michaelh/zephyr
1
0
Fork 0
Code Releases Activity

board: arm: Add board support for mimxrt1020_evk

Browse source 
Add board support files for mimxrt1020_evk, the development board for
i.MXRT1021 (CM7) SoC.

- Add pinmux, dts, doc.
- Code can be loaded to SRAM.
- Tested samples: hello_world, philosophers, synchronization,
basic/blinky, and basic/button.

Signed-off-by: Ryan QIAN <jianghao.qian@nxp.com>
This commit is contained in:
Ryan QIAN 2019-01-02 08:47:02 +08:00 • committed by Maureen Helm
commit d5e56036f2
11 changed files with 412 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

47
boards/arm/mimxrt1020_evk/pinmux.c Normal file
View file

@ -0,0 +1,47 @@
/*
* Copyright (c) 2018, NXP
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <init.h>
#include <fsl_iomuxc.h>
static int mimxrt1020_evk_init(struct device *dev)
{
ARG_UNUSED(dev);
CLOCK_EnableClock(kCLOCK_Iomuxc);
CLOCK_EnableClock(kCLOCK_IomuxcSnvs);
/* LED */
IOMUXC_SetPinMux(IOMUXC_GPIO_AD_B0_05_GPIO1_IO05, 0);
IOMUXC_SetPinConfig(IOMUXC_GPIO_AD_B0_05_GPIO1_IO05,
IOMUXC_SW_PAD_CTL_PAD_PKE_MASK |
IOMUXC_SW_PAD_CTL_PAD_SPEED(2) |
IOMUXC_SW_PAD_CTL_PAD_DSE(6));
/* SW0 */
IOMUXC_SetPinMux(IOMUXC_SNVS_WAKEUP_GPIO5_IO00, 0);
#ifdef CONFIG_UART_MCUX_LPUART_1
/* LPUART1 TX/RX */
IOMUXC_SetPinMux(IOMUXC_GPIO_AD_B0_06_LPUART1_TX, 0);
IOMUXC_SetPinMux(IOMUXC_GPIO_AD_B0_07_LPUART1_RX, 0);
IOMUXC_SetPinConfig(IOMUXC_GPIO_AD_B0_06_LPUART1_TX,
IOMUXC_SW_PAD_CTL_PAD_PKE_MASK |
IOMUXC_SW_PAD_CTL_PAD_SPEED(2) |
IOMUXC_SW_PAD_CTL_PAD_DSE(6));
IOMUXC_SetPinConfig(IOMUXC_GPIO_AD_B0_07_LPUART1_RX,
IOMUXC_SW_PAD_CTL_PAD_PKE_MASK |
IOMUXC_SW_PAD_CTL_PAD_SPEED(2) |
IOMUXC_SW_PAD_CTL_PAD_DSE(6));
#endif
return 0;
}
SYS_INIT(mimxrt1020_evk_init, PRE_KERNEL_1, 0);