Hi Ti
I want to setting the GPIO0_35 to output low in MCU2_0, I have tried to add some GPIO code, but it was not working.
diff --git a/utils/board/src/j784s4/board_j784s4_evm.c b/utils/board/src/j784s4/board_j784s4_evm.c
old mode 100644
new mode 100755
index a6f846d..aac5374
--- a/utils/board/src/j784s4/board_j784s4_evm.c
+++ b/utils/board/src/j784s4/board_j784s4_evm.c
@@ -47,6 +47,9 @@
#include <ti/drv/enet/enet.h>
#include <ti/drv/enet/examples/utils/include/enet_apputils.h>
+#include <ti/drv/gpio/GPIO.h>
+#include <ti/drv/gpio/soc/GPIO_soc.h>
+
#include <ti/board/board.h>
#include <ti/board/src/j784s4_evm/include/board_cfg.h>
#include <ti/board/src/j784s4_evm/include/board_pinmux.h>
@@ -170,6 +173,29 @@ static EthFwBoard_Obj gEthFwBoard;
extern pinmuxBoardCfg_t gEthFwPinmuxData[];
+/* GPIO Driver board specific pin configuration structure */
+GPIO_PinConfig gEthFw_gpioPinCfgs[] =
+{
+ GPIO_DEVICE_CONFIG(0, 35) | GPIO_CFG_OUT_LOW,
+};
+
+/* GPIO Driver callback functions */
+GPIO_CallbackFxn gEthFw_gpioCbFunctions[] =
+{
+ NULL
+};
+
+/* GPIO Driver configuration structure */
+GPIO_v0_Config GPIO_v0_config =
+{
+ gEthFw_gpioPinCfgs,
+ gEthFw_gpioCbFunctions,
+ sizeof(gEthFw_gpioPinCfgs) / sizeof(GPIO_PinConfig),
+ sizeof(gEthFw_gpioCbFunctions) / sizeof(GPIO_CallbackFxn),
+ 0,
+};
+
@@ -326,6 +352,11 @@ int32_t EthFwBoard_init(uint32_t flags)
/* Detect expansion boards attached to main board (CPB) */
EthFwBoard_detectDBs();
+
+ /*Configure desay PHY reset*/
+ GPIO_init();
+ GPIO_write(0, 0);// GPIO35 LOW
+
if (!gEthFwBoard.qenetDetected)
{
appLogPrintf("Quad-Port Eth expansion board not detected\n");
@@ -615,3 +646,4 @@ static uint32_t EthFwBoard_getMacAddrPoolStatic(uint8_t macAddr[][ENET_MAC_ADDR_
return allocCnt;
+
