From: Allen-KH Cheng <allen-kh.cheng@mediatek.com>
Date: Fri, 18 Mar 2022 14:45:31 +0000 (+0800)
Subject: arm64: dts: mt8192: Add the mmsys reset bit to reset the dsi0
X-Git-Tag: howlett/maple/20220722_2~451^2^2~28
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=19c66219e4d5b813ebbd28621cfe9c450659ded7;p=users%2Fjedix%2Flinux-maple.git

arm64: dts: mt8192: 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: Allen-KH Cheng <allen-kh.cheng@mediatek.com>
Reviewed-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220318144534.17996-20-allen-kh.cheng@mediatek.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
---

diff --git a/include/dt-bindings/reset/mt8192-resets.h b/include/dt-bindings/reset/mt8192-resets.h
index be9a7ca245b94..764ca9910fa9c 100644
--- a/include/dt-bindings/reset/mt8192-resets.h
+++ b/include/dt-bindings/reset/mt8192-resets.h
@@ -27,4 +27,7 @@
 
 #define MT8192_TOPRGU_SW_RST_NUM				23
 
+/* MMSYS resets */
+#define MT8192_MMSYS_SW0_RST_B_DISP_DSI0			15
+
 #endif  /* _DT_BINDINGS_RESET_CONTROLLER_MT8192 */