netdev - [PATCH net-next 2/2] net: airoha: npu: Add 7583 SoC support

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Message-Id: <20250926-airoha-npu-7583-v1-2-447e5e2df08d@kernel.org>
Date: Fri, 26 Sep 2025 17:43:23 +0200
From: Lorenzo Bianconi <lorenzo@...nel.org>
To: Andrew Lunn <andrew+netdev@...n.ch>, 
 "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, 
 Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, 
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>
Cc: netdev@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-arm-kernel@...ts.infradead.org, linux-mediatek@...ts.infradead.org, 
 Lorenzo Bianconi <lorenzo@...nel.org>
Subject: [PATCH net-next 2/2] net: airoha: npu: Add 7583 SoC support

Introduce support for Airoha 7583 SoC NPU selecting proper firmware images.

Signed-off-by: Lorenzo Bianconi <lorenzo@...nel.org>
---
 drivers/net/ethernet/airoha/airoha_npu.c | 18 ++++++++++++++++--
 1 file changed, 16 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/airoha/airoha_npu.c b/drivers/net/ethernet/airoha/airoha_npu.c
index e1d131d6115c10b40a56b63427eec59ea587d22a..fee611666aa0debf77165d9b10abecceb756ea97 100644
--- a/drivers/net/ethernet/airoha/airoha_npu.c
+++ b/drivers/net/ethernet/airoha/airoha_npu.c
@@ -16,6 +16,8 @@
 
 #define NPU_EN7581_FIRMWARE_DATA		"airoha/en7581_npu_data.bin"
 #define NPU_EN7581_FIRMWARE_RV32		"airoha/en7581_npu_rv32.bin"
+#define NPU_AN7583_FIRMWARE_DATA		"airoha/an7583_npu_data.bin"
+#define NPU_AN7583_FIRMWARE_RV32		"airoha/an7583_npu_rv32.bin"
 #define NPU_EN7581_FIRMWARE_RV32_MAX_SIZE	0x200000
 #define NPU_EN7581_FIRMWARE_DATA_MAX_SIZE	0x10000
 #define NPU_DUMP_SIZE				512
@@ -186,10 +188,15 @@ static int airoha_npu_run_firmware(struct device *dev, void __iomem *base,
 				   struct resource *res)
 {
 	const struct firmware *fw;
+	const char *fw_name;
 	void __iomem *addr;
 	int ret;
 
-	ret = request_firmware(&fw, NPU_EN7581_FIRMWARE_RV32, dev);
+	if (of_device_is_compatible(dev->of_node, "airoha,an7583-npu"))
+		fw_name = NPU_AN7583_FIRMWARE_RV32;
+	else
+		fw_name = NPU_EN7581_FIRMWARE_RV32;
+	ret = request_firmware(&fw, fw_name, dev);
 	if (ret)
 		return ret == -ENOENT ? -EPROBE_DEFER : ret;
 
@@ -209,7 +216,11 @@ static int airoha_npu_run_firmware(struct device *dev, void __iomem *base,
 	memcpy_toio(addr, fw->data, fw->size);
 	release_firmware(fw);
 
-	ret = request_firmware(&fw, NPU_EN7581_FIRMWARE_DATA, dev);
+	if (of_device_is_compatible(dev->of_node, "airoha,an7583-npu"))
+		fw_name = NPU_AN7583_FIRMWARE_DATA;
+	else
+		fw_name = NPU_EN7581_FIRMWARE_DATA;
+	ret = request_firmware(&fw, fw_name, dev);
 	if (ret)
 		return ret == -ENOENT ? -EPROBE_DEFER : ret;
 
@@ -612,6 +623,7 @@ EXPORT_SYMBOL_GPL(airoha_npu_put);
 
 static const struct of_device_id of_airoha_npu_match[] = {
 	{ .compatible = "airoha,en7581-npu" },
+	{ .compatible = "airoha,an7583-npu" },
 	{ /* sentinel */ }
 };
 MODULE_DEVICE_TABLE(of, of_airoha_npu_match);
@@ -749,6 +761,8 @@ module_platform_driver(airoha_npu_driver);
 
 MODULE_FIRMWARE(NPU_EN7581_FIRMWARE_DATA);
 MODULE_FIRMWARE(NPU_EN7581_FIRMWARE_RV32);
+MODULE_FIRMWARE(NPU_AN7583_FIRMWARE_DATA);
+MODULE_FIRMWARE(NPU_AN7583_FIRMWARE_RV32);
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Lorenzo Bianconi <lorenzo@...nel.org>");
 MODULE_DESCRIPTION("Airoha Network Processor Unit driver");

-- 
2.51.0