懷疑設備樹引腳沖突，導致申請其中的一個引腳失敗 return -2 ，請問如何檢查沖突？這是我檢查到的沖突引腳，已屏蔽，但是還是不行。
pinctrl_fsio: fsio {
fsl,pins = <
MX6UL_PAD_CSI_DATA00__GPIO4_IO21 0x000110a1 /*/IO I1*/
MX6UL_PAD_CSI_DATA02__GPIO4_IO23 0x000110a1
MX6UL_PAD_CSI_DATA04__GPIO4_IO25 0x000110a1
MX6UL_PAD_CSI_DATA06__GPIO4_IO27 0x000110a1 /*/IO I4*/
/*MX6UL_PAD_GPIO1_IO04__GPIO1_IO04 0x000110a1 /*IO O1*/
MX6UL_PAD_GPIO1_IO02__GPIO1_IO02 0x000110a1
MX6UL_PAD_GPIO1_IO00__GPIO1_IO00 0x000110a1
MX6UL_PAD_GPIO1_IO08__GPIO1_IO08 0x000110a1 /*/IO O4*/
MX6UL_PAD_GPIO1_IO09__GPIO1_IO09 0x000110a1 /*/IO FB O1*/ /*與SD1 RESET 沖突，已被屏蔽，注意！*/
reg_sd1_vmmc: regulator@1 {
compatible = "regulator-fixed";
regulator-name = "VSD_3V3";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
/*gpio = <&gpio1 9 GPIO_ACTIVE_HIGH>;*/
off-on-delay = <20000>;
enable-active-high;
};
pinctrl_hog_1: hoggrp-1 {
fsl,pins = <
MX6UL_PAD_UART1_RTS_B__GPIO1_IO190x17059 /* SD1 CD */
MX6UL_PAD_GPIO1_IO05__USDHC1_VSELECT0x17059 /* SD1 VSELECT */
/*MX6UL_PAD_GPIO1_IO09__GPIO1_IO09 0x17059 /* SD1 RESET */
>;
};
reg_sd1_vmmc: regulator@1 {
compatible = "regulator-fixed";
regulator-name = "VSD_3V3";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
/*gpio = <&gpio1 9 GPIO_ACTIVE_HIGH>;*/
off-on-delay = <20000>;
enable-active-high;
};
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