Hi Ti,
We have a GPIO related to DDR-VTT-EN(P3), and we want to set it low default.
Below is my setting in k3-am654-base-board.dts and k3-am654-r5-base-board.dts. And build my uboot image.
But it always cannot set it successfully.
Is there any setting not correct here? Or any step lost?
&wkup_pmx0 {
pinctrl-names = "default";
pinctrl-0 = <&mcuboot_pins_default>;
wkup_i2c0_pins_default: wkup-i2c0-pins-default {
pinctrl-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 {
pinctrl-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 {
pinctrl-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_PULLDOWN, 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;
};
};
Thanks.
Eric
