linux-kernel - [PATCH v4 19/22] arm64: dts: mt8192: Add the mmsys reset bit to reset the dsi0

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Message-ID: <20220318144534.17996-20-allen-kh.cheng@mediatek.com>
Date:   Fri, 18 Mar 2022 22:45:31 +0800
From:   Allen-KH Cheng <allen-kh.cheng@...iatek.com>
To:     Matthias Brugger <matthias.bgg@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
CC:     <Project_Global_Chrome_Upstream_Group@...iatek.com>,
        <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-mediatek@...ts.infradead.org>,
        "Chen-Yu Tsai" <wenst@...omium.org>,
        Ryder Lee <ryder.lee@...nel.org>,
        Hui Liu <hui.liu@...iatek.com>,
        Allen-KH Cheng <allen-kh.cheng@...iatek.com>
Subject: [PATCH v4 19/22] 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@...iatek.com>
---
 include/dt-bindings/reset/mt8192-resets.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/include/dt-bindings/reset/mt8192-resets.h b/include/dt-bindings/reset/mt8192-resets.h
index be9a7ca245b9..764ca9910fa9 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 */
-- 
2.18.0