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drivers: video: ov7725: add sensor driver for ov7725 #30744

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merged 4 commits into from Jan 6, 2021
Merged

drivers: video: ov7725: add sensor driver for ov7725 #30744

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6af60d2
drivers: video: ov7725: add sensor driver for ov7725
lgl88911 Dec 17, 2020
11e3a7c
boards: mm_swiftio: modify to follow code style
lgl88911 Dec 18, 2020
ef76651
boards: mm_swiftio: add camera support
lgl88911 Dec 18, 2020
b812b33
samples: video: Add OV7725 video capture sample
lgl88911 Dec 18, 2020
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26 changes: 26 additions & 0 deletions boards/arm/mm_swiftio/mm_swiftio.dts
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Expand Up @@ -95,6 +95,21 @@

&lpi2c3 {
status = "okay";

ov7725@21 {
compatible = "ovti,ov7725";
reg = <0x21>;
label = "OV7725";
status = "okay";

reset-gpios = <&gpio2 20 GPIO_ACTIVE_HIGH>;

port {
ov7725_ep_out: endpoint {
remote-endpoint = <&csi_ep_in>;
};
};
};
};

&lpspi3 {
Expand Down Expand Up @@ -155,3 +170,14 @@
status = "okay";
cd-gpios = <&gpio2 28 GPIO_ACTIVE_LOW>;
};

&csi {
status = "okay";
sensor-label = "OV7725";

port {
csi_ep_in: endpoint {
remote-endpoint = <&ov7725_ep_out>;
};
};
};
134 changes: 86 additions & 48 deletions boards/arm/mm_swiftio/pinmux.c
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Expand Up @@ -20,30 +20,30 @@ static gpio_pin_config_t enet_gpio_config = {
#if DT_NODE_HAS_STATUS(DT_NODELABEL(usdhc1), okay) && CONFIG_DISK_ACCESS_USDHC1

/*Drive Strength Field: R0(260 Ohm @ 3.3V, 150 Ohm@1.8V, 240 Ohm for DDR)
*Speed Field: medium(100MHz)
*Open Drain Enable Field: Open Drain Disabled
*Pull / Keep Enable Field: Pull/Keeper Enabled
*Pull / Keep Select Field: Pull
*Pull Up / Down Config. Field: 47K Ohm Pull Up
*Hyst. Enable Field: Hysteresis Enabled.
* Speed Field: medium(100MHz)
* Open Drain Enable Field: Open Drain Disabled
* Pull / Keep Enable Field: Pull/Keeper Enabled
* Pull / Keep Select Field: Pull
* Pull Up / Down Config. Field: 47K Ohm Pull Up
* Hyst. Enable Field: Hysteresis Enabled.
*/

static void mm_swiftio_usdhc_pinmux(
uint16_t nusdhc, bool init,
uint32_t speed, uint32_t strength)
{
uint32_t cmd_data = IOMUXC_SW_PAD_CTL_PAD_SPEED(speed) |
IOMUXC_SW_PAD_CTL_PAD_SRE_MASK |
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IOMUXC_SW_PAD_CTL_PAD_PKE_MASK |
IOMUXC_SW_PAD_CTL_PAD_PUE_MASK |
IOMUXC_SW_PAD_CTL_PAD_HYS_MASK |
IOMUXC_SW_PAD_CTL_PAD_PUS(1) |
IOMUXC_SW_PAD_CTL_PAD_DSE(strength);
IOMUXC_SW_PAD_CTL_PAD_SRE_MASK |
IOMUXC_SW_PAD_CTL_PAD_PKE_MASK |
IOMUXC_SW_PAD_CTL_PAD_PUE_MASK |
IOMUXC_SW_PAD_CTL_PAD_HYS_MASK |
IOMUXC_SW_PAD_CTL_PAD_PUS(1) |
IOMUXC_SW_PAD_CTL_PAD_DSE(strength);
uint32_t clk = IOMUXC_SW_PAD_CTL_PAD_SPEED(speed) |
IOMUXC_SW_PAD_CTL_PAD_SRE_MASK |
IOMUXC_SW_PAD_CTL_PAD_HYS_MASK |
IOMUXC_SW_PAD_CTL_PAD_PUS(0) |
IOMUXC_SW_PAD_CTL_PAD_DSE(strength);
IOMUXC_SW_PAD_CTL_PAD_SRE_MASK |
IOMUXC_SW_PAD_CTL_PAD_HYS_MASK |
IOMUXC_SW_PAD_CTL_PAD_PUS(0) |
IOMUXC_SW_PAD_CTL_PAD_DSE(strength);

if (nusdhc == 0) {
if (init) {
Expand Down Expand Up @@ -87,17 +87,17 @@ static void mm_swiftio_usdhc_pinmux(
}

