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boards: mimxrt11xx_evk: enable I2C

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Enables LPI2C output on RT1160 and RT1170 EVK.

Signed-off-by: Daniel DeGrasse <daniel.degrasse@nxp.com>
This commit is contained in:
Daniel DeGrasse 2021-11-02 17:31:03 -05:00 • committed by Maureen Helm
commit cb8c995235
11 changed files with 42 additions and 0 deletions
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6
boards/arm/mimxrt1160_evk/doc/index.rst
View file

@ -101,6 +101,8 @@ features:
+-----------+------------+-------------------------------------+
| SPI | on-chip | spi |
+-----------+------------+-------------------------------------+
| I2C | on-chip | i2c |
+-----------+------------+-------------------------------------+
| ADC | on-chip | adc |
+-----------+------------+-------------------------------------+
| CAN | on-chip | flexcan |
@ -142,6 +144,10 @@ The MIMXRT1160 SoC has six pairs of pinmux/gpio controllers.
+---------------+-----------------+---------------------------+
| GPIO_AD_31 | SPI1_SDI | spi |
+---------------+-----------------+---------------------------+
| GPIO_AD_08 | LPI2C1_SCL | i2c |
+---------------+-----------------+---------------------------+
| GPIO_AD_09 | LPI2C1_SDA | i2c |
+---------------+-----------------+---------------------------+
System Clock
============

4
boards/arm/mimxrt1160_evk/mimxrt1160_evk_cm4.dts
View file

@ -32,3 +32,7 @@
status = "okay";
current-speed = <115200>;
};
&lpi2c1 {
status = "okay";
};

1
boards/arm/mimxrt1160_evk/mimxrt1160_evk_cm4.yaml
View file

@ -17,3 +17,4 @@ flash: 128
supported:
- gpio
- uart
- i2c

4
boards/arm/mimxrt1160_evk/mimxrt1160_evk_cm7.dts
View file

@ -38,6 +38,10 @@
bus-speed = <125000>;
};
&lpi2c1 {
status = "okay";
};
&lpspi1 {
status = "okay";
};

1
boards/arm/mimxrt1160_evk/mimxrt1160_evk_cm7.yaml
View file

@ -20,3 +20,4 @@ supported:
- can
- spi
- watchdog
- i2c

10
boards/arm/mimxrt1160_evk/pinmux.c
View file

@ -48,6 +48,16 @@ static int mimxrt1160_evk_init(const struct device *dev)
IOMUXC_SetPinConfig(IOMUXC_GPIO_AD_30_LPSPI1_SOUT, 0x02U);
IOMUXC_SetPinConfig(IOMUXC_GPIO_AD_31_LPSPI1_SIN, 0x02U);
#endif
#if DT_NODE_HAS_STATUS(DT_NODELABEL(lpi2c1), okay) && CONFIG_I2C
/* LPI2C1 SDA, SCL */
IOMUXC_SetPinMux(IOMUXC_GPIO_AD_08_LPI2C1_SCL, 1U);
IOMUXC_SetPinMux(IOMUXC_GPIO_AD_09_LPI2C1_SDA, 1U);
/* Open drain, with software input on */
IOMUXC_SetPinConfig(IOMUXC_GPIO_AD_08_LPI2C1_SCL, 0x10U);
IOMUXC_SetPinConfig(IOMUXC_GPIO_AD_09_LPI2C1_SDA, 0x10U);
#endif
return 0;
}

6
boards/arm/mimxrt1170_evk/doc/index.rst
View file

@ -102,6 +102,8 @@ features:
+-----------+------------+-------------------------------------+
| SPI | on-chip | spi |
+-----------+------------+-------------------------------------+
| I2C | on-chip | i2c |
+-----------+------------+-------------------------------------+
| ADC | on-chip | adc |
+-----------+------------+-------------------------------------+
| UART | on-chip | serial port-polling; |
@ -141,6 +143,10 @@ The MIMXRT1170 SoC has six pairs of pinmux/gpio controllers.
+---------------+-----------------+---------------------------+
| GPIO_AD_31 | SPI1_SDI | spi |
+---------------+-----------------+---------------------------+
| GPIO_AD_08 | LPI2C1_SCL | i2c |
+---------------+-----------------+---------------------------+
| GPIO_AD_09 | LPI2C1_SDA | i2c |
+---------------+-----------------+---------------------------+
System Clock

4
boards/arm/mimxrt1170_evk/mimxrt1170_evk_cm4.dts
View file

@ -32,3 +32,7 @@
status = "okay";
current-speed = <115200>;
};
&lpi2c1 {
status = "okay";
};

1
boards/arm/mimxrt1170_evk/mimxrt1170_evk_cm4.yaml
View file

@ -16,3 +16,4 @@ ram: 128
flash: 128
supported:
- gpio
- i2c

4
boards/arm/mimxrt1170_evk/mimxrt1170_evk_cm7.dts
View file

@ -42,6 +42,10 @@
status = "okay";
};
&lpi2c1 {
status = "okay";
};
&flexspi1 {
reg = <0x400cc000 0x4000>, <0x30000000 DT_SIZE_M(16)>;
is25wp128: is25wp128@0 {

1
boards/arm/mimxrt1170_evk/mimxrt1170_evk_cm7.yaml
View file

@ -20,3 +20,4 @@ supported:
- can
- spi
- adc
- i2c