arm64: vexpress: Add CLCD support to the ARMv8 model platform

This patch enables CLCD support for the VE platform emulated by the
ARMv8 software model (DT bindings are based on Pawel's vexpress
patches) together with defconfig entries for SERIO_AMBAKMI and
FB_ARMCLCD.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Pawel Moll <pawel.moll@arm.com>

2 files changed, 36 insertions, 1 deletions

diff --git a/arch/arm64/boot/dts/rtsm_ve-motherboard.dtsi b/arch/arm64/boot/dts/rtsm_ve-motherboard.dtsi
index ac2cb2418025..c46cbb29f3c6 100644
--- a/arch/arm64/boot/dts/rtsm_ve-motherboard.dtsi
+++ b/arch/arm64/boot/dts/rtsm_ve-motherboard.dtsi
@@ -22,7 +22,7 @@
                         bank-width = <4>;
                 };
 
-                vram@2,00000000 {
+                v2m_video_ram: vram@2,00000000 {
                         compatible = "arm,vexpress-vram";
                         reg = <2 0x00000000 0x00800000>;
                 };
@@ -179,9 +179,42 @@
                         clcd@1f0000 {
                                 compatible = "arm,pl111", "arm,primecell";
                                 reg = <0x1f0000 0x1000>;
+                                interrupt-names = "combined";
                                 interrupts = <14>;
                                 clocks = <&v2m_oscclk1>, <&v2m_clk24mhz>;
                                 clock-names = "clcdclk", "apb_pclk";
+                                arm,pl11x,framebuffer = <0x18000000 0x00180000>;
+                                memory-region = <&v2m_video_ram>;
+                                max-memory-bandwidth = <130000000>; /* 16bpp @ 63.5MHz */
+
+                                port {
+                                        v2m_clcd_pads: endpoint {
+                                                remote-endpoint = <&v2m_clcd_panel>;
+                                                arm,pl11x,tft-r0g0b0-pads = <0 8 16>;
+                                        };
+                                };
+
+                                panel {
+                                        compatible = "panel-dpi";
+
+                                        port {
+                                                v2m_clcd_panel: endpoint {
+                                                        remote-endpoint = <&v2m_clcd_pads>;
+                                                };
+                                        };
+
+                                        panel-timing {
+                                                clock-frequency = <63500127>;
+                                                hactive = <1024>;
+                                                hback-porch = <152>;
+                                                hfront-porch = <48>;
+                                                hsync-len = <104>;
+                                                vactive = <768>;
+                                                vback-porch = <23>;
+                                                vfront-porch = <3>;
+                                                vsync-len = <4>;
+                                        };
+                                };
                         };
 
                         virtio_block@0130000 {
diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
index 9cd37de9aa8d..4ce602c2c6de 100644
--- a/arch/arm64/configs/defconfig
+++ b/arch/arm64/configs/defconfig
@@ -78,6 +78,7 @@ CONFIG_NET_XGENE=y
 # CONFIG_WLAN is not set
 CONFIG_INPUT_EVDEV=y
 # CONFIG_SERIO_SERPORT is not set
+CONFIG_SERIO_AMBAKMI=y
 CONFIG_LEGACY_PTY_COUNT=16
 CONFIG_SERIAL_8250=y
 CONFIG_SERIAL_8250_CONSOLE=y
@@ -90,6 +91,7 @@ CONFIG_VIRTIO_CONSOLE=y
 CONFIG_REGULATOR=y
 CONFIG_REGULATOR_FIXED_VOLTAGE=y
 CONFIG_FB=y
+CONFIG_FB_ARMCLCD=y
 CONFIG_FRAMEBUFFER_CONSOLE=y
 CONFIG_LOGO=y
 # CONFIG_LOGO_LINUX_MONO is not set