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-rw-r--r--arch/arm/boot/dts/Makefile1
-rw-r--r--arch/arm/boot/dts/arm-realview-eb.dtsi64
-rw-r--r--arch/arm/boot/dts/arm-realview-pb1176.dts66
-rw-r--r--arch/arm/boot/dts/arm-realview-pb11mp.dts78
-rw-r--r--arch/arm/boot/dts/arm-realview-pbx.dtsi82
-rw-r--r--arch/arm/boot/dts/versatile-ab-ib2.dts26
-rw-r--r--arch/arm/boot/dts/versatile-ab.dts83
7 files changed, 296 insertions, 104 deletions
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 9be131bc22af..d8f49c3b9948 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -1064,6 +1064,7 @@ dtb-$(CONFIG_ARCH_UNIPHIER) += \
uniphier-sld8-ref.dtb
dtb-$(CONFIG_ARCH_VERSATILE) += \
versatile-ab.dtb \
+ versatile-ab-ib2.dtb \
versatile-pb.dtb
dtb-$(CONFIG_ARCH_VEXPRESS) += \
vexpress-v2p-ca5s.dtb \
diff --git a/arch/arm/boot/dts/arm-realview-eb.dtsi b/arch/arm/boot/dts/arm-realview-eb.dtsi
index e2e9599596e2..a917cf8825ca 100644
--- a/arch/arm/boot/dts/arm-realview-eb.dtsi
+++ b/arch/arm/boot/dts/arm-realview-eb.dtsi
@@ -143,6 +143,43 @@
port1-otg;
};
+ bridge {
+ compatible = "ti,ths8134a", "ti,ths8134";
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+
+ vga_bridge_in: endpoint {
+ remote-endpoint = <&clcd_pads>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+
+ vga_bridge_out: endpoint {
+ remote-endpoint = <&vga_con_in>;
+ };
+ };
+ };
+ };
+
+ vga {
+ compatible = "vga-connector";
+
+ port {
+ vga_con_in: endpoint {
+ remote-endpoint = <&vga_bridge_out>;
+ };
+ };
+ };
+
/* These peripherals are inside the FPGA */
fpga {
#address-cells = <1>;
@@ -409,36 +446,15 @@
interrupt-names = "combined";
clocks = <&oscclk0>, <&pclk>;
clock-names = "clcdclk", "apb_pclk";
+ /* 1024x768 16bpp @65MHz works fine */
+ max-memory-bandwidth = <95000000>;
port {
clcd_pads: endpoint {
- remote-endpoint = <&clcd_panel>;
+ remote-endpoint = <&vga_bridge_in>;
arm,pl11x,tft-r0g0b0-pads = <0 8 16>;
};
};
-
- panel {
- compatible = "panel-dpi";
-
- port {
- clcd_panel: endpoint {
- remote-endpoint = <&clcd_pads>;
- };
- };
-
- /* Standard 640x480 VGA timings */
- panel-timing {
- clock-frequency = <25175000>;
- hactive = <640>;
- hback-porch = <48>;
- hfront-porch = <16>;
- hsync-len = <96>;
- vactive = <480>;
- vback-porch = <33>;
- vfront-porch = <10>;
- vsync-len = <2>;
- };
- };
};
};
};
diff --git a/arch/arm/boot/dts/arm-realview-pb1176.dts b/arch/arm/boot/dts/arm-realview-pb1176.dts
index c789564f2803..f935b72d3d96 100644
--- a/arch/arm/boot/dts/arm-realview-pb1176.dts
+++ b/arch/arm/boot/dts/arm-realview-pb1176.dts
@@ -161,6 +161,43 @@
port1-otg;
};
+ bridge {
+ compatible = "ti,ths8134a", "ti,ths8134";
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+
+ vga_bridge_in: endpoint {
+ remote-endpoint = <&clcd_pads>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+
+ vga_bridge_out: endpoint {
+ remote-endpoint = <&vga_con_in>;
+ };
