linux-kernel - [PATCH v2 1/3] dt-bindings: clock: airoha: Add reset support to EN7523 clock binding

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Message-ID: <20250924094112.1918444-2-mikhail.kshevetskiy@iopsys.eu>
Date: Wed, 24 Sep 2025 12:41:10 +0300
From: Mikhail Kshevetskiy <mikhail.kshevetskiy@...sys.eu>
To: Michael Turquette <mturquette@...libre.com>,
	Stephen Boyd <sboyd@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Matthias Brugger <matthias.bgg@...il.com>,
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
	Philipp Zabel <p.zabel@...gutronix.de>,
	Felix Fietkau <nbd@....name>,
	linux-clk@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-mediatek@...ts.infradead.org
Cc: Mikhail Kshevetskiy <mikhail.kshevetskiy@...sys.eu>,
	Andreas Gnau <andreas.gnau@...sys.eu>
Subject: [PATCH v2 1/3] dt-bindings: clock: airoha: Add reset support to EN7523 clock binding

Introduce reset capability to EN7523 device-tree clock binding
documentation.

Signed-off-by: Mikhail Kshevetskiy <mikhail.kshevetskiy@...sys.eu>
---
 .../bindings/clock/airoha,en7523-scu.yaml     |  3 +-
 .../dt-bindings/reset/airoha,en7523-reset.h   | 61 +++++++++++++++++++
 2 files changed, 62 insertions(+), 2 deletions(-)
 create mode 100644 include/dt-bindings/reset/airoha,en7523-reset.h

diff --git a/Documentation/devicetree/bindings/clock/airoha,en7523-scu.yaml b/Documentation/devicetree/bindings/clock/airoha,en7523-scu.yaml
index fe2c5c1baf43..a8471367175b 100644
--- a/Documentation/devicetree/bindings/clock/airoha,en7523-scu.yaml
+++ b/Documentation/devicetree/bindings/clock/airoha,en7523-scu.yaml
@@ -64,8 +64,6 @@ allOf:
         reg:
           minItems: 2
 
-        '#reset-cells': false
-
   - if:
       properties:
         compatible:
@@ -85,6 +83,7 @@ examples:
       reg = <0x1fa20000 0x400>,
             <0x1fb00000 0x1000>;
       #clock-cells = <1>;
+      #reset-cells = <1>;
     };
 
   - |
diff --git a/include/dt-bindings/reset/airoha,en7523-reset.h b/include/dt-bindings/reset/airoha,en7523-reset.h
new file mode 100644
index 000000000000..211e8a23a21c
--- /dev/null
+++ b/include/dt-bindings/reset/airoha,en7523-reset.h
@@ -0,0 +1,61 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (C) 2024 iopsys Software Solutions AB.
+ * Copyright (C) 2025 Genexis AB.
+ *
+ * Author: Mikhail Kshevetskiy <mikhail.kshevetskiy@...sys.eu>
+ *
+ * based on
+ *   include/dt-bindings/reset/airoha,en7581-reset.h
+ * by Lorenzo Bianconi <lorenzo@...nel.org>
+ */
+
+#ifndef __DT_BINDINGS_RESET_CONTROLLER_AIROHA_EN7523_H_
+#define __DT_BINDINGS_RESET_CONTROLLER_AIROHA_EN7523_H_
+
+/* RST_CTRL2 */
+#define EN7523_XPON_PHY_RST		 0
+#define EN7523_XSI_MAC_RST		 1
+#define EN7523_XSI_PHY_RST		 2
+#define EN7523_NPU_RST			 3
+#define EN7523_I2S_RST			 4
+#define EN7523_TRNG_RST			 5
+#define EN7523_TRNG_MSTART_RST		 6
+#define EN7523_DUAL_HSI0_RST		 7
+#define EN7523_DUAL_HSI1_RST		 8
+#define EN7523_HSI_RST			 9
+#define EN7523_DUAL_HSI0_MAC_RST	10
+#define EN7523_DUAL_HSI1_MAC_RST	11
+#define EN7523_HSI_MAC_RST		12
+#define EN7523_WDMA_RST			13
+#define EN7523_WOE0_RST			14
+#define EN7523_WOE1_RST			15
+#define EN7523_HSDMA_RST		16
+#define EN7523_I2C2RBUS_RST		17
+#define EN7523_TDMA_RST			18
+/* RST_CTRL1 */
+#define EN7523_PCM1_ZSI_ISI_RST		19
+#define EN7523_FE_PDMA_RST		20
+#define EN7523_FE_QDMA_RST		21
+#define EN7523_PCM_SPIWP_RST		22
+#define EN7523_CRYPTO_RST		23
+#define EN7523_TIMER_RST		24
+#define EN7523_PCM1_RST			25
+#define EN7523_UART_RST			26
+#define EN7523_GPIO_RST			27
+#define EN7523_GDMA_RST			28
+#define EN7523_I2C_MASTER_RST		29
+#define EN7523_PCM2_ZSI_ISI_RST		30
+#define EN7523_SFC_RST			31
+#define EN7523_UART2_RST		32
+#define EN7523_GDMP_RST			33
+#define EN7523_FE_RST			34
+#define EN7523_USB_HOST_P0_RST		35
+#define EN7523_GSW_RST			36
+#define EN7523_SFC2_PCM_RST		37
+#define EN7523_PCIE0_RST		38
+#define EN7523_PCIE1_RST		39
+#define EN7523_PCIE_HB_RST		40
+#define EN7523_XPON_MAC_RST		41
+
+#endif /* __DT_BINDINGS_RESET_CONTROLLER_AIROHA_EN7523_H_ */
-- 
2.51.0