linux-kernel - [PATCH net-next 2/2] net: fec: Add initial s32v234 support

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Date:   Wed,  7 Sep 2022 17:56:49 +0800
From:   wei.fang@....com
To:     davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
        pabeni@...hat.com, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, netdev@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH net-next 2/2] net: fec: Add initial s32v234 support

From: Wei Fang <wei.fang@....com>

Update Kconfig to also check for ARCH_S32.
Add compatible string and quirks for fsl,s32v234

Signed-off-by: Wei Fang <wei.fang@....com>
---
 drivers/net/ethernet/freescale/Kconfig    |  6 +++---
 drivers/net/ethernet/freescale/fec_main.c | 12 ++++++++++++
 2 files changed, 15 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/freescale/Kconfig b/drivers/net/ethernet/freescale/Kconfig
index e04e1c5cb013..b7bf45cec29d 100644
--- a/drivers/net/ethernet/freescale/Kconfig
+++ b/drivers/net/ethernet/freescale/Kconfig
@@ -9,7 +9,7 @@ config NET_VENDOR_FREESCALE
 	depends on FSL_SOC || QUICC_ENGINE || CPM1 || CPM2 || PPC_MPC512x || \
 		   M523x || M527x || M5272 || M528x || M520x || M532x || \
 		   ARCH_MXC || ARCH_MXS || (PPC_MPC52xx && PPC_BESTCOMM) || \
-		   ARCH_LAYERSCAPE || COMPILE_TEST
+		   ARCH_LAYERSCAPE || ARCH_S32 || COMPILE_TEST
 	help
 	  If you have a network (Ethernet) card belonging to this class, say Y.
 
@@ -23,7 +23,7 @@ if NET_VENDOR_FREESCALE
 config FEC
 	tristate "FEC ethernet controller (of ColdFire and some i.MX CPUs)"
 	depends on (M523x || M527x || M5272 || M528x || M520x || M532x || \
-		   ARCH_MXC || SOC_IMX28 || COMPILE_TEST)
+		   ARCH_MXC || ARCH_S32 || SOC_IMX28 || COMPILE_TEST)
 	default ARCH_MXC || SOC_IMX28 if ARM
 	depends on PTP_1588_CLOCK_OPTIONAL
 	select CRC32
@@ -31,7 +31,7 @@ config FEC
 	imply NET_SELFTESTS
 	help
 	  Say Y here if you want to use the built-in 10/100 Fast ethernet
-	  controller on some Motorola ColdFire and Freescale i.MX processors.
+	  controller on some Motorola ColdFire and Freescale i.MX/S32 processors.
 
 config FEC_MPC52xx
 	tristate "FEC MPC52xx driver"
diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index 8ba8eb340b92..705348879b0c 100644
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -155,6 +155,13 @@ static const struct fec_devinfo fec_imx8qm_info = {
 		  FEC_QUIRK_DELAYED_CLKS_SUPPORT,
 };
 
+static const struct fec_devinfo fec_s32v234_info = {
+	.quirks = FEC_QUIRK_ENET_MAC | FEC_QUIRK_HAS_GBIT |
+		  FEC_QUIRK_HAS_BUFDESC_EX | FEC_QUIRK_HAS_CSUM |
+		  FEC_QUIRK_HAS_VLAN | FEC_QUIRK_HAS_AVB |
+		  FEC_QUIRK_ERR007885 | FEC_QUIRK_BUG_CAPTURE,
+};
+
 static struct platform_device_id fec_devtype[] = {
 	{
 		/* keep it for coldfire */
@@ -187,6 +194,9 @@ static struct platform_device_id fec_devtype[] = {
 	}, {
 		.name = "imx8qm-fec",
 		.driver_data = (kernel_ulong_t)&fec_imx8qm_info,
+	}, {
+		.name = "s32v234-fec",
+		.driver_data = (kernel_ulong_t)&fec_s32v234_info,
 	}, {
 		/* sentinel */
 	}
@@ -203,6 +213,7 @@ enum imx_fec_type {
 	IMX6UL_FEC,
 	IMX8MQ_FEC,
 	IMX8QM_FEC,
+	S32V234_FEC,
 };
 
 static const struct of_device_id fec_dt_ids[] = {
@@ -215,6 +226,7 @@ static const struct of_device_id fec_dt_ids[] = {
 	{ .compatible = "fsl,imx6ul-fec", .data = &fec_devtype[IMX6UL_FEC], },
 	{ .compatible = "fsl,imx8mq-fec", .data = &fec_devtype[IMX8MQ_FEC], },
 	{ .compatible = "fsl,imx8qm-fec", .data = &fec_devtype[IMX8QM_FEC], },
+	{ .compatible = "fsl,s32v234-fec", .data = &fec_devtype[S32V234_FEC], },
 	{ /* sentinel */ }
 };
 MODULE_DEVICE_TABLE(of, fec_dt_ids);
-- 
2.25.1