linux-kernel - [PATCH v2 13/14] spi: spi-fsl-dspi: Enable support for S32G platforms

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Message-Id: <20250522-james-nxp-spi-v2-13-bea884630cfb@linaro.org>
Date: Thu, 22 May 2025 15:51:42 +0100
From: James Clark <james.clark@...aro.org>
To: Vladimir Oltean <olteanv@...il.com>, Mark Brown <broonie@...nel.org>, 
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Matti Vaittinen <mazziesaccount@...il.com>
Cc: Conor Dooley <conor+dt@...nel.org>, Frank Li <Frank.Li@....com>, 
 Chester Lin <chester62515@...il.com>, Matthias Brugger <mbrugger@...e.com>, 
 Ghennadi Procopciuc <ghennadi.procopciuc@....nxp.com>, 
 NXP S32 Linux Team <s32@....com>, Shawn Guo <shawnguo@...nel.org>, 
 Sascha Hauer <s.hauer@...gutronix.de>, 
 Pengutronix Kernel Team <kernel@...gutronix.de>, 
 Fabio Estevam <festevam@...il.com>, Chao Fu <B44548@...escale.com>, 
 Xiubo Li <Li.Xiubo@...escale.com>, Lukasz Majewski <lukma@...x.de>, 
 linux-spi@...r.kernel.org, imx@...ts.linux.dev, 
 linux-kernel@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-arm-kernel@...ts.infradead.org, 
 Vladimir Oltean <vladimir.oltean@....com>, 
 Dan Carpenter <dan.carpenter@...aro.org>, 
 Ciprian Marian Costea <ciprianmarian.costea@....com>, 
 Stoica Cosmin-Stefan <cosmin.stoica@....com>, Dan Nica <dan.nica@....com>, 
 Larisa Grigore <Larisa.Grigore@....com>, 
 Stefan-Gabriel Mirea <stefan-gabriel.mirea@....com>, 
 James Clark <james.clark@...aro.org>
Subject: [PATCH v2 13/14] spi: spi-fsl-dspi: Enable support for S32G
 platforms

From: Ciprian Marian Costea <ciprianmarian.costea@....com>

Add compatible for S32G platforms, allowing DSPI to be used.

Add a depends for ARCH_NXP which can replace LAYERSCAPE and also
includes the new ARCH_S32 for S32G. Similarly, ARCH_MXC can replace
SOC_VF610 || SOC_LS1021A which should avoid updating this for every new
sub-platform in the future.

Signed-off-by: Ciprian Marian Costea <ciprianmarian.costea@....com>
Signed-off-by: Stoica Cosmin-Stefan <cosmin.stoica@....com>
Signed-off-by: Dan Nica <dan.nica@....com>
Signed-off-by: Larisa Grigore <Larisa.Grigore@....com>
Signed-off-by: Stefan-Gabriel Mirea <stefan-gabriel.mirea@....com>
Signed-off-by: James Clark <james.clark@...aro.org>
---
 drivers/spi/Kconfig        | 4 ++--
 drivers/spi/spi-fsl-dspi.c | 3 +++
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig
index ed38f6d41f47..ff26be07226b 100644
--- a/drivers/spi/Kconfig
+++ b/drivers/spi/Kconfig
@@ -647,10 +647,10 @@ config SPI_FSL_SPI
 config SPI_FSL_DSPI
 	tristate "Freescale DSPI controller"
 	select REGMAP_MMIO
-	depends on SOC_VF610 || SOC_LS1021A || ARCH_LAYERSCAPE || M5441x || COMPILE_TEST
+	depends on ARCH_MXC || ARCH_NXP || M54541x || COMPILE_TEST
 	help
 	  This enables support for the Freescale DSPI controller in master
-	  mode. VF610, LS1021A and ColdFire platforms uses the controller.
+	  mode. S32, VF610, LS1021A and ColdFire platforms uses the controller.
 
 config SPI_FSL_ESPI
 	tristate "Freescale eSPI controller"
diff --git a/drivers/spi/spi-fsl-dspi.c b/drivers/spi/spi-fsl-dspi.c
index 01af641fa757..04c88d090c4d 100644
--- a/drivers/spi/spi-fsl-dspi.c
+++ b/drivers/spi/spi-fsl-dspi.c
@@ -1316,6 +1316,9 @@ static const struct of_device_id fsl_dspi_dt_ids[] = {
 	}, {
 		.compatible = "fsl,lx2160a-dspi",
 		.data = &devtype_data[LX2160A],
+	}, {
+		.compatible = "nxp,s32g2-dspi",
+		.data = &devtype_data[S32G],
 	},
 	{ /* sentinel */ }
 };

-- 
2.34.1