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It can process up to eight image sources at the same time. Signed-off-by: Guoniu Zhou --- .../devicetree/bindings/media/nxp,imx8-isi.yaml | 26 ++++++++++++++++++= +++- 1 file changed, 25 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/media/nxp,imx8-isi.yaml b/Do= cumentation/devicetree/bindings/media/nxp,imx8-isi.yaml index f43b91984f0152fbbcf80db3b3bbad7e8ad6c11e..eaab98ecf343a2cd3620f7469c0= 16c3955d37406 100644 --- a/Documentation/devicetree/bindings/media/nxp,imx8-isi.yaml +++ b/Documentation/devicetree/bindings/media/nxp,imx8-isi.yaml @@ -23,6 +23,7 @@ properties: - fsl,imx8mp-isi - fsl,imx8ulp-isi - fsl,imx93-isi + - fsl,imx95-isi =20 reg: maxItems: 1 @@ -49,7 +50,7 @@ properties: interrupts: description: Processing pipeline interrupts, one per pipeline minItems: 1 - maxItems: 2 + maxItems: 8 =20 power-domains: maxItems: 1 @@ -109,6 +110,29 @@ allOf: - port@0 - port@1 =20 + - if: + properties: + compatible: + contains: + const: fsl,imx95-isi + then: + properties: + interrupts: + maxItems: 8 + ports: + properties: + port@0: + description: Pixel Link Slave 0 + port@1: + description: Pixel Link Slave 1 + port@2: + description: MIPI CSI-2 RX 0 + port@3: + description: MIPI CSI-2 RX 1 + required: + - port@2 + - port@3 + additionalProperties: false =20 examples: --=20 2.34.1 From nobody Mon Feb 9 05:43:04 2026 Received: from AM0PR83CU005.outbound.protection.outlook.com (mail-westeuropeazon11010047.outbound.protection.outlook.com [52.101.69.47]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7D59A30DED9; 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Its default value is 0xff, so no need to set again. Besides, the field only exist in i.MX8QM/XP ISI version. Other versions like mscale series, remove the field since it won't send data to AXI bus when overflow error occurs and set the field as reserved. i.MX9 series use the field as other purposes. Signed-off-by: Guoniu Zhou Reviewed-by: Frank Li Reviewed-by: Laurent Pinchart --- drivers/media/platform/nxp/imx8-isi/imx8-isi-hw.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/media/platform/nxp/imx8-isi/imx8-isi-hw.c b/drivers/me= dia/platform/nxp/imx8-isi/imx8-isi-hw.c index 9225a7ac1c3ee7e42e64983982eb4b6c27e356fe..0187d4ab97e8e28fca9013f6864= a094e08f2c570 100644 --- a/drivers/media/platform/nxp/imx8-isi/imx8-isi-hw.c +++ b/drivers/media/platform/nxp/imx8-isi/imx8-isi-hw.c @@ -309,8 +309,8 @@ static void mxc_isi_channel_set_control(struct mxc_isi_= pipe *pipe, =20 val =3D mxc_isi_read(pipe, CHNL_CTRL); val &=3D ~(CHNL_CTRL_CHNL_BYPASS | CHNL_CTRL_CHAIN_BUF_MASK | - CHNL_CTRL_BLANK_PXL_MASK | CHNL_CTRL_SRC_TYPE_MASK | - CHNL_CTRL_MIPI_VC_ID_MASK | CHNL_CTRL_SRC_INPUT_MASK); + CHNL_CTRL_SRC_TYPE_MASK | CHNL_CTRL_MIPI_VC_ID_MASK | + CHNL_CTRL_SRC_INPUT_MASK); =20 /* * If no scaling or color space conversion is needed, bypass the @@ -323,8 +323,6 @@ static void mxc_isi_channel_set_control(struct mxc_isi_= pipe *pipe, if (pipe->chained) val |=3D CHNL_CTRL_CHAIN_BUF(CHNL_CTRL_CHAIN_BUF_2_CHAIN); 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It can process up to eight image sources at the same time. In i.MX95, the gasket callbacks set ISI QoS which decide the priority to access system memory when there are multiple masters access memory simultaneously in camera domain. Signed-off-by: Guoniu Zhou --- .../media/platform/nxp/imx8-isi/imx8-isi-core.c | 13 +++++++ .../media/platform/nxp/imx8-isi/imx8-isi-core.h | 2 + .../media/platform/nxp/imx8-isi/imx8-isi-gasket.c | 44 ++++++++++++++++++= ++++ 3 files changed, 59 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 