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authorDaniel Vetter <daniel.vetter@ffwll.ch>2017-08-10 18:12:01 +0200
committerDaniel Vetter <daniel.vetter@ffwll.ch>2017-08-10 18:12:01 +0200
commit148b1e115eae37c9f3705691b4c45aa4cc0fa71d (patch)
tree3f42609b3e7f53eb81830c976fadde1d7bc36a2c /Documentation
parent3ec0af7f223bab9503c4ed57d00ed34b137df476 (diff)
parent09ef2378dc42339f3871584dc26d27da220277cb (diff)
Merge airlied/drm-next into drm-intel-next-queued
Ben Widawsky/Daniel Stone need the extended modifier support from drm-misc to be able to merge CCS support for i915.ko Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/devicetree/bindings/display/rockchip/rockchip-vop.txt4
-rw-r--r--Documentation/devicetree/bindings/display/st,stm32-ltdc.txt105
-rw-r--r--Documentation/gpu/todo.rst4
3 files changed, 109 insertions, 4 deletions
diff --git a/Documentation/devicetree/bindings/display/rockchip/rockchip-vop.txt b/Documentation/devicetree/bindings/display/rockchip/rockchip-vop.txt
index 9eb3f0a2a078..5d835d9c1ba8 100644
--- a/Documentation/devicetree/bindings/display/rockchip/rockchip-vop.txt
+++ b/Documentation/devicetree/bindings/display/rockchip/rockchip-vop.txt
@@ -8,8 +8,12 @@ Required properties:
- compatible: value should be one of the following
"rockchip,rk3036-vop";
"rockchip,rk3288-vop";
+ "rockchip,rk3368-vop";
+ "rockchip,rk3366-vop";
"rockchip,rk3399-vop-big";
"rockchip,rk3399-vop-lit";
+ "rockchip,rk3228-vop";
+ "rockchip,rk3328-vop";
- interrupts: should contain a list of all VOP IP block interrupts in the
order: VSYNC, LCD_SYSTEM. The interrupt specifier
diff --git a/Documentation/devicetree/bindings/display/st,stm32-ltdc.txt b/Documentation/devicetree/bindings/display/st,stm32-ltdc.txt
index 8e1476941c0f..74b5ac7b26d6 100644
--- a/Documentation/devicetree/bindings/display/st,stm32-ltdc.txt
+++ b/Documentation/devicetree/bindings/display/st,stm32-ltdc.txt
@@ -1,7 +1,6 @@
* STMicroelectronics STM32 lcd-tft display controller
- ltdc: lcd-tft display controller host
- must be a sub-node of st-display-subsystem
Required properties:
- compatible: "st,stm32-ltdc"
- reg: Physical base address of the IP registers and length of memory mapped region.
@@ -13,8 +12,40 @@
Required nodes:
- Video port for RGB output.
-Example:
+* STMicroelectronics STM32 DSI controller specific extensions to Synopsys
+ DesignWare MIPI DSI host controller
+The STMicroelectronics STM32 DSI controller uses the Synopsys DesignWare MIPI
+DSI host controller. For all mandatory properties & nodes, please refer
+to the related documentation in [5].
+
+Mandatory properties specific to STM32 DSI:
+- #address-cells: Should be <1>.
+- #size-cells: Should be <0>.
+- compatible: "st,stm32-dsi".
+- clock-names:
+ - phy pll reference clock string name, must be "ref".
+- resets: see [5].
+- reset-names: see [5].
+
+Mandatory nodes specific to STM32 DSI:
+- ports: A node containing DSI input & output port nodes with endpoint
+ definitions as documented in [3] & [4].
+ - port@0: DSI input port node, connected to the ltdc rgb output port.
+ - port@1: DSI output port node, connected to a panel or a bridge input port.
+- panel or bridge node: A node containing the panel or bridge description as
+ documented in [6].
+ - port: panel or bridge port node, connected to the DSI output port (port@1).
+
+Note: You can find more documentation in the following references
+[1] Documentation/devicetree/bindings/clock/clock-bindings.txt
+[2] Documentation/devicetree/bindings/reset/reset.txt
+[3] Documentation/devicetree/bindings/media/video-interfaces.txt
+[4] Documentation/devicetree/bindings/graph.txt
+[5] Documentation/devicetree/bindings/display/bridge/dw_mipi_dsi.txt
+[6] Documentation/devicetree/bindings/display/mipi-dsi-bus.txt
+
+Example 1: RGB panel
/ {
...
soc {
@@ -34,3 +65,73 @@ Example:
};
};
};
+
+Example 2: DSI panel
+
+/ {
+ ...
+ soc {
+ ...
+ ltdc: display-controller@40016800 {
+ compatible = "st,stm32-ltdc";
+ reg = <0x40016800 0x200>;
+ interrupts = <88>, <89>;
+ resets = <&rcc STM32F4_APB2_RESET(LTDC)>;
+ clocks = <&rcc 1 CLK_LCD>;
+ clock-names = "lcd";
+
+ port {
+ ltdc_out_dsi: endpoint {
+ remote-endpoint = <&dsi_in>;
+ };
+ };
+ };
+
+
+ dsi: dsi@40016c00 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ compatible = "st,stm32-dsi";
+ reg = <0x40016c00 0x800>;
+ clocks = <&rcc 1 CLK_F469_DSI>, <&clk_hse>;
+ clock-names = "ref", "pclk";
+ resets = <&rcc STM32F4_APB2_RESET(DSI)>;
+ reset-names = "apb";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+ dsi_in: endpoint {
+ remote-endpoint = <&ltdc_out_dsi>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+ dsi_out: endpoint {
+ remote-endpoint = <&dsi_in_panel>;
+ };
+ };
+
+ };
+
+ panel-dsi@0 {
+ reg = <0>; /* dsi virtual channel (0..3) */
+ compatible = ...;
+ enable-gpios = ...;
+
+ port {
+ dsi_in_panel: endpoint {
+ remote-endpoint = <&dsi_out>;
+ };
+ };
+
+ };
+
+ };
+
+ };
+};
diff --git a/Documentation/gpu/todo.rst b/Documentation/gpu/todo.rst
index 1ae42006deea..22af55d06ab8 100644
--- a/Documentation/gpu/todo.rst
+++ b/Documentation/gpu/todo.rst
@@ -108,8 +108,8 @@ This would be especially useful for tinydrm:
crtc state, clear that to the max values, x/y = 0 and w/h = MAX_INT, in
__drm_atomic_helper_crtc_duplicate_state().
-- Move tinydrm_merge_clips into drm_framebuffer.c, dropping the tinydrm_
- prefix ofc and using drm_fb_. drm_framebuffer.c makes sense since this
+- Move tinydrm_merge_clips into drm_framebuffer.c, dropping the tinydrm\_
+ prefix ofc and using drm_fb\_. drm_framebuffer.c makes sense since this
is a function useful to implement the fb->dirty function.
- Create a new drm_fb_dirty function which does essentially what e.g.