IOMUXC_SetPinConfig(IOMUXC_GPIO_SD_B0_00_USDHC1_CMD,
cmd_data);
cmd_data);
IOMUXC_SetPinConfig(IOMUXC_GPIO_SD_B0_01_USDHC1_CLK,
clk);
clk);
IOMUXC_SetPinConfig(IOMUXC_GPIO_SD_B0_02_USDHC1_DATA0,
cmd_data);
cmd_data);
IOMUXC_SetPinConfig(IOMUXC_GPIO_SD_B0_03_USDHC1_DATA1,
cmd_data);
cmd_data);
IOMUXC_SetPinConfig(IOMUXC_GPIO_SD_B0_04_USDHC1_DATA2,
cmd_data);
cmd_data);
IOMUXC_SetPinConfig(IOMUXC_GPIO_SD_B0_05_USDHC1_DATA3,
cmd_data);
cmd_data);
}
}
#endif
Expand Down Expand Up @@ -150,48 +150,86 @@ static int mm_swiftio_init(const struct device *dev)
#endif

#if DT_NODE_HAS_STATUS(DT_NODELABEL(lpi2c1), okay) && CONFIG_I2C
IOMUXC_SetPinMux(IOMUXC_GPIO_AD_B1_00_LPI2C1_SCL, 1);
IOMUXC_SetPinMux(IOMUXC_GPIO_AD_B1_01_LPI2C1_SDA, 1);

IOMUXC_SetPinConfig(IOMUXC_GPIO_AD_B1_00_LPI2C1_SCL,
IOMUXC_SW_PAD_CTL_PAD_PUS(3) |
IOMUXC_SW_PAD_CTL_PAD_PKE_MASK |
IOMUXC_SW_PAD_CTL_PAD_ODE_MASK |
IOMUXC_SW_PAD_CTL_PAD_SPEED(2) |
IOMUXC_SW_PAD_CTL_PAD_DSE(6));

IOMUXC_SetPinConfig(IOMUXC_GPIO_AD_B1_01_LPI2C1_SDA,
IOMUXC_SW_PAD_CTL_PAD_PUS(3) |
IOMUXC_SW_PAD_CTL_PAD_PKE_MASK |
IOMUXC_SW_PAD_CTL_PAD_ODE_MASK |
IOMUXC_SW_PAD_CTL_PAD_SPEED(2) |
IOMUXC_SW_PAD_CTL_PAD_DSE(6));
IOMUXC_SetPinMux(IOMUXC_GPIO_AD_B1_00_LPI2C1_SCL, 1);
IOMUXC_SetPinMux(IOMUXC_GPIO_AD_B1_01_LPI2C1_SDA, 1);

IOMUXC_SetPinConfig(IOMUXC_GPIO_AD_B1_00_LPI2C1_SCL,
IOMUXC_SW_PAD_CTL_PAD_PUS(3) |
IOMUXC_SW_PAD_CTL_PAD_PKE_MASK |
IOMUXC_SW_PAD_CTL_PAD_ODE_MASK |
IOMUXC_SW_PAD_CTL_PAD_SPEED(2) |
IOMUXC_SW_PAD_CTL_PAD_DSE(6));

IOMUXC_SetPinConfig(IOMUXC_GPIO_AD_B1_01_LPI2C1_SDA,
IOMUXC_SW_PAD_CTL_PAD_PUS(3) |
IOMUXC_SW_PAD_CTL_PAD_PKE_MASK |
IOMUXC_SW_PAD_CTL_PAD_ODE_MASK |
IOMUXC_SW_PAD_CTL_PAD_SPEED(2) |
IOMUXC_SW_PAD_CTL_PAD_DSE(6));
#endif

#if DT_NODE_HAS_STATUS(DT_NODELABEL(lpi2c3), okay) && CONFIG_I2C
IOMUXC_SetPinMux(IOMUXC_GPIO_AD_B1_07_LPI2C3_SCL, 1);
IOMUXC_SetPinMux(IOMUXC_GPIO_AD_B1_06_LPI2C3_SDA, 1);

IOMUXC_SetPinConfig(IOMUXC_GPIO_AD_B1_07_LPI2C3_SCL,
IOMUXC_SW_PAD_CTL_PAD_PUS(3) |
IOMUXC_SW_PAD_CTL_PAD_PKE_MASK |
IOMUXC_SW_PAD_CTL_PAD_ODE_MASK |
IOMUXC_SW_PAD_CTL_PAD_SPEED(2) |
IOMUXC_SW_PAD_CTL_PAD_DSE(6));
IOMUXC_SW_PAD_CTL_PAD_PUS(3) |
IOMUXC_SW_PAD_CTL_PAD_PKE_MASK |
IOMUXC_SW_PAD_CTL_PAD_ODE_MASK |
IOMUXC_SW_PAD_CTL_PAD_SPEED(2) |
IOMUXC_SW_PAD_CTL_PAD_DSE(6));

