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authorAlexey Brodkin2016-06-06 10:52:51 +0300
committerAlexey Brodkin2016-06-13 17:45:17 +0200
commitc8f1daa8ba27742f8b6c01048b0a01e20f3211da (patch)
treee360ec161e725283bcb184eace646f98da0fbd67 /arch/arc/boot
parenta189d28e5edea70f20995547ddc84c79b2f76c03 (diff)
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')
-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 45cd665fca23..99498a4b4216 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 031a5bc79b3e..2ba60c399d99 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";
};
};