Proxmox-Port/linux-loongson
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson synced 2025-09-02 16:44:59 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

arm64: dts: allwinner: h5: Add device node for Mali-450 GPU

Browse Source 
The H5 has a Mali-450 GPU with 4 Pixel Processor cores.

Interestingly, while the datasheet lists an interrupt line for the GPU's
PMU, the hardware block itself doesn't seem to have it. Reads from the
PMU address range all return zero, and writes are ignored.

Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
This commit is contained in:
Chen-Yu Tsai 2018-08-24 13:38:49 +08:00 committed by Maxime Ripard
parent cd3f03df13
commit bb39ed07e5
No known key found for this signature in database
GPG Key ID: D2B4C094214DAF74
1 changed files with 43 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

43
arch/arm64/boot/dts/allwinner/sun50i-h5.dtsi
View File

@ -92,6 +92,49 @@ timer {
<GIC_PPI 10
(GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>;
};
soc {
mali: gpu@1e80000 {
compatible = "allwinner,sun50i-h5-mali", "arm,mali-450";
reg = <0x01e80000 0x30000>;
/*
* While the datasheet lists an interrupt for the
* PMU, the actual silicon does not have the PMU
* block. Reads all return zero, and writes are
* ignored.
*/
interrupts = <GIC_SPI 96 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 97 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 99 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 100 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 101 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 102 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 103 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 104 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 105 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 106 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 107 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 98 IRQ_TYPE_LEVEL_HIGH>;
interrupt-names = "gp",
"gpmmu",
"pp",
"pp0",
"ppmmu0",
"pp1",
"ppmmu1",
"pp2",
"ppmmu2",
"pp3",
"ppmmu3",
"pmu";
clocks = <&ccu CLK_BUS_GPU>, <&ccu CLK_GPU>;
clock-names = "bus", "core";
resets = <&ccu RST_BUS_GPU>;
assigned-clocks = <&ccu CLK_GPU>;
assigned-clock-rates = <384000000>;
};
};
};
&ccu {