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So add compatible string fsl,imx8ulp-mipi-csi2 and increase maxItems of Clocks (clock-names) to 4 from 3. And keep the same restriction for existing compatible. Reviewed-by: Frank Li Acked-by: Conor Dooley Signed-off-by: Guoniu Zhou --- .../bindings/media/nxp,imx8mq-mipi-csi2.yaml | 49 ++++++++++++++++++= +--- 1 file changed, 43 insertions(+), 6 deletions(-) diff --git a/Documentation/devicetree/bindings/media/nxp,imx8mq-mipi-csi2.y= aml b/Documentation/devicetree/bindings/media/nxp,imx8mq-mipi-csi2.yaml index 3389bab266a9adbda313c8ad795b998641df12f3..4fcfc4fd35651e0cd6e80b97cc0= b12301b65b684 100644 --- a/Documentation/devicetree/bindings/media/nxp,imx8mq-mipi-csi2.yaml +++ b/Documentation/devicetree/bindings/media/nxp,imx8mq-mipi-csi2.yaml @@ -20,6 +20,7 @@ properties: - enum: - fsl,imx8mq-mipi-csi2 - fsl,imx8qxp-mipi-csi2 + - fsl,imx8ulp-mipi-csi2 - items: - const: fsl,imx8qm-mipi-csi2 - const: fsl,imx8qxp-mipi-csi2 @@ -39,12 +40,16 @@ properties: clock that the RX DPHY receives. - description: ui is the pixel clock (phy_ref up to 333Mhz). See the reference manual for details. + - description: pclk is clock for csr APB interface. + minItems: 3 =20 clock-names: items: - const: core - const: esc - const: ui + - const: pclk + minItems: 3 =20 power-domains: maxItems: 1 @@ -130,21 +135,53 @@ allOf: compatible: contains: enum: - - fsl,imx8qxp-mipi-csi2 + - fsl,imx8mq-mipi-csi2 + then: + properties: + reg: + maxItems: 1 + resets: + minItems: 3 + clocks: + maxItems: 3 + clock-names: + maxItems: 3 + required: + - fsl,mipi-phy-gpr + + - if: + properties: + compatible: + contains: + const: fsl,imx8qxp-mipi-csi2 then: properties: reg: minItems: 2 resets: maxItems: 1 - else: + clocks: + maxItems: 3 + clock-names: + maxItems: 3 + + - if: + properties: + compatible: + contains: + enum: + - fsl,imx8ulp-mipi-csi2 + then: properties: reg: - maxItems: 1 + minItems: 2 resets: - minItems: 3 - required: - - fsl,mipi-phy-gpr + minItems: 2 + maxItems: 2 + clocks: + minItems: 4 + clock-names: + minItems: 4 =20 additionalProperties: false =20 --=20 2.34.1 From nobody Sun Feb 8 10:43:44 2026 Received: from MRWPR03CU001.outbound.protection.outlook.com (mail-francesouthazon11011068.outbound.protection.outlook.com [40.107.130.68]) (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 4D00C331A7A; 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No functional changes intended. Reviewed-by: Frank Li Signed-off-by: Guoniu Zhou --- drivers/media/platform/nxp/imx8mq-mipi-csi2.c | 57 ++++++++++-------------= ---- 1 file changed, 20 insertions(+), 37 deletions(-) diff --git a/drivers/media/platform/nxp/imx8mq-mipi-csi2.c b/drivers/media/= platform/nxp/imx8mq-mipi-csi2.c index 371b4e81328c107269f89da23818ab0abd0179da..40db2676bade94e8e750381b123= 7fd02aee9d0ed 100644 --- a/drivers/media/platform/nxp/imx8mq-mipi-csi2.c +++ b/drivers/media/platform/nxp/imx8mq-mipi-csi2.c @@ -71,21 +71,6 @@ enum { ST_SUSPENDED =3D 4, }; =20 -enum imx8mq_mipi_csi_clk { - CSI2_CLK_CORE, - CSI2_CLK_ESC, - CSI2_CLK_UI, - CSI2_NUM_CLKS, -}; - -static const char * const imx8mq_mipi_csi_clk_id[CSI2_NUM_CLKS] =3D { - [CSI2_CLK_CORE] =3D "core", - [CSI2_CLK_ESC] =3D "esc", - [CSI2_CLK_UI] =3D "ui", -}; - -#define CSI2_NUM_CLKS ARRAY_SIZE(imx8mq_mipi_csi_clk_id) - struct imx8mq_plat_data { int (*enable)(struct csi_state *state, u32 hs_settle); void (*disable)(struct csi_state *state); @@ -111,7 +96,9 @@ struct csi_state { struct device *dev; const struct imx8mq_plat_data *pdata; void __iomem *regs; - struct clk_bulk_data clks[CSI2_NUM_CLKS]; + struct clk_bulk_data *clks; + struct clk *esc_clk; + u32 num_clks; struct reset_control *rst; struct regulator *mipi_phy_regulator; =20 @@ -384,24 +371,16 @@ static void imx8mq_mipi_csi_set_params(struct csi_sta= te *state) CSI2RX_SEND_LEVEL); } =20 -static int imx8mq_mipi_csi_clk_enable(struct csi_state *state) -{ - return clk_bulk_prepare_enable(CSI2_NUM_CLKS, state->clks); -} - -static void imx8mq_mipi_csi_clk_disable(struct csi_state *state) +static struct clk *find_esc_clk(struct csi_state *state) { - clk_bulk_disable_unprepare(CSI2_NUM_CLKS, state->clks); -} - -static int imx8mq_mipi_csi_clk_get(struct csi_state *state) -{ - unsigned int i; + int i; =20 - for (i =3D 0; i < CSI2_NUM_CLKS; i++) - state->clks[i].id =3D imx8mq_mipi_csi_clk_id[i]; + for (i =3D 0; i < state->num_clks; i++) { + if (!strcmp(state->clks[i].id, "esc")) + return state->clks[i].clk; + } =20 - return devm_clk_bulk_get(state->dev, CSI2_NUM_CLKS, state->clks); + return ERR_PTR(-ENODEV); } =20 static int imx8mq_mipi_csi_calc_hs_settle(struct csi_state *state, @@ -456,7 +435,7 @@ static int imx8mq_mipi_csi_calc_hs_settle(struct csi_st= ate *state, * documentation recommends picking a value away from the boundaries. * Let's pick the average. */ - esc_clk_rate =3D clk_get_rate(state->clks[CSI2_CLK_ESC].clk); + esc_clk_rate =3D clk_get_rate(state->esc_clk); if (!esc_clk_rate) { dev_err(state->dev, "Could not get esc clock rate.\n"); return -EINVAL; @@ -783,7 +762,7 @@ static void imx8mq_mipi_csi_pm_suspend(struct device *d= ev) =20 if (state->state & ST_POWERED) { imx8mq_mipi_csi_stop_stream(state); - imx8mq_mipi_csi_clk_disable(state); + clk_bulk_disable_unprepare(state->num_clks, state->clks); state->state &=3D ~ST_POWERED; } =20 @@ -801,7 +780,7 @@ static int imx8mq_mipi_csi_pm_resume(struct device *dev) =20 if (!(state->state & ST_POWERED)) { state->state |=3D ST_POWERED; - ret =3D imx8mq_mipi_csi_clk_enable(state); + ret =3D clk_bulk_prepare_enable(state->num_clks, state->clks); } if (state->state & ST_STREAMING) { sd_state =3D v4l2_subdev_lock_and_get_active_state(sd); @@ -1027,9 +1006,13 @@ static int imx8mq_mipi_csi_probe(struct platform_dev= ice *pdev) if (IS_ERR(state->regs)) return PTR_ERR(state->regs); =20 - ret =3D imx8mq_mipi_csi_clk_get(state); - if (ret < 0) - return ret; + state->num_clks =3D devm_clk_bulk_get_all(dev, &state->clks); + if (state->num_clks < 0) + return dev_err_probe(dev, state->num_clks, "Failed to get clocks\n"); + + state->esc_clk =3D find_esc_clk(state); + if (IS_ERR(state->esc_clk)) + return dev_err_probe(dev, PTR_ERR(state->esc_clk), "Couldn't find esc cl= ock\n"); =20 platform_set_drvdata(pdev, &state->sd); =20 --=20 2.34.1 From nobody Sun Feb 8 10:43:44 2026 Received: from DU2PR03CU002.outbound.protection.outlook.com (mail-northeuropeazon11011015.outbound.protection.outlook.com [52.101.65.15]) (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 59D8B3161A6; 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Reviewed-by: Frank Li Reviewed-by: Laurent Pinchart Signed-off-by: Guoniu Zhou --- drivers/media/platform/nxp/imx8mq-mipi-csi2.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/drivers/media/platform/nxp/imx8mq-mipi-csi2.c b/drivers/media/= platform/nxp/imx8mq-mipi-csi2.c index 40db2676bade94e8e750381b1237fd02aee9d0ed..05fa17e48fce428e7be95ebffa6= 45c2e6dd0e36a 100644 --- a/drivers/media/platform/nxp/imx8mq-mipi-csi2.c +++ b/drivers/media/platform/nxp/imx8mq-mipi-csi2.c @@ -338,18 +338,14 @@ static int imx8mq_mipi_csi_sw_reset(struct csi_state = *state) { int ret; =20 - /* - * these are most likely self-clearing reset bits. to make it - * more clear, the reset-imx7 driver should implement the - * .reset() operation. - */ ret =3D reset_control_assert(state->rst); if (ret < 0) { dev_err(state->dev, "Failed to assert resets: %d\n", ret); return ret; } =20 - return 0; + /* Explicitly release reset to make sure reset bits are cleared. */ + return reset_control_deassert(state->rst); 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Reviewed-by: Frank Li Reviewed-by: Laurent Pinchart Signed-off-by: Guoniu Zhou --- drivers/media/platform/nxp/imx8mq-mipi-csi2.