drm: Add support for IPK DSI Host Driver

new file mode 100644
index 0000000..75e65ec
@@ -0,0 +1,163 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/snps,dw-ipk-dsi.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Synopsys DesignWare IPK specific extensions for the Synopsys DSI host
+       controller.
+
+maintainers:
+  - Angelo Ribeiro <[email protected]>
+
+description:
+  The Synopsys DesignWare IPK DSI controller uses the Synopsys DesignWare MIPI
+  DSI host controller.
+  For more info please refer to
+  Documentation/devicetree/bindings/display/bridge/dw_mipi_dsi.txt.
+
+properties:
+  compatible:
+    const: snps,dw-ipk-dsi
+
+  reg:
+    minItems: 2
+    maxItems: 2
+    items:
+      - description: DW MIPI DSI Host registers
+      - description: DW Phy registers
+
+  reg-names:
+    items:
+     - const: dsi
+     - const: phy
+
+  clocks:
+    minItems: 2
+    maxItems: 3
+    items:
+      - description: Peripheral clock
+      - description: PLL clock
+      - description: Pixel clock
+
+  clock-names:
+    items:
+      - const: pclk
+      - const: ref
+      - const: px_clk
+
+  resets:
+    maxItems: 1
+    items:
+      - description: APB reset line
+
+  reset-names:
+    items:
+      - const: apb
+
+  ports:
+    type: object
+    description:
+      A port node as defined in
+      Documentation/devicetree/bindings/media/video-interfaces.txt and
+      Documentation/devicetree/bindings/graph.txt.
+    properties:
+      port@0:
+        type: object
+        description:
+          Input endpoint of the controller, connects to a DPI source.
+
+      port@1:
+        type: object
+        description:
+          Output endpoint of the controller, connects to a panel or a bridge
+          input port.
+
+patternProperties:
+  "^(panel|panel-dsi)@[0-9]$":
+    type: object
+    description:
+      A node containing the panel or bridge description as defined in
+      Documentation/devicetree/bindings/display/mipi-dsi-bus.txt.
+    properties:
+      port:
+        type: object
+        description:
+          Panel or bridge port node connected to the DSI output port (port@1).
+
+  "#address-cells":
+    const: 1
+
+  "#size-cells":
+    const: 0
+
+required:
+  - "#address-cells"
+  - "#size-cells"
+  - compatible
+  - reg
+  - reg-names
+  - clocks
+  - clock-names
+  - reset
+  - reset-names
+  - ports
+
+additionalProperties: false
+
+examples:
+  - |
+    dsi1: dw-ipk-dsi@0x02000 {
+        compatible = "snps,dw-ipk-dsi";
+        reg = <0x02000 0xfff>, <0x05000 0xfff>;
+        reg-names = "dsi", "phy";
+        clocks = <&apb_clk>, <&pll_clk>;
+        clock-names = "pclk", "ref";
+        resets = <&ipk_rst 1>;
+        reset-names = "apb";
+
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        ports {
+            #address-cells = <1>;
+            #size-cells = <0>;
+
+            port@0 {
+                reg = <0>;
+                dsi1_in: endpoint@0 {
+                    remote-endpoint = <&vbridge_out>;
+                };
+            };
+
+            port@1 {
+                reg = <1>;
+                dsi_out_port: endpoint {
+                    remote-endpoint = <&panel_dsi_port>;
+                };
+            };
+        };
+    };
+
+    i2c@0x01000 {
+        compatible = "snps,designware-i2c";
+        reg = <0x01000 0x100>;
+        clock-frequency = <400000>;
+        clocks = <&i2cclk>;
+        interrupts = <0>;
+        resets = <&ipk_rst 0>;
+        reset-names = "i2c";
+
+        lcd@45 {
+            compatible = "raspberrypi,7inch-touchscreen-panel";
+            reg = <0x45>;
+
+            port {
+                panel_dsi_port: endpoint {
+                    remote-endpoint = <&dsi_out_port>;
+                };
+            };
+        };
+    };
+
+...

77 lines not on this page · raw message

index 1f87444..49819e5 100644
@@ -11,3 +11,12 @@ config DRM_IPK
 	  Enable support for the Synopsys DesignWare DRM DSI.
 	  To compile this driver as a module, choose M here: the module
 	  will be called ipk-drm.
+
+config DRM_IPK_DSI
+	tristate "Synopsys DesignWare IPK specific extensions for MIPI DSI"
+	depends on DRM_IPK
+	select DRM_DW_MIPI_DSI
+	help
+	  Choose this option for Synopsys DesignWare IPK MIPI DSI support.
+	  To compile this driver as a module, choose M here: the module
+	  will be called dw-mipi-dsi-ipk.

index 51d2774..c80503f 100644
@@ -4,3 +4,5 @@ ipk-drm-y := \
 	dw-vpg.o
 
 obj-$(CONFIG_DRM_IPK) += ipk-drm.o
+
+obj-$(CONFIG_DRM_IPK_DSI) += dw-mipi-dsi-ipk.o

index 4359497..29ea1d1 100644
@@ -388,6 +388,8 @@ source "drivers/gpu/drm/mcde/Kconfig"
 
 source "drivers/gpu/drm/tidss/Kconfig"
 
+source "drivers/gpu/drm/ipk/Kconfig"
+
 # Keep legacy drivers last
 
 menuconfig DRM_LEGACY

index 7f72ef5..c5afb63 100644
@@ -124,3 +124,4 @@ obj-$(CONFIG_DRM_PANFROST) += panfrost/
 obj-$(CONFIG_DRM_ASPEED_GFX) += aspeed/
 obj-$(CONFIG_DRM_MCDE) += mcde/
 obj-$(CONFIG_DRM_TIDSS) += tidss/
+obj-$(CONFIG_DRM_IPK) += ipk/

new file mode 100644
index 0000000..1f87444
@@ -0,0 +1,13 @@
+# SPDX-License-Identifier: GPL-2.0-only
+config DRM_IPK
+	tristate "DRM Support for Synopsys DesignWare IPK DSI"
+	depends on DRM
+	select DRM_KMS_HELPER
+	select DRM_GEM_CMA_HELPER
+	select DRM_KMS_CMA_HELPER
+	select DRM_PANEL_BRIDGE
+	select VIDEOMODE_HELPERS
+	help
+	  Enable support for the Synopsys DesignWare DRM DSI.
+	  To compile this driver as a module, choose M here: the module
+	  will be called ipk-drm.

new file mode 100644
index 0000000..51d2774
@@ -0,0 +1,6 @@
+# SPDX-License-Identifier: GPL-2.0-only
+ipk-drm-y := \
+	dw-drv.o \
+	dw-vpg.o
+
+obj-$(CONFIG_DRM_IPK) += ipk-drm.o

index 19eea09..3de4365 100644
@@ -5445,6 +5445,14 @@ S:	Maintained
 F:	drivers/gpu/drm/mcde/
 F:	Documentation/devicetree/bindings/display/ste,mcde.txt
 
+DRM DRIVER FOR SYNOPSYS DESIGNWARE IPK
+M:	Angelo Ribeiro <[email protected]>
+L:	[email protected]
+S:	Maintained
+F:	drivers/gpu/drm/ipk/
+F:	Documentation/devicetree/bindings/display/ipk/
+T:	git git://anongit.freedesktop.org/drm/drm-misc
+
 DRM DRIVER FOR TDFX VIDEO CARDS
 S:	Orphan / Obsolete
 F:	drivers/gpu/drm/tdfx/