IOMUXC_SetPinConfig(IOMUXC_GPIO_AD_B1_06_LPI2C3_SDA,
IOMUXC_SW_PAD_CTL_PAD_PUS(3) |
IOMUXC_SW_PAD_CTL_PAD_PKE_MASK |
IOMUXC_SW_PAD_CTL_PAD_ODE_MASK |
IOMUXC_SW_PAD_CTL_PAD_SPEED(2) |
IOMUXC_SW_PAD_CTL_PAD_DSE(6));
IOMUXC_SW_PAD_CTL_PAD_PUS(3) |
IOMUXC_SW_PAD_CTL_PAD_PKE_MASK |
IOMUXC_SW_PAD_CTL_PAD_ODE_MASK |
IOMUXC_SW_PAD_CTL_PAD_SPEED(2) |
IOMUXC_SW_PAD_CTL_PAD_DSE(6));
#endif

#if DT_NODE_HAS_STATUS(DT_NODELABEL(usdhc1), okay) && CONFIG_DISK_ACCESS_USDHC1
mm_swiftio_usdhc_pinmux(0, true, 2, 1);
imxrt_usdhc_pinmux_cb_register(mm_swiftio_usdhc_pinmux);
#endif

#if DT_NODE_HAS_STATUS(DT_NODELABEL(csi), okay) && CONFIG_VIDEO
IOMUXC_SetPinMux(
IOMUXC_GPIO_AD_B1_04_CSI_PIXCLK,
0U);
IOMUXC_SetPinMux(
IOMUXC_GPIO_AD_B1_05_CSI_MCLK,
0U);
IOMUXC_SetPinMux(
IOMUXC_GPIO_AD_B0_14_CSI_VSYNC,
0U);
IOMUXC_SetPinMux(
IOMUXC_GPIO_AD_B0_15_CSI_HSYNC,
0U);
IOMUXC_SetPinMux(
IOMUXC_GPIO_AD_B1_08_CSI_DATA09,
0U);
IOMUXC_SetPinMux(
IOMUXC_GPIO_AD_B1_09_CSI_DATA08,
0U);
IOMUXC_SetPinMux(
IOMUXC_GPIO_AD_B1_10_CSI_DATA07,
0U);
IOMUXC_SetPinMux(
IOMUXC_GPIO_AD_B1_11_CSI_DATA06,
0U);
IOMUXC_SetPinMux(
IOMUXC_GPIO_AD_B1_12_CSI_DATA05,
0U);
IOMUXC_SetPinMux(
IOMUXC_GPIO_AD_B1_13_CSI_DATA04,
0U);
IOMUXC_SetPinMux(
IOMUXC_GPIO_AD_B1_14_CSI_DATA03,
0U);
IOMUXC_SetPinMux(
IOMUXC_GPIO_AD_B1_15_CSI_DATA02,
0U);
#endif
return 0;
}

Expand Down
1 change: 1 addition & 0 deletions drivers/video/CMakeLists.txt
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Expand Up @@ -7,3 +7,4 @@ zephyr_library_sources(video_common.c)
zephyr_library_sources_ifdef(CONFIG_VIDEO_MCUX_CSI video_mcux_csi.c)
zephyr_library_sources_ifdef(CONFIG_VIDEO_SW_GENERATOR video_sw_generator.c)
zephyr_library_sources_ifdef(CONFIG_VIDEO_MT9M114 mt9m114.c)
zephyr_library_sources_ifdef(CONFIG_VIDEO_OV7725 ov7725.c)
2 changes: 2 additions & 0 deletions drivers/video/Kconfig
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Expand Up @@ -37,4 +37,6 @@ source "drivers/video/Kconfig.sw_generator"

source "drivers/video/Kconfig.mt9m114"

source "drivers/video/Kconfig.ov7725"

endif # VIDEO
10 changes: 10 additions & 0 deletions drivers/video/Kconfig.ov7725
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@@ -0,0 +1,10 @@
# OV7725

# Copyright (c) 2020 FrankLi Limited
# SPDX-License-Identifier: Apache-2.0

config VIDEO_OV7725
bool "OV7725 CMOS digital image sensor"
depends on I2C
help
Enable driver for OV7725 CMOS digital image sensor device.