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/media/platform/nxp/imx8mq-mipi-csi2.c b/drivers/media/= platform/nxp/imx8mq-mipi-csi2.c index 05fa17e48fce428e7be95ebffa645c2e6dd0e36a..f0bcb2baeabf2805f947ba92e53= 66438cc1d5ce9 100644 --- a/drivers/media/platform/nxp/imx8mq-mipi-csi2.c +++ b/drivers/media/platform/nxp/imx8mq-mipi-csi2.c @@ -1074,6 +1074,7 @@ static void imx8mq_mipi_csi_remove(struct platform_de= vice *pdev) static const struct of_device_id imx8mq_mipi_csi_of_match[] =3D { { .compatible =3D "fsl,imx8mq-mipi-csi2", .data =3D &imx8mq_data }, { .compatible =3D "fsl,imx8qxp-mipi-csi2", .data =3D &imx8qxp_data }, + { .compatible =3D "fsl,imx8ulp-mipi-csi2", .data =3D &imx8qxp_data }, { /* sentinel */ }, }; MODULE_DEVICE_TABLE(of, imx8mq_mipi_csi_of_match); --=20 2.34.1 From nobody Sun Feb 8 10:43:44 2026 Received: from AM0PR02CU008.outbound.protection.outlook.com (mail-westeuropeazon11013047.outbound.protection.outlook.com [52.101.72.47]) (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 5F7F9334395; 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Add both the ISI and CSI nodes and mark them as disabled by default since capture is dependent on an attached camera. Reviewed-by: Frank Li Reviewed-by: Laurent Pinchart Signed-off-by: Guoniu Zhou --- arch/arm64/boot/dts/freescale/imx8ulp.dtsi | 67 ++++++++++++++++++++++++++= ++++ 1 file changed, 67 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8ulp.dtsi b/arch/arm64/boot/d= ts/freescale/imx8ulp.dtsi index 13b01f3aa2a4950c37e72e04f6bfb5995dc19178..99271d55dfb60ed2cbfe664d928= be179eb257674 100644 --- a/arch/arm64/boot/dts/freescale/imx8ulp.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8ulp.dtsi @@ -7,6 +7,7 @@ #include #include #include +#include #include =20 #include "imx8ulp-pinfunc.h" @@ -842,6 +843,72 @@ spdif: spdif@2dab0000 { dma-names =3D "rx", "tx"; status =3D "disabled"; }; + + isi: isi@2dac0000 { + compatible =3D "fsl,imx8ulp-isi"; + reg =3D <0x2dac0000 0x10000>; + interrupts =3D ; + clocks =3D <&pcc5 IMX8ULP_CLK_ISI>, + <&cgc2 IMX8ULP_CLK_LPAV_AXI_DIV>; + clock-names =3D "axi", "apb"; + power-domains =3D <&scmi_devpd IMX8ULP_PD_ISI>; + status =3D "disabled"; + + ports { + #address-cells =3D <1>; + #size-cells =3D <0>; + + port@0 { + reg =3D <0>; + isi_in: endpoint { + remote-endpoint =3D <&mipi_csi_out>; + }; + }; + }; + }; + + mipi_csi: csi@2daf0000 { + compatible =3D "fsl,imx8ulp-mipi-csi2"; + reg =3D <0x2daf0000 0x10000>, + <0x2dad0000 0x10000>; + clocks =3D <&pcc5 IMX8ULP_CLK_CSI>, + <&pcc5 IMX8ULP_CLK_CSI_CLK_ESC>, + <&pcc5 IMX8ULP_CLK_CSI_CLK_UI>, + <&pcc5 IMX8ULP_CLK_CSI_REGS>; + clock-names =3D "core", "esc", "ui", "pclk"; + assigned-clocks =3D <&pcc5 IMX8ULP_CLK_CSI>, + <&pcc5 IMX8ULP_CLK_CSI_CLK_ESC>, + <&pcc5 IMX8ULP_CLK_CSI_CLK_UI>, + <&pcc5 IMX8ULP_CLK_CSI_REGS>; + assigned-clock-parents =3D <&cgc2 IMX8ULP_CLK_PLL4_PFD1_DIV1>, + <&cgc2 IMX8ULP_CLK_PLL4_PFD1_DIV2>, + <&cgc2 IMX8ULP_CLK_PLL4_PFD0_DIV1>; + assigned-clock-rates =3D <200000000>, + <80000000>, + <100000000>, + <79200000>; + power-domains =3D <&scmi_devpd IMX8ULP_PD_MIPI_CSI>; + resets =3D <&pcc5 PCC5_CSI_SWRST>, + <&pcc5 PCC5_CSI_REGS_SWRST>; + status =3D "disabled"; + + ports { + #address-cells =3D <1>; + #size-cells =3D <0>; + + port@0 { + reg =3D <0>; + }; + + port@1 { + reg =3D <1>; + + mipi_csi_out: endpoint { + remote-endpoint =3D <&isi_in>; + }; + }; + }; + }; }; =20 gpiod: gpio@2e200000 { --=20 2.34.1