linux-kernel - [PATCH v2 9/9] spi: spi-fsl-lpspi: Add compatible for S32G

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Message-Id: <20250828-james-nxp-lpspi-v2-9-6262b9aa9be4@linaro.org>
Date: Thu, 28 Aug 2025 11:14:48 +0100
From: James Clark <james.clark@...aro.org>
To: Frank Li <Frank.Li@....com>, Mark Brown <broonie@...nel.org>, 
 Clark Wang <xiaoning.wang@....com>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>, 
 Sascha Hauer <s.hauer@...gutronix.de>, Fabio Estevam <festevam@...il.com>, 
 Larisa Grigore <larisa.grigore@....nxp.com>, 
 Larisa Grigore <larisa.grigore@....com>, 
 Ghennadi Procopciuc <ghennadi.procopciuc@....com>, 
 Ciprianmarian Costea <ciprianmarian.costea@....com>, s32@....com
Cc: James Clark <james.clark@...aro.org>, linux-spi@...r.kernel.org, 
 imx@...ts.linux.dev, linux-kernel@...r.kernel.org, 
 devicetree@...r.kernel.org
Subject: [PATCH v2 9/9] spi: spi-fsl-lpspi: Add compatible for S32G

From: Larisa Grigore <larisa.grigore@....com>

S32G doesn't have the max prescale erratum (default) and it can query
the max number of CS from hardware, so add those settings.

Signed-off-by: Larisa Grigore <larisa.grigore@....com>
Signed-off-by: Ciprian Marian Costea <ciprianmarian.costea@....com>
Signed-off-by: James Clark <james.clark@...aro.org>
---
 drivers/spi/spi-fsl-lpspi.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/spi/spi-fsl-lpspi.c b/drivers/spi/spi-fsl-lpspi.c
index ce347cdbb009..431439d4cdda 100644
--- a/drivers/spi/spi-fsl-lpspi.c
+++ b/drivers/spi/spi-fsl-lpspi.c
@@ -145,9 +145,14 @@ static const struct fsl_lpspi_devtype_data imx7ulp_lpspi_devtype_data = {
 	/* All defaults */
 };
 
+static const struct fsl_lpspi_devtype_data s32g_lpspi_devtype_data = {
+	.query_hw_for_num_cs = true,
+};
+
 static const struct of_device_id fsl_lpspi_dt_ids[] = {
 	{ .compatible = "fsl,imx7ulp-spi", .data = &imx7ulp_lpspi_devtype_data,},
 	{ .compatible = "fsl,imx93-spi", .data = &imx93_lpspi_devtype_data,},
+	{ .compatible = "nxp,s32g2-lpspi", .data = &s32g_lpspi_devtype_data,},
 	{ /* sentinel */ }
 };
 MODULE_DEVICE_TABLE(of, fsl_lpspi_dt_ids);

-- 
2.34.1