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arm64: dts: mt8183: Add the mmsys reset bit to reset the dsi0 

Reset the DSI hardware is needed to prevent different settings between
the bootloader and the kernel.

While here, also remove the undocumented and also not used
'mediatek,syscon-dsi' property.

Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210930103105.v4.5.I933f1532d7a1b2910843a9644c86a7d94a4b44e1@changeid
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
This commit is contained in:
Enric Balletbo i Serra 2021-09-30 10:31:48 +02:00 committed by Matthias Brugger
parent 7fdb1bc3d9
commit 4bdb00edbd
2 changed files with 5 additions and 1 deletions
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3
arch/arm64/boot/dts/mediatek/mt8183.dtsi
View File

@ -1319,6 +1319,7 @@
compatible = "mediatek,mt8183-mmsys", "syscon";
reg = <0 0x14000000 0 0x1000>;
#clock-cells = <1>;
#reset-cells = <1>;
mboxes = <&gce 0 CMDQ_THR_PRIO_HIGHEST>,
<&gce 1 CMDQ_THR_PRIO_HIGHEST>;
mediatek,gce-client-reg = <&gce SUBSYS_1400XXXX 0 0x1000>;
@ -1433,11 +1434,11 @@
reg = <0 0x14014000 0 0x1000>;
interrupts = <GIC_SPI 236 IRQ_TYPE_LEVEL_LOW>;
power-domains = <&spm MT8183_POWER_DOMAIN_DISP>;
mediatek,syscon-dsi = <&mmsys 0x140>;
clocks = <&mmsys CLK_MM_DSI0_MM>,
<&mmsys CLK_MM_DSI0_IF>,
<&mipi_tx0>;
clock-names = "engine", "digital", "hs";
resets = <&mmsys MT8183_MMSYS_SW0_RST_B_DISP_DSI0>;
phys = <&mipi_tx0>;
phy-names = "dphy";
};

3
include/dt-bindings/reset/mt8183-resets.h
View File

@ -80,6 +80,9 @@
#define MT8183_INFRACFG_SW_RST_NUM 128
/* MMSYS resets */
#define MT8183_MMSYS_SW0_RST_B_DISP_DSI0 25
#define MT8183_TOPRGU_MM_SW_RST 1
#define MT8183_TOPRGU_MFG_SW_RST 2
#define MT8183_TOPRGU_VENC_SW_RST 3