michaelh/zephyr
1
0
Fork 0
Code Releases Activity

ext/hal/nxp/imx: Add all UARTs clock frequency information

Browse source 
Adds support for retrieving all possible UARTs clock.

Signed-off-by: Diego Sueiro <diego.sueiro@gmail.com>
This commit is contained in:
Diego Sueiro 2018-08-03 14:11:59 +01:00 • committed by Maureen Helm
commit 636d5451a0
1 changed files with 24 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

24
ext/hal/nxp/imx/devices/MCIMX7D/clock_freq.c
View file

@ -213,10 +213,34 @@ uint32_t get_uart_clock_freq(UART_Type *base)
uint32_t pre, post;
switch ((uint32_t)base) {
case UART1_BASE:
root = CCM_GetRootMux(CCM, ccmRootUart1);
CCM_GetRootDivider(CCM, ccmRootUart1, &pre, &post);
break;
case UART2_BASE:
root = CCM_GetRootMux(CCM, ccmRootUart2);
CCM_GetRootDivider(CCM, ccmRootUart2, &pre, &post);
break;
case UART3_BASE:
root = CCM_GetRootMux(CCM, ccmRootUart3);
CCM_GetRootDivider(CCM, ccmRootUart3, &pre, &post);
break;
case UART4_BASE:
root = CCM_GetRootMux(CCM, ccmRootUart4);
CCM_GetRootDivider(CCM, ccmRootUart4, &pre, &post);
break;
case UART5_BASE:
root = CCM_GetRootMux(CCM, ccmRootUart5);
CCM_GetRootDivider(CCM, ccmRootUart5, &pre, &post);
break;
case UART6_BASE:
root = CCM_GetRootMux(CCM, ccmRootUart6);
CCM_GetRootDivider(CCM, ccmRootUart6, &pre, &post);
break;
case UART7_BASE:
root = CCM_GetRootMux(CCM, ccmRootUart7);
CCM_GetRootDivider(CCM, ccmRootUart7, &pre, &post);
break;
default:
return 0;
}