+ };
+ };
+ };
+
+ vga {
+ compatible = "vga-connector";
+
+ port {
+ vga_con_in: endpoint {
+ remote-endpoint = <&vga_bridge_out>;
+ };
+ };
+ };
+
soc {
#address-cells = <1>;
#size-cells = <1>;
@@ -403,36 +440,15 @@
interrupts = <0 47 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&oscclk0>, <&pclk>;
clock-names = "clcdclk", "apb_pclk";
+ /* 1024x768 16bpp @65MHz works fine */
+ max-memory-bandwidth = <95000000>;
port {
clcd_pads: endpoint {
- remote-endpoint = <&clcd_panel>;
+ remote-endpoint = <&vga_bridge_in>;
arm,pl11x,tft-r0g0b0-pads = <0 8 16>;
};
};
-
- panel {
- compatible = "panel-dpi";
-
- port {
- clcd_panel: endpoint {
- remote-endpoint = <&clcd_pads>;
- };
- };
-
- /* Standard 640x480 VGA timings */
- panel-timing {
- clock-frequency = <25175000>;
- hactive = <640>;
- hback-porch = <48>;
- hfront-porch = <16>;
- hsync-len = <96>;
- vactive = <480>;
- vback-porch = <33>;
- vfront-porch = <10>;
- vsync-len = <2>;
- };
- };
};
};
@@ -564,7 +580,5 @@
clocks = <&pclk>;
clock-names = "apb_pclk";
};
-
-
};
};
diff --git a/arch/arm/boot/dts/arm-realview-pb11mp.dts b/arch/arm/boot/dts/arm-realview-pb11mp.dts
index 3944765ac4b0..36203288de42 100644
--- a/arch/arm/boot/dts/arm-realview-pb11mp.dts
+++ b/arch/arm/boot/dts/arm-realview-pb11mp.dts
@@ -242,6 +242,49 @@
bank-width = <4>;
};
+ bridge {
+ compatible = "ti,ths8134a", "ti,ths8134";
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+
+ vga_bridge_in: endpoint {
+ remote-endpoint = <&clcd_pads>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+
+ vga_bridge_out: endpoint {
+ remote-endpoint = <&vga_con_in>;
+ };
+ };
+ };
+ };
+
+ vga {
+ /*
+ * This DDC I2C is connected directly to the DVI portions
+ * of the connector, so it's not really working when the
+ * monitor is connected to the VGA connector.
+ */
+ compatible = "vga-connector";
+ ddc-i2c-bus = <&i2c1>;
+
+ port {
+ vga_con_in: endpoint {
+ remote-endpoint = <&vga_bridge_out>;
+ };
+ };
+ };
+
soc {
#address-cells = <1>;
#size-cells = <1>;
@@ -575,6 +618,13 @@
clock-names = "apb_pclk";
};
+ i2c1: i2c@10016000 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ compatible = "arm,versatile-i2c";
+ reg = <0x10016000 0x1000>;
+ };
+
rtc: rtc@10017000 {
compatible = "arm,pl031", "arm,primecell";
reg = <0x10017000 0x1000>;
@@ -609,37 +659,15 @@
interrupts = <0 23 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&oscclk4>, <&pclk>;
clock-names = "clcdclk", "apb_pclk";
- max-memory-bandwidth = <130000000>; /* 16bpp @ 63.5MHz */
+ /* 1024x768 16bpp @65MHz works fine */
+ max-memory-bandwidth = <95000000>;
port {
clcd_pads: endpoint {
- remote-endpoint = <&clcd_panel>;
+ remote-endpoint = <&vga_bridge_in>;
arm,pl11x,tft-r0g0b0-pads = <0 8 16>;
};
};
-
- panel {
- compatible = "panel-dpi";
-
- port {
- clcd_panel: endpoint {
- remote-endpoint = <&clcd_pads>;
- };
- };
-
- /* Standard 640x480 VGA timings */
