您好、TI!
我们有一个与 DDR-VTT-EN (P3)相关的 GPIO、我们想将其设置为低默认值。
下面是我在 k3-am654-base-board.dts 和 k3-am654-r5-base-board.dts 中的设置 。 并构建我的 uboot 映像。
但始终无法成功设置。
是否有任何设置不正确? 或者失步了吗?
&wkup_pmx0{
pinctrl-names ="默认";
pinctrl-0 =<&mcuboot_pins_default>;
wkup_i2c0_PINS_DEFAULT:wkup-i2c0-PINS-DEFAULT{
PINCCTRL-SINGLE、PINS =<
AM65X_WKUP_IOPAD (0x00e0、PIN_INPUT、0)/*(AC7) WKUP_I2C0_SCL */
AM65X_WKUP_IOPAD (0x00e4、PIN_INPUT、0)/*(AD6) WKUP_I2C0_SDA */
>;
};
mcu_fss0_ospi0_pins_default:mcu-fss0-ospi0-pins_default{
PINCCTRL-SINGLE、PINS =<
AM65X_WKUP_IOPAD (0x0000、PIN_OUTPUT、0)/*(V1) MCU_OSPI0_CLK */
AM65X_WKUP_IOPAD (0x0008、PIN_INPUT、0)/*(U2) MCU_OSPI0_DQS */
AM65X_WKUP_IOPAD (0x000c、PIN_INPUT、0)/*(U4) MCU_OSPI0_D0 */
AM65X_WKUP_IOPAD (0x0010、PIN_INPUT、0)/*(U5) MCU_OSPI0_D1 */
AM65X_WKUP_IOPAD (0x0014、PIN_INPUT、0)/*(T2) MCU_OSPI0_D2 */
AM65X_WKUP_IOPAD (0x0018、PIN_INPUT、0)/*(T3) MCU_OSPI0_D3 */
AM65X_WKUP_IOPAD (0x001c、PIN_INPUT、0)/*(T4) MCU_OSPI0_D4 */
AM65X_WKUP_IOPAD (0x0020、PIN_INPUT、0)/*(T5) MCU_OSPI0_D5 */
AM65X_WKUP_IOPAD (0x0024、PIN_INPUT、0)/*(R2) MCU_OSPI0_D6 */
AM65X_WKUP_IOPAD (0x0028、PIN_INPUT、0)/*(R3) MCU_OSPI0_D7 */
AM65X_WKUP_IOPAD (0x002c、PIN_OUTPUT、0)/*(R4) MCU_OSPI0_CSn0 */
>;
};
mcuboot_pins_default:mcuboot_pins_default{
PINCCTRL-SINGLE、PINS =<
AM65X_WKUP_IOPAD (0x00B0、PIN_INPUT、7)/*(af4) WKUP_GPIO0_0 *//* MCU-BOOT0*/
AM65X_WKUP_IOPAD (0x00B4、PIN_INPUT、7)/*(AF3) WKUP_GPIO0_1 *//* MCU-BOOT1*/
AM65X_WKUP_IOPAD (0x00B8、PIN_INPUT_PULLDOWN、7)/*(AE3) WKUP_GPIO0_2 *//* MCU-BOOT2*/
AM65X_WKUP_IOPAD (0x00BC、PIN_INPUT_PULLDOWN、7)/*(AD1) WKUP_GPIO0_3 *//* MCU-BOOT3*/
AM65X_WKUP_IOPAD (0x00C0、PIN_INPUT_PULLDOWN、7)/*(AC3) WKUP_GPIO0_4 *//* MCU-BOOT4*/
AM65X_WKUP_IOPAD (0x00D0、PIN_INPUT_PULLDOWN、7)/*(AC5) WKUP_GPIO0_8 *//* MCU-BOOT8*/
AM65X_WKUP_IOPAD (0x00D4、PIN_INPUT、7)/*(AB4) WKUP_GPIO0_9 *//* MCU-BOOT9*/
AM65X_WKUP_IOPAD (0x0098、PIN_INPUT_PULLDOWN、7)/*(Y2)*//* MCU-BOOT5*/
AM65X_WKUP_IOPAD (0x0090、PIN_INPUT_PULLUP、7)/*(Y1)*//* MCU-BOOT6*/
AM65X_WKUP_IOPAD (0x0094、PIN_INPUT_PULLDOWN、7)/*(Y3)*//* MCU-BOOT7*/
AM65X_WKUP_IOPAD (0x0040、PIN_OUTPUT_PULLDOWN、7)/*(P3)*//* DDR-VTT-EN */
>;
u-boot、dm-spl;
};
};
谢谢。
埃里克