[PATCH 0/3] ARM: dts: da850: tilcdc related DT changes

[PATCH 0/3] ARM: dts: da850: tilcdc related DT changes

[Bartosz Golaszewski]

I previously sent these patches separately, but since they're touching
the same files while coming from different trees, I decided to post
it again in a series to make applying them easier.

Bartosz Golaszewski (3):
  ARM: da850-lcdk: add the dumb-vga-dac node
  ARM: dts: da850: specify the maximum bandwidth for tilcdc
  ARM: dts: da850: enable the memctrl and mstpri nodes per board

 arch/arm/boot/dts/da850-lcdk.dts | 66 ++++++++++++++++++++++++++++++++++++++++
 arch/arm/boot/dts/da850.dtsi     | 20 ++++++++++++
 2 files changed, 86 insertions(+)

-- 
2.9.3

[PATCH 1/3] ARM: da850-lcdk: add the dumb-vga-dac node

[Bartosz Golaszewski]

Add the dumb-vga-dac node to the board DT together with corresponding
ports and vga connector. This allows to retrieve the edid info from
the display automatically.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
---
 arch/arm/boot/dts/da850-lcdk.dts | 58 ++++++++++++++++++++++++++++++++++++++++
 arch/arm/boot/dts/da850.dtsi     | 17 ++++++++++++
 2 files changed, 75 insertions(+)

diff --git a/arch/arm/boot/dts/da850-lcdk.dts b/arch/arm/boot/dts/da850-lcdk.dts
index 8411a91..6952c68 100644
--- a/arch/arm/boot/dts/da850-lcdk.dts
+++ b/arch/arm/boot/dts/da850-lcdk.dts
@@ -50,6 +50,53 @@
 			system-clock-frequency = <24576000>;
 		};
 	};
+
+	vga_bridge {
+		compatible = "dumb-vga-dac";
+		pinctrl-names = "default";
+		pinctrl-0 = <&lcd_pins>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			port at 0 {
+				#address-cells = <1>;
+				#size-cells = <0>;
+				reg = <0>;
+
+				vga_bridge_in: endpoint at 0 {
+					reg = <0>;
+					remote-endpoint = <&display_out_vga>;
+				};
+			};
+
+			port at 1 {
+				#address-cells = <1>;
+				#size-cells = <0>;
+				reg = <1>;
+
+				vga_bridge_out: endpoint at 0 {
+					reg = <0>;
+					remote-endpoint = <&vga_con_in>;
+				};
+			};
+		};
+	};
+
+	vga {
+		compatible = "vga-connector";
+
+		ddc-i2c-bus = <&i2c0>;
+
+		port {
+			vga_con_in: endpoint {
+				remote-endpoint = <&vga_bridge_out>;
+			};
+		};
+	};
 };
 
 &pmx_core {
@@ -227,3 +274,14 @@
 		};
 	};
 };
+
+&display {
+	status = "okay";
+};
+
+&display_out {
+	display_out_vga: endpoint at 0 {
+		reg = <0>;
+		remote-endpoint = <&vga_bridge_in>;
+	};
+};
diff --git a/arch/arm/boot/dts/da850.dtsi b/arch/arm/boot/dts/da850.dtsi
index ff13e95..8e30d9b 100644
--- a/arch/arm/boot/dts/da850.dtsi
+++ b/arch/arm/boot/dts/da850.dtsi
@@ -453,6 +453,23 @@
 			reg = <0x213000 0x1000>;
 			interrupts = <52>;
 			status = "disabled";
+
+			ports {
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				display_in: port at 0 {
+					#address-cells = <1>;
+					#size-cells = <0>;
+					reg = <0>;
+				};
+
+				display_out: port at 1 {
+					#address-cells = <1>;
+					#size-cells = <0>;
+					reg = <1>;
+				};
+			};
 		};
 	};
 	aemif: aemif at 68000000 {
-- 
2.9.3

[PATCH 2/3] ARM: dts: da850: specify the maximum bandwidth for tilcdc

[Bartosz Golaszewski]

It has been determined that the maximum resolution supported correctly
by tilcdc rev1 on da850 SoCs is 800x600 at 60. Due to memory throughput
constraints we must filter out higher modes.

Specify the max-bandwidth property for the display node for
da850-based boards.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
---
 arch/arm/boot/dts/da850.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/boot/dts/da850.dtsi b/arch/arm/boot/dts/da850.dtsi
index 8e30d9b..9b7c444 100644
--- a/arch/arm/boot/dts/da850.dtsi
+++ b/arch/arm/boot/dts/da850.dtsi
@@ -452,6 +452,7 @@
 			compatible = "ti,da850-tilcdc";
 			reg = <0x213000 0x1000>;
 			interrupts = <52>;
+			max-bandwidth = <28800000>;
 			status = "disabled";
 
 			ports {
-- 
2.9.3

[PATCH 3/3] ARM: dts: da850: enable the memctrl and mstpri nodes per board

[Bartosz Golaszewski]

Currently the memory controller and master priorities drivers are
enabled in da850.dtsi. For boards for which there are no settings
defined, this makes these drivers emit error messages.

Disable the nodes in da850.dtsi and only enable them for da850-lcdk -
the only board that currently needs them.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
---
 arch/arm/boot/dts/da850-lcdk.dts | 8 ++++++++
 arch/arm/boot/dts/da850.dtsi     | 2 ++
 2 files changed, 10 insertions(+)

diff --git a/arch/arm/boot/dts/da850-lcdk.dts b/arch/arm/boot/dts/da850-lcdk.dts
index 6952c68..d0f7680 100644
--- a/arch/arm/boot/dts/da850-lcdk.dts
+++ b/arch/arm/boot/dts/da850-lcdk.dts
@@ -285,3 +285,11 @@
 		remote-endpoint = <&vga_bridge_in>;
 	};
 };
+
+&prictrl {
+	status = "okay";
+};
+
+&memctrl {
+	status = "okay";
+};
diff --git a/arch/arm/boot/dts/da850.dtsi b/arch/arm/boot/dts/da850.dtsi
index 9b7c444..2ea0e06 100644
--- a/arch/arm/boot/dts/da850.dtsi
+++ b/arch/arm/boot/dts/da850.dtsi
@@ -213,6 +213,7 @@
 		prictrl: priority-controller at 14110 {
 			compatible = "ti,da850-mstpri";
 			reg = <0x14110 0x0c>;
+			status = "disabled";
 		};
 		cfgchip: chip-controller at 1417c {
 			compatible = "ti,da830-cfgchip", "syscon", "simple-mfd";
@@ -486,5 +487,6 @@
 	memctrl: memory-controller at b0000000 {
 		compatible = "ti,da850-ddr-controller";
 		reg = <0xb0000000 0xe8>;
+		status = "disabled";
 	};
 };
-- 
2.9.3