i.MX7 and i.MX6UL/L have the same CSI controller. So add i.MX6UL/L support to imx7-media-csi driver.
Signed-off-by: Sébastien Szymanski <sebastien.szyman...@armadeus.com> --- Changes for v3: - rebase on Linux v5.3-rc2 - remove csi_soc_id var as it's not needed anymore thanks to commit e0c76a7d3428 ("media: imx7-media-csi: get csi upstream endpoint") Changes for v2: - rebase on top of linuxtv/master - mention i.MX6UL/L in header and Kconfig help text - rename csi_type to csi_soc_id drivers/staging/media/imx/Kconfig | 4 +-- drivers/staging/media/imx/imx7-media-csi.c | 30 +++++++++++++++------- 2 files changed, 23 insertions(+), 11 deletions(-) diff --git a/drivers/staging/media/imx/Kconfig b/drivers/staging/media/imx/Kconfig index 4c726345dc25..f51476243016 100644 --- a/drivers/staging/media/imx/Kconfig +++ b/drivers/staging/media/imx/Kconfig @@ -22,11 +22,11 @@ config VIDEO_IMX_CSI A video4linux camera sensor interface driver for i.MX5/6. config VIDEO_IMX7_CSI - tristate "i.MX7 Camera Sensor Interface driver" + tristate "i.MX6UL/L / i.MX7 Camera Sensor Interface driver" depends on VIDEO_IMX_MEDIA && VIDEO_DEV && I2C default y help Enable support for video4linux camera sensor interface driver for - i.MX7. + i.MX6UL/L or i.MX7. endmenu endif diff --git a/drivers/staging/media/imx/imx7-media-csi.c b/drivers/staging/media/imx/imx7-media-csi.c index 500b4c08d967..4ca79ff4c9b3 100644 --- a/drivers/staging/media/imx/imx7-media-csi.c +++ b/drivers/staging/media/imx/imx7-media-csi.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 /* - * V4L2 Capture CSI Subdev for Freescale i.MX7 SOC + * V4L2 Capture CSI Subdev for Freescale i.MX6UL/L / i.MX7 SOC * * Copyright (c) 2019 Linaro Ltd * @@ -765,6 +765,7 @@ static int imx7_csi_configure(struct imx7_csi *csi) struct v4l2_pix_format *out_pix = &vdev->fmt.fmt.pix; __u32 in_code = csi->format_mbus[IMX7_CSI_PAD_SINK].code; u32 cr1, cr18; + int width = out_pix->width; if (out_pix->field == V4L2_FIELD_INTERLACED) { imx7_csi_deinterlace_enable(csi, true); @@ -774,15 +775,27 @@ static int imx7_csi_configure(struct imx7_csi *csi) imx7_csi_buf_stride_set(csi, 0); } - imx7_csi_set_imagpara(csi, out_pix->width, out_pix->height); + cr18 = imx7_csi_reg_read(csi, CSI_CSICR18); + + if (!csi->is_csi2) { + if (out_pix->pixelformat == V4L2_PIX_FMT_UYVY || + out_pix->pixelformat == V4L2_PIX_FMT_YUYV) + width *= 2; + + imx7_csi_set_imagpara(csi, width, out_pix->height); + + cr18 |= (BIT_BASEADDR_SWITCH_EN | BIT_BASEADDR_SWITCH_SEL | + BIT_BASEADDR_CHG_ERR_EN); + imx7_csi_reg_write(csi, cr18, CSI_CSICR18); - if (!csi->is_csi2) return 0; + } + + imx7_csi_set_imagpara(csi, width, out_pix->height); cr1 = imx7_csi_reg_read(csi, CSI_CSICR1); cr1 &= ~BIT_GCLK_MODE; - cr18 = imx7_csi_reg_read(csi, CSI_CSICR18); cr18 &= BIT_MIPI_DATA_FORMAT_MASK; cr18 |= BIT_DATA_FROM_MIPI; @@ -817,11 +830,9 @@ static void imx7_csi_enable(struct imx7_csi *csi) { imx7_csi_sw_reset(csi); - if (csi->is_csi2) { - imx7_csi_dmareq_rff_enable(csi); - imx7_csi_hw_enable_irq(csi); - imx7_csi_hw_enable(csi); - } + imx7_csi_dmareq_rff_enable(csi); + imx7_csi_hw_enable_irq(csi); + imx7_csi_hw_enable(csi); } static void imx7_csi_disable(struct imx7_csi *csi) @@ -1302,6 +1313,7 @@ static int imx7_csi_remove(struct platform_device *pdev) static const struct of_device_id imx7_csi_of_match[] = { { .compatible = "fsl,imx7-csi" }, + { .compatible = "fsl,imx6ul-csi" }, { }, }; MODULE_DEVICE_TABLE(of, imx7_csi_of_match); -- 2.21.0 _______________________________________________ devel mailing list de...@linuxdriverproject.org http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel