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| author | Enric Balletbo i Serra <enric.balletbo@collabora.com> | 2021-09-30 10:31:47 +0200 |
|---|---|---|
| committer | Matthias Brugger <matthias.bgg@gmail.com> | 2021-10-08 15:11:13 +0200 |
| commit | 7fdb1bc3d96e9c8860dd434dd725cc94603744fa (patch) | |
| tree | a5a0a93b93a9716947de0c72e67fbaed80932653 | |
| parent | dt-bindings: display: mediatek: add dsi reset optional property (diff) | |
| download | linux-7fdb1bc3d96e9c8860dd434dd725cc94603744fa.tar.xz linux-7fdb1bc3d96e9c8860dd434dd725cc94603744fa.zip | |
arm64: dts: mt8173: 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.
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.v4.4.I7bd7d9a8da5e2894711b700a1127e6902a2b2f1d@changeid
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
| -rw-r--r-- | arch/arm64/boot/dts/mediatek/mt8173.dtsi | 2 | ||||
| -rw-r--r-- | include/dt-bindings/reset/mt8173-resets.h | 2 |
2 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/mediatek/mt8173.dtsi b/arch/arm64/boot/dts/mediatek/mt8173.dtsi index d9e005ae5bb0..dee66e5f054c 100644 --- a/arch/arm64/boot/dts/mediatek/mt8173.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8173.dtsi @@ -996,6 +996,7 @@ assigned-clocks = <&topckgen CLK_TOP_MM_SEL>; assigned-clock-rates = <400000000>; #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>; @@ -1222,6 +1223,7 @@ <&mmsys CLK_MM_DSI0_DIGITAL>, <&mipi_tx0>; clock-names = "engine", "digital", "hs"; + resets = <&mmsys MT8173_MMSYS_SW0_RST_B_DISP_DSI0>; phys = <&mipi_tx0>; phy-names = "dphy"; status = "disabled"; diff --git a/include/dt-bindings/reset/mt8173-resets.h b/include/dt-bindings/reset/mt8173-resets.h index ba8636eda5ae..6a60c7cecc4c 100644 --- a/include/dt-bindings/reset/mt8173-resets.h +++ b/include/dt-bindings/reset/mt8173-resets.h @@ -27,6 +27,8 @@ #define MT8173_INFRA_GCE_FAXI_RST 40 #define MT8173_INFRA_MMIOMMURST 47 +/* MMSYS resets */ +#define MT8173_MMSYS_SW0_RST_B_DISP_DSI0 25 /* PERICFG resets */ #define MT8173_PERI_UART0_SW_RST 0 |