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authorAlexey Brodkin <abrodkin@synopsys.com>2016-06-06 07:52:51 (GMT)
committerAlexey Brodkin <abrodkin@synopsys.com>2016-06-13 15:45:17 (GMT)
commitc8f1daa8ba27742f8b6c01048b0a01e20f3211da (patch)
treee360ec161e725283bcb184eace646f98da0fbd67 /arch/arc/boot/dts
parenta189d28e5edea70f20995547ddc84c79b2f76c03 (diff)
downloadlinux-c8f1daa8ba27742f8b6c01048b0a01e20f3211da.tar.xz
ARCv2: [vdk] Enable ARC PGU on HS38 VDK
With required ARC PGU updates that allow it to be used on simulation platforms we may finally utilize ARC PGU in HS38 VDK with modern Linux kernels. Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
Diffstat (limited to 'arch/arc/boot/dts')
-rw-r--r--arch/arc/boot/dts/vdk_axs10x_mb.dtsi13
-rw-r--r--arch/arc/boot/dts/vdk_hs38_smp.dts2
2 files changed, 10 insertions, 5 deletions
diff --git a/arch/arc/boot/dts/vdk_axs10x_mb.dtsi b/arch/arc/boot/dts/vdk_axs10x_mb.dtsi
index 45cd665..99498a4 100644
--- a/arch/arc/boot/dts/vdk_axs10x_mb.dtsi
+++ b/arch/arc/boot/dts/vdk_axs10x_mb.dtsi
@@ -23,6 +23,11 @@
#clock-cells = <0>;
};
+ pguclk: pguclk {
+ #clock-cells = <0>;
+ compatible = "fixed-clock";
+ clock-frequency = <25175000>;
+ };
};
ethernet@0x18000 {
@@ -75,11 +80,11 @@
};
/* PGU output directly sent to virtual LCD screen; hdmi controller not modelled */
- pgu@0x17000 {
- compatible = "snps,arcpgufb";
+ pgu@17000 {
+ compatible = "snps,arcpgu";
reg = <0x17000 0x400>;
- clock-frequency = <51000000>; /* PGU'clock is initated in init function */
- /* interrupts = <5>; PGU interrupts not used, this vector is used for ps2 below */
+ clocks = <&pguclk>;
+ clock-names = "pxlclk";
};
/* VDK has additional ps2 keyboard/mouse interface integrated in LCD screen model */
diff --git a/arch/arc/boot/dts/vdk_hs38_smp.dts b/arch/arc/boot/dts/vdk_hs38_smp.dts
index 031a5bc..2ba60c39 100644
--- a/arch/arc/boot/dts/vdk_hs38_smp.dts
+++ b/arch/arc/boot/dts/vdk_hs38_smp.dts
@@ -16,6 +16,6 @@
compatible = "snps,axs103";
chosen {
- bootargs = "earlycon=uart8250,mmio32,0xe0022000,115200n8 console=tty0 console=ttyS3,115200n8 consoleblank=0";
+ bootargs = "earlycon=uart8250,mmio32,0xe0022000,115200n8 console=tty0 console=ttyS3,115200n8 consoleblank=0 video=640x480-24";
};
};