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([81.56.18.151]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-499a9b7c987sm27316965e9.1.2026.08.19.03.19.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 19 Aug 2026 03:19:17 -0700 (PDT) From: Luca Leonardo Scorcia To: linux-mediatek@lists.infradead.org Cc: Luca Leonardo Scorcia , Wim Van Sebroeck , Guenter Roeck , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , AngeloGioacchino Del Regno , Philipp Zabel , linux-watchdog@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v4 4/7] dt-bindings: watchdog: Add compatible for MediaTek mt8167 Date: Wed, 19 Aug 2026 12:16:25 +0200 Message-ID: <20260819101853.44681-5-l.scorcia@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260819101853.44681-1-l.scorcia@gmail.com> References: <20260819101853.44681-1-l.scorcia@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Currently mt8167 inherits its watchdog from the included mt8516 dtsi, which in turn falls back on mt6589-wdt. However according to the data sheet mt8167 toprgu is not actually compatible with mt6589: the latter has 12 contiguous toprgu reset bits while the former has 14 non-contiguous toprgu reset bits. Update the mtk-wdt binding to add a dedicated compatible for mt8167 and add the IDs that can be used in device trees to identify toprgu and mmsys subsystem resets. Signed-off-by: Luca Leonardo Scorcia --- .../bindings/watchdog/mediatek,mtk-wdt.yaml | 1 + .../dt-bindings/reset/mediatek,mt8167-mmsys.h | 35 +++++++++++++++++++ .../dt-bindings/reset/mediatek,mt8167-wdt.h | 21 +++++++++++ 3 files changed, 57 insertions(+) create mode 100644 include/dt-bindings/reset/mediatek,mt8167-mmsys.h create mode 100644 include/dt-bindings/reset/mediatek,mt8167-wdt.h diff --git a/Documentation/devicetree/bindings/watchdog/mediatek,mtk-wdt.yaml b/Documentation/devicetree/bindings/watchdog/mediatek,mtk-wdt.yaml index 953629cb9558..f514be8a5851 100644 --- a/Documentation/devicetree/bindings/watchdog/mediatek,mtk-wdt.yaml +++ b/Documentation/devicetree/bindings/watchdog/mediatek,mtk-wdt.yaml @@ -26,6 +26,7 @@ properties: - mediatek,mt6795-wdt - mediatek,mt7986-wdt - mediatek,mt7988-wdt + - mediatek,mt8167-wdt - mediatek,mt8183-wdt - mediatek,mt8186-wdt - mediatek,mt8188-wdt diff --git a/include/dt-bindings/reset/mediatek,mt8167-mmsys.h b/include/dt-bindings/reset/mediatek,mt8167-mmsys.h new file mode 100644 index 000000000000..b21f67b3b55c --- /dev/null +++ b/include/dt-bindings/reset/mediatek,mt8167-mmsys.h @@ -0,0 +1,35 @@ +/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */ +#ifndef _DT_BINDINGS_RESET_MEDIATEK_MT8167_MMSYS_H_ +#define _DT_BINDINGS_RESET_MEDIATEK_MT8167_MMSYS_H_ + +/* MMSYS reset IDs */ +#define MT8167_MMSYS_SW0_RST_B_SMI_COMMON 0 +#define MT8167_MMSYS_SW0_RST_B_SMI_LARB0 1 +#define MT8167_MMSYS_SW0_RST_B_CAM_MDP 2 +#define MT8167_MMSYS_SW0_RST_B_MDP_RDMA0 3 +#define MT8167_MMSYS_SW0_RST_B_MDP_RSZ0 4 +#define MT8167_MMSYS_SW0_RST_B_MDP_RSZ1 5 +#define MT8167_MMSYS_SW0_RST_B_MDP_TDSHP0 6 +#define MT8167_MMSYS_SW0_RST_B_MDP_WDMA 7 +#define MT8167_MMSYS_SW0_RST_B_MDP_WROT0 8 +#define MT8167_MMSYS_SW0_RST_B_FAKE_ENG 9 +#define MT8167_MMSYS_SW0_RST_B_MUTEX 10 +#define MT8167_MMSYS_SW0_RST_B_DISP_OVL0 11 +#define MT8167_MMSYS_SW0_RST_B_DISP_RDMA0 12 +#define MT8167_MMSYS_SW0_RST_B_DISP_RDMA1 13 +#define MT8167_MMSYS_SW0_RST_B_DISP_WDMA0 14 +#define MT8167_MMSYS_SW0_RST_B_DISP_COLOR 15 +#define MT8167_MMSYS_SW0_RST_B_DISP_CCORR 16 +#define MT8167_MMSYS_SW0_RST_B_DISP_AAL 17 +#define MT8167_MMSYS_SW0_RST_B_DISP_GAMMA 18 +#define MT8167_MMSYS_SW0_RST_B_DISP_DITHER 19 +#define MT8167_MMSYS_SW0_RST_B_DISP_UFOE 20 +#define MT8167_MMSYS_SW0_RST_B_DISP_PWM 21 +#define MT8167_MMSYS_SW0_RST_B_DSI0 22 +#define MT8167_MMSYS_SW0_RST_B_DPI0 23 +#define MT8167_MMSYS_SW0_RST_B_MIPI_TX_CONFIG 24 +#define MT8167_MMSYS_SW1_RST_B_LVDS_ENCODER 25 +#define MT8167_MMSYS_SW1_RST_B_DPI1 26 +#define MT8167_MMSYS_SW1_RST_B_HDMI 27 + +#endif /* _DT_BINDINGS_RESET_MEDIATEK_MT8167_MMSYS_H_ */ diff --git a/include/dt-bindings/reset/mediatek,mt8167-wdt.h b/include/dt-bindings/reset/mediatek,mt8167-wdt.h new file mode 100644 index 000000000000..1a24bfe079ca --- /dev/null +++ b/include/dt-bindings/reset/mediatek,mt8167-wdt.h @@ -0,0 +1,21 @@ +/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */ +#ifndef _DT_BINDINGS_RESET_MEDIATEK_MT8167_WDT_H_ +#define _DT_BINDINGS_RESET_MEDIATEK_MT8167_WDT_H_ + +/* TOPRGU reset IDs */ +#define MT8167_TOPRGU_DDRPHY_FLASH_RST 0 +#define MT8167_TOPRGU_AUD_PAD_RST 1 +#define MT8167_TOPRGU_MM_RST 2 +#define MT8167_TOPRGU_MFG_RST 3 +#define MT8167_TOPRGU_MDSYS_RST 4 +#define MT8167_TOPRGU_CONN_RST 5 +#define MT8167_TOPRGU_PAD2CAM_DIG_MIPI_RX_RST 6 +#define MT8167_TOPRGU_DIG_MIPI_TX_RST 7 +#define MT8167_TOPRGU_SPI_PAD_MACRO_RST 8 +#define MT8167_TOPRGU_APMIXED_RST 9 +#define MT8167_TOPRGU_VDEC_RST 10 +#define MT8167_TOPRGU_CONN_MCU_RST 11 +#define MT8167_TOPRGU_EFUSE_RST 12 +#define MT8167_TOPRGU_PWRAP_SPICTL_RST 13 + +#endif /* _DT_BINDINGS_RESET_MEDIATEK_MT8167_WDT_H_ */ -- 2.43.0