Thread (52 messages) 52 messages, 6 authors, 2025-07-22
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[PATCH v2 10/29] dt-bindings: reset: Add MediaTek MT8196 Reset Controller binding

From: Laura Nao <hidden>
Date: 2025-06-24 14:33:45
Also in: linux-arm-kernel, linux-clk, linux-devicetree, linux-mediatek, lkml
Subsystem: open firmware and flattened device tree bindings, reset controller framework, the rest · Maintainers: Rob Herring, Krzysztof Kozlowski, Conor Dooley, Philipp Zabel, Linus Torvalds

From: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>

Add a binding for the PEXTP0/1 and UFS reset controllers found in
the MediaTek MT8196 Chromebook SoC.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Laura Nao <redacted>
---
 .../reset/mediatek,mt8196-resets.h            | 26 +++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 include/dt-bindings/reset/mediatek,mt8196-resets.h
diff --git a/include/dt-bindings/reset/mediatek,mt8196-resets.h b/include/dt-bindings/reset/mediatek,mt8196-resets.h
new file mode 100644
index 000000000000..46ced0850d91
--- /dev/null
+++ b/include/dt-bindings/reset/mediatek,mt8196-resets.h
@@ -0,0 +1,26 @@
+/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
+/*
+ * Copyright (c) 2025 Collabora Ltd.
+ * Author: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
+ */
+
+#ifndef _DT_BINDINGS_RESET_CONTROLLER_MT8196
+#define _DT_BINDINGS_RESET_CONTROLLER_MT8196
+
+/* PEXTP0 resets */
+#define MT8196_PEXTP0_RST0_PCIE0_MAC		0
+#define MT8196_PEXTP0_RST0_PCIE0_PHY		1
+
+/* PEXTP1 resets */
+#define MT8196_PEXTP1_RST0_PCIE1_MAC		0
+#define MT8196_PEXTP1_RST0_PCIE1_PHY		1
+#define MT8196_PEXTP1_RST0_PCIE2_MAC		2
+#define MT8196_PEXTP1_RST0_PCIE2_PHY		3
+
+/* UFS resets */
+#define MT8196_UFSAO_RST0_UFS_MPHY		0
+#define MT8196_UFSAO_RST1_UFS_UNIPRO		1
+#define MT8196_UFSAO_RST1_UFS_CRYPTO		2
+#define MT8196_UFSAO_RST1_UFSHCI		3
+
+#endif  /* _DT_BINDINGS_RESET_CONTROLLER_MT8196 */
-- 
2.39.5
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