adc8d9960bf0df87d4e475661a3439beaf5ce9f6..ea9cc6d72bd4605000c6cbac2fa= 8cb9806e3cd3b 100644 --- a/drivers/media/platform/nxp/imx8-isi/imx8-isi-core.c +++ b/drivers/media/platform/nxp/imx8-isi/imx8-isi-core.c @@ -337,6 +337,18 @@ static const struct mxc_isi_plat_data mxc_imx93_data = =3D { .has_36bit_dma =3D false, }; =20 +static const struct mxc_isi_plat_data mxc_imx95_data =3D { + .model =3D MXC_ISI_IMX95, + .num_ports =3D 4, + .num_channels =3D 8, + .reg_offset =3D 0x10000, + .ier_reg =3D &mxc_imx8_isi_ier_v2, + .set_thd =3D &mxc_imx8_isi_thd_v1, + .buf_active_reverse =3D true, + .gasket_ops =3D &mxc_imx95_gasket_ops, + .has_36bit_dma =3D true, +}; + static const struct mxc_isi_plat_data mxc_imx8qm_data =3D { .model =3D MXC_ISI_IMX8QM, .num_ports =3D 5, @@ -548,6 +560,7 @@ static const struct of_device_id mxc_isi_of_match[] =3D= { { .compatible =3D "fsl,imx8qxp-isi", .data =3D &mxc_imx8qxp_data }, { .compatible =3D "fsl,imx8ulp-isi", .data =3D &mxc_imx8ulp_data }, { .compatible =3D "fsl,imx93-isi", .data =3D &mxc_imx93_data }, + { .compatible =3D "fsl,imx95-isi", .data =3D &mxc_imx95_data }, { /* sentinel */ }, }; MODULE_DEVICE_TABLE(of, mxc_isi_of_match); 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 e84af5127e4e7938e55e31b7063bee5e2cd4cb11..d1297ac26c56bdd97e4dd325b2a= 7394430a7adb9 100644 --- a/drivers/media/platform/nxp/imx8-isi/imx8-isi-core.h +++ b/drivers/media/platform/nxp/imx8-isi/imx8-isi-core.h @@ -161,6 +161,7 @@ enum model { MXC_ISI_IMX8QXP, MXC_ISI_IMX8ULP, MXC_ISI_IMX93, + MXC_ISI_IMX95, }; =20 struct mxc_isi_plat_data { @@ -297,6 +298,7 @@ struct mxc_isi_dev { =20 extern const struct mxc_gasket_ops mxc_imx8_gasket_ops; extern const struct mxc_gasket_ops mxc_imx93_gasket_ops; +extern const struct mxc_gasket_ops mxc_imx95_gasket_ops; =20 int mxc_isi_crossbar_init(struct mxc_isi_dev *isi); void mxc_isi_crossbar_cleanup(struct mxc_isi_crossbar *xbar); diff --git a/drivers/media/platform/nxp/imx8-isi/imx8-isi-gasket.c b/driver= s/media/platform/nxp/imx8-isi/imx8-isi-gasket.c index f69c3b5d478209c083738477edf380e3f280c471..6418ee1aabdad3cb92e84f2ef64= 06c5503987401 100644 --- a/drivers/media/platform/nxp/imx8-isi/imx8-isi-gasket.c +++ b/drivers/media/platform/nxp/imx8-isi/imx8-isi-gasket.c @@ -3,6 +3,7 @@ * Copyright 2019-2023 NXP */ =20 +#include #include =20 #include @@ -83,3 +84,46 @@ const struct mxc_gasket_ops mxc_imx93_gasket_ops =3D { .enable =3D mxc_imx93_gasket_enable, .disable =3D mxc_imx93_gasket_disable, }; + +/* -----------------------------------------------------------------------= ------ + * i.MX95 gasket + */ +#define ISI_QOS 0x10 +#define ISI_QOS_AWQOS(x) FIELD_PREP(GENMASK(2, 0), (x)) + +#define ISI_PANIC_QOS 0x14 +#define ISI_PANIC_QOS_HURRY_AWQOS(x) FIELD_PREP(GENMASK(2, 0), (x)) + +static void mxc_imx95_set_qos(struct mxc_isi_dev *isi, unsigned int val) +{ + /* Config QoS */ + regmap_write(isi->gasket, ISI_QOS, ISI_QOS_AWQOS(val)); + + /* Config Panic QoS */ + regmap_write(isi->gasket, ISI_PANIC_QOS, ISI_PANIC_QOS_HURRY_AWQOS(val)); +} + +static void mxc_imx95_clear_qos(struct mxc_isi_dev *isi) +{ + regmap_write(isi->gasket, ISI_QOS, 0x0); + regmap_write(isi->gasket, ISI_PANIC_QOS, 0x0); +} + +static void mxc_imx95_gasket_enable(struct mxc_isi_dev *isi, + const struct v4l2_mbus_frame_desc *fd, + const struct v4l2_mbus_framefmt *fmt, + const unsigned int port) +{ + mxc_imx95_set_qos(isi, 0x3); +} + +static void mxc_imx95_gasket_disable(struct mxc_isi_dev *isi, + unsigned int port) +{ + mxc_imx95_clear_qos(isi); +} + +const struct mxc_gasket_ops mxc_imx95_gasket_ops =3D { + .enable =3D mxc_imx95_gasket_enable, + .disable =3D mxc_imx95_gasket_disable, +}; --=20 2.34.1