- panel-timing {
- clock-frequency = <25175000>;
- hactive = <640>;
- hback-porch = <48>;
- hfront-porch = <16>;
- hsync-len = <96>;
- vactive = <480>;
- vback-porch = <33>;
- vfront-porch = <10>;
- vsync-len = <2>;
- };
- };
};
/*
diff --git a/arch/arm/boot/dts/arm-realview-pbx.dtsi b/arch/arm/boot/dts/arm-realview-pbx.dtsi
index aeb49c4bd773..10868ba3277f 100644
--- a/arch/arm/boot/dts/arm-realview-pbx.dtsi
+++ b/arch/arm/boot/dts/arm-realview-pbx.dtsi
@@ -34,7 +34,8 @@
serial1 = &serial1;
serial2 = &serial2;
serial3 = &serial3;
- i2c0 = &i2c;
+ i2c0 = &i2c0;
+ i2c1 = &i2c1;
};
memory {
@@ -158,6 +159,49 @@
port1-otg;
};
+ bridge {
+ compatible = "ti,ths8134a", "ti,ths8134";
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+
+ vga_bridge_in: endpoint {
+ remote-endpoint = <&clcd_pads>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+
+ vga_bridge_out: endpoint {
+ remote-endpoint = <&vga_con_in>;
+ };
+ };
+ };
+ };
+
+ vga {
+ /*
+ * This DDC I2C is connected directly to the DVI portions
+ * of the connector, so it's not really working when the
+ * monitor is connected to the VGA connector.
+ */
+ compatible = "vga-connector";
+ ddc-i2c-bus = <&i2c1>;
+
+ port {
+ vga_con_in: endpoint {
+ remote-endpoint = <&vga_bridge_out>;
+ };
+ };
+ };
+
soc: soc@0 {
compatible = "arm,realview-pbx-soc", "simple-bus";
#address-cells = <1>;
@@ -285,7 +329,7 @@
<&timclk>;
};
- i2c: i2c@10002000 {
+ i2c0: i2c@10002000 {
#address-cells = <1>;
#size-cells = <0>;
compatible = "arm,versatile-i2c";
@@ -396,7 +440,12 @@
clock-names = "apb_pclk";
};
- /* DVI serial bus control is at 10016000 */
+ i2c1: i2c@10016000 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ compatible = "arm,versatile-i2c";
+ reg = <0x10016000 0x1000>;
+ };
rtc: rtc@10017000 {
compatible = "arm,pl031", "arm,primecell";
@@ -506,36 +555,15 @@
interrupt-names = "combined";
clocks = <&oscclk4>, <&pclk>;
clock-names = "clcdclk", "apb_pclk";
+ /* 1024x768 16bpp @65MHz works fine */
+ max-memory-bandwidth = <95000000>;
port {
clcd_pads: endpoint {
- remote-endpoint = <&clcd_panel>;
+ remote-endpoint = <&vga_bridge_in>;
arm,pl11x,tft-r0g0b0-pads = <0 8 16>;
};
};
-
- panel {
- compatible = "panel-dpi";
-
- port {
- clcd_panel: endpoint {
- remote-endpoint = <&clcd_pads>;
- };
- };
-
- /* Standard 640x480 VGA timings */
- panel-timing {
- clock-frequency = <25175000>;
- hactive = <640>;
- hback-porch = <48>;
- hfront-porch = <16>;
- hsync-len = <96>;
- vactive = <480>;
- vback-porch = <33>;
- vfront-porch = <10>;
- vsync-len = <2>;
- };
- };
};
};
};
diff --git a/arch/arm/boot/dts/versatile-ab-ib2.dts b/arch/arm/boot/dts/versatile-ab-ib2.dts
new file mode 100644
index 000000000000..5890cb974f78
--- /dev/null
+++ b/arch/arm/boot/dts/versatile-ab-ib2.dts
@@ -0,0 +1,26 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * The Versatile AB with the IB2 expansion board mounted.
