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soc: nxp_imx: mimxrt1064_evk: Add I2C support

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I2C1 is routed to J24 Arduino interface (D14/I2C_SDA, D15/I2C_SCL).

Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
This commit is contained in:
Loic Poulain 2019-02-26 16:52:01 +01:00 • committed by Kumar Gala
commit e5609997e0
5 changed files with 35 additions and 0 deletions
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7
boards/arm/mimxrt1064_evk/Kconfig.defconfig
View file

@ -28,6 +28,13 @@ config GPIO_MCUX_IGPIO_5
endif # GPIO_MCUX_IGPIO endif # GPIO_MCUX_IGPIO
if I2C_MCUX_LPI2C
config I2C_1
default y
endif # I2C_MCUX_LPI2C
if UART_MCUX_LPUART if UART_MCUX_LPUART
config UART_MCUX_LPUART_1 config UART_MCUX_LPUART_1

6
boards/arm/mimxrt1064_evk/mimxrt1064_evk.dts
View file

@ -62,6 +62,8 @@
}; };
}; };
arduino_i2c: &i2c1 {};
&lcdif1 { &lcdif1 {
status = "ok"; status = "ok";
port { port {
@ -71,6 +73,10 @@
}; };
}; };
&i2c1 {
status = "ok";
};
&uart1 { &uart1 {
status = "ok"; status = "ok";
current-speed = <115200>; current-speed = <115200>;

1
boards/arm/mimxrt1064_evk/mimxrt1064_evk.yaml
View file

@ -18,3 +18,4 @@ supported:
- display - display
- hwinfo - hwinfo
- netif:eth - netif:eth
- i2c

20
boards/arm/mimxrt1064_evk/pinmux.c
View file

@ -111,6 +111,26 @@ static int mimxrt1064_evk_init(struct device *dev)
GPIO_PinInit(GPIO2, 31, &config); GPIO_PinInit(GPIO2, 31, &config);
#endif #endif
#ifdef CONFIG_I2C_1
/* LPI2C1 SCL, SDA */
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
#ifdef CONFIG_ETH_MCUX_0 #ifdef CONFIG_ETH_MCUX_0
IOMUXC_SetPinMux(IOMUXC_GPIO_AD_B0_09_GPIO1_IO09, 0U); IOMUXC_SetPinMux(IOMUXC_GPIO_AD_B0_09_GPIO1_IO09, 0U);
IOMUXC_SetPinMux(IOMUXC_GPIO_AD_B0_10_GPIO1_IO10, 0U); IOMUXC_SetPinMux(IOMUXC_GPIO_AD_B0_10_GPIO1_IO10, 0U);

1
soc/arm/nxp_imx/rt/Kconfig.soc
View file

@ -120,6 +120,7 @@ config SOC_MIMXRT1064
select HAS_MCUX_ELCDIF select HAS_MCUX_ELCDIF
select HAS_MCUX_ENET select HAS_MCUX_ENET
select HAS_MCUX_IGPIO select HAS_MCUX_IGPIO
select HAS_MCUX_LPI2C
select HAS_MCUX_LPUART select HAS_MCUX_LPUART
select HAS_MCUX_TRNG select HAS_MCUX_TRNG
select CPU_HAS_FPU_DOUBLE_PRECISION select CPU_HAS_FPU_DOUBLE_PRECISION