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

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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
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@ -1319,6 +1319,7 @@ mmsys: syscon@14000000 {
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 @@ dsi0: dsi@14014000 {
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