Thread (14 messages) 14 messages, 4 authors, 2025-08-27

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

From: Frank Li <Frank.li@nxp.com>
Date: 2025-08-27 14:39:55
Also in: imx, linux-devicetree, linux-media, lkml

On Wed, Aug 27, 2025 at 05:53:52PM +0800, Guoniu Zhou wrote:
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.
Nit:

The ISI module on i.MX91 implements only one channel and one parallel
camera input. As no input source selection is required, gasket ops are
unnecessary.

Reviewed-by: Frank Li <Frank.Li@nxp.com>
quoted hunk ↗ jump to hunk
Signed-off-by: Guoniu Zhou <redacted>
---
 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
  
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