+ * This works as a superset of the Versatile AB.
+ */
+
+#include "versatile-ab.dts"
+
+/ {
+ model = "ARM Versatile AB + IB2 board";
+
+ /* Special IB2 control register */
+ ib2_syscon@27000000 {
+ compatible = "arm,versatile-ib2-syscon", "syscon", "simple-mfd";
+ reg = <0x27000000 0x4>;
+
+ led@00.4 {
+ compatible = "register-bit-led";
+ offset = <0x00>;
+ mask = <0x10>;
+ label = "versatile-ib2:0";
+ linux,default-trigger = "heartbeat";
+ default-state = "on";
+ };
+ };
+};
diff --git a/arch/arm/boot/dts/versatile-ab.dts b/arch/arm/boot/dts/versatile-ab.dts
index 4a51612996bc..5f61d3609027 100644
--- a/arch/arm/boot/dts/versatile-ab.dts
+++ b/arch/arm/boot/dts/versatile-ab.dts
@@ -30,6 +30,43 @@
clock-frequency = <24000000>;
};
+ bridge {
+ compatible = "ti,ths8134b", "ti,ths8134";
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+
+ vga_bridge_in: endpoint {
+ remote-endpoint = <&clcd_pads_vga_dac>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+
+ vga_bridge_out: endpoint {
+ remote-endpoint = <&vga_con_in>;
+ };
+ };
+ };
+ };
+
+ vga {
+ compatible = "vga-connector";
+
+ port {
+ vga_con_in: endpoint {
+ remote-endpoint = <&vga_bridge_out>;
+ };
+ };
+ };
+
core-module@10000000 {
compatible = "arm,core-module-versatile", "syscon", "simple-mfd";
reg = <0x10000000 0x200>;
@@ -230,7 +267,39 @@
reg = <0x10120000 0x1000>;
interrupts = <16>;
clocks = <&osc1>, <&pclk>;
- clock-names = "clcd", "apb_pclk";
+ clock-names = "clcdclk", "apb_pclk";
+ /* 800x600 16bpp @ 36MHz works fine */
+ max-memory-bandwidth = <54000000>;
+
+ /*
+ * This port is routed through a PLD (Programmable
+ * Logic Device) that routes the output from the CLCD
+ * (after transformations) to the VGA DAC and also an
+ * external panel connector. The PLD is essential for
+ * supporting RGB565/BGR565.
+ *
+ * The signals from the port thus reaches two endpoints.
+ * The PLD is managed through a few special bits in the
+ * FPGA "sysreg".
+ *
+ * This arrangement can be clearly seen in
+ * ARM DUI 0225D, page 3-41, figure 3-19.
+ */
+ port@0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ clcd_pads_panel: endpoint@0 {
+ reg = <0>;
+ remote-endpoint = <&panel_in>;
+ arm,pl11x,tft-r0g0b0-pads = <0 8 16>;
+ };
+ clcd_pads_vga_dac: endpoint@1 {
+ reg = <1>;
+ remote-endpoint = <&vga_bridge_in>;
+ arm,pl11x,tft-r0g0b0-pads = <0 8 16>;
+ };
+ };
};
sctl@101e0000 {
@@ -319,8 +388,18 @@
ranges = <0 0x10000000 0x10000>;
sysreg@0 {
- compatible = "arm,versatile-sysreg", "syscon";
+ compatible = "arm,versatile-sysreg", "syscon", "simple-mfd";
reg = <0x00000 0x1000>;
+
+ panel: display@0 {
+ compatible = "arm,versatile-tft-panel";
+
+ port {
+ panel_in: endpoint {
+ remote-endpoint = <&clcd_pads_panel>;
+ };
+ };
+ };
};
aaci@4000 {
generated by cgit (git 2.34.1) at 2025-04-17 14:44:08 +0000