r-- | Documentation/driver-api/dma-buf.rst | 9 | ||||
| -rw-r--r-- | Documentation/gpu/drm-mm.rst | 4 |
3 files changed, 170 insertions, 2 deletions
diff --git a/Documentation/devicetree/bindings/display/bridge/ti,sn65dsi83.yaml b/Documentation/devicetree/bindings/display/bridge/ti,sn65dsi83.yaml new file mode 100644 index 000000000000..d101233ae17f --- /dev/null +++ b/Documentation/devicetree/bindings/display/bridge/ti,sn65dsi83.yaml @@ -0,0 +1,159 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/bridge/ti,sn65dsi83.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: SN65DSI83 and SN65DSI84 DSI to LVDS bridge chip + +maintainers: + - Marek Vasut <marex@denx.de> + +description: | + Texas Instruments SN65DSI83 1x Single-link MIPI DSI + to 1x Single-link LVDS + https://www.ti.com/lit/gpn/sn65dsi83 + Texas Instruments SN65DSI84 1x Single-link MIPI DSI + to 1x Dual-link or 2x Single-link LVDS + https://www.ti.com/lit/gpn/sn65dsi84 + +properties: + compatible: + enum: + - ti,sn65dsi83 + - ti,sn65dsi84 + + reg: + enum: + - 0x2c + - 0x2d + + enable-gpios: + maxItems: 1 + description: GPIO specifier for bridge_en pin (active high). + + ports: + $ref: /schemas/graph.yaml#/properties/ports + + properties: + port@0: + $ref: /schemas/graph.yaml#/properties/port + description: Video port for MIPI DSI Channel-A input + + properties: + endpoint: + $ref: /schemas/media/video-interfaces.yaml# + unevaluatedProperties: false + + properties: + data-lanes: + description: array of physical DSI data lane indexes. + minItems: 1 + maxItems: 4 + items: + - const: 1 + - const: 2 + - const: 3 + - const: 4 + + port@1: + $ref: /schemas/graph.yaml#/properties/port + description: Video port for MIPI DSI Channel-B input + + properties: + endpoint: + $ref: /schemas/media/video-interfaces.yaml# + unevaluatedProperties: false + + properties: + data-lanes: + description: array of physical DSI data lane indexes. + minItems: 1 + maxItems: 4 + items: + - const: 1 + - const: 2 + - const: 3 + - const: 4 + + port@2: + $ref: /schemas/graph.yaml#/properties/port + description: Video port for LVDS Channel-A output (panel or bridge). + + port@3: + $ref: /schemas/graph.yaml#/properties/port + description: Video port for LVDS Channel-B output (panel or bridge). + + required: + - port@0 + - port@2 + +required: + - compatible + - reg + - enable-gpios + - ports + +allOf: + - if: + properties: + compatible: + contains: + const: ti,sn65dsi83 + then: + properties: + ports: + properties: + port@1: false + port@3: false + + - if: + properties: + compatible: + contains: + const: ti,sn65dsi84 + then: + properties: + ports: + properties: + port@1: false + +additionalProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + bridge@2d { + compatible = "ti,sn65dsi83"; + reg = <0x2d>; + + enable-gpios = <&gpio2 1 GPIO_ACTIVE_HIGH>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + + endpoint { + remote-endpoint = <&dsi0_out>; + data-lanes = <1 2 3 4>; + }; + }; + + port@2 { + reg = <2>; + + endpoint { + remote-endpoint = <&panel_in_lvds>; + }; + }; + }; + }; + }; diff --git a/Documentation/driver-api/dma-buf.rst b/Documentation/driver-api/dma-buf.rst index 7f37ec30d9fd..7f21425d9435 100644 --- a/Documentation/driver-api/dma-buf.rst +++ b/Documentation/driver-api/dma-buf.rst @@ -178,6 +178,15 @@ DMA Fence Array .. kernel-doc:: include/linux/dma-fence-array.h :internal: +DMA Fence Chain +~~~~~~~~~~~~~~~ + +.. kernel-doc:: drivers/dma-buf/dma-fence-chain.c + :export: + +.. kernel-doc:: include/linux/dma-fence-chain.h + :internal: + DMA Fence uABI/Sync File ~~~~~~~~~~~~~~~~~~~~~~~~ diff --git a/Documentation/gpu/drm-mm.rst b/Documentation/gpu/drm-mm.rst index 21be6deadc12..d5a73fa2c9ef 100644 --- a/Documentation/gpu/drm-mm.rst +++ b/Documentation/gpu/drm-mm.rst @@ -469,8 +469,8 @@ DRM MM Range Allocator Function References .. kernel-doc:: drivers/gpu/drm/drm_mm.c :export: -DRM Cache Handling -================== +DRM Cache Handling and Fast WC memcpy() +======================================= .. kernel-doc:: drivers/gpu/drm/drm_cache.c :export: |