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ARCv2: [vdk] Enable ARC PGU on HS38 VDK

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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>
This commit is contained in:
Alexey Brodkin
2016-06-06 10:52:51 +03:00
parent a189d28e5e
commit c8f1daa8ba
3 changed files with 12 additions and 10 deletions
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13
arch/arc/boot/dts/vdk_axs10x_mb.dtsi
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@@ -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 */

2
arch/arc/boot/dts/vdk_hs38_smp.dts
View File

@@ -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";
};
};