linux-kernel - [PATCH 5/5] media: nxp: imx8-isi: Add ISI support for i.MX91

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Message-Id: <20250827-isi_imx93-v1-5-83e6b4b50c4d@nxp.com>
Date: Wed, 27 Aug 2025 17:53:52 +0800
From: Guoniu Zhou <guoniu.zhou@....com>
To: Laurent Pinchart <laurent.pinchart@...asonboard.com>, 
 Mauro Carvalho Chehab <mchehab@...nel.org>, 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>, 
 Pengutronix Kernel Team <kernel@...gutronix.de>, 
 Fabio Estevam <festevam@...il.com>, Frank Li <frank.li@....com>
Cc: linux-media@...r.kernel.org, devicetree@...r.kernel.org, 
 imx@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org, 
 linux-kernel@...r.kernel.org, Guoniu Zhou <guoniu.zhou@....com>
Subject: [PATCH 5/5] media: nxp: imx8-isi: Add ISI support for i.MX91

The ISI module on i.MX91 implements one channel and one camera input
which only can be connected to parallel camera input, so no need to
select camera input source in gasket ops.

Signed-off-by: Guoniu Zhou <guoniu.zhou@....com>
---
 drivers/media/platform/nxp/imx8-isi/imx8-isi-core.c | 12 ++++++++++++
 drivers/media/platform/nxp/imx8-isi/imx8-isi-core.h |  1 +
 2 files changed, 13 insertions(+)

diff --git a/drivers/media/platform/nxp/imx8-isi/imx8-isi-core.c b/drivers/media/platform/nxp/imx8-isi/imx8-isi-core.c
index cae918792ddbe3e6f458606fbbb7d0ad5738504c..3a675321a256cae885ca2f89a31d64262ccc35f0 100644
--- a/drivers/media/platform/nxp/imx8-isi/imx8-isi-core.c
+++ b/drivers/media/platform/nxp/imx8-isi/imx8-isi-core.c
@@ -347,6 +347,17 @@ static const struct mxc_isi_plat_data mxc_imx8ulp_data = {
 	.has_36bit_dma		= false,
 };
 
+static const struct mxc_isi_plat_data mxc_imx91_data = {
+	.model			= MXC_ISI_IMX91,
+	.num_ports		= 1,
+	.num_channels		= 1,
+	.reg_offset		= 0,
+	.ier_reg		= &mxc_imx8_isi_ier_v2,
+	.set_thd		= &mxc_imx8_isi_thd_v1,
+	.buf_active_reverse	= true,
+	.has_36bit_dma		= false,
+};
+
 static const struct mxc_isi_plat_data mxc_imx93_data = {
 	.model			= MXC_ISI_IMX93,
 	.num_ports		= 1,
@@ -539,6 +550,7 @@ static const struct of_device_id mxc_isi_of_match[] = {
 	{ .compatible = "fsl,imx8qm-isi", .data = &mxc_imx8qm_data },
 	{ .compatible = "fsl,imx8qxp-isi", .data = &mxc_imx8qxp_data },
 	{ .compatible = "fsl,imx8ulp-isi", .data = &mxc_imx8ulp_data },
+	{ .compatible = "fsl,imx91-isi", .data = &mxc_imx91_data },
 	{ .compatible = "fsl,imx93-isi", .data = &mxc_imx93_data },
 	{ /* sentinel */ },
 };
diff --git a/drivers/media/platform/nxp/imx8-isi/imx8-isi-core.h b/drivers/media/platform/nxp/imx8-isi/imx8-isi-core.h
index 206995bedca4a4c5d7873f3bc872fbae18b3cb75..6ae023aebba9da809a0baf9a9da08672d31d5cc1 100644
--- a/drivers/media/platform/nxp/imx8-isi/imx8-isi-core.h
+++ b/drivers/media/platform/nxp/imx8-isi/imx8-isi-core.h
@@ -160,6 +160,7 @@ enum model {
 	MXC_ISI_IMX8QM,
 	MXC_ISI_IMX8QXP,
 	MXC_ISI_IMX8ULP,
+	MXC_ISI_IMX91,
 	MXC_ISI_IMX93,
 };
 

-- 
2.34.1