uboot:dts: add pull-up for SAI1_TXD1 and tidy up other boot pin configs

arch/arm/dts/kuk-trizeps8mini.dts

@@ -41,12 +41,17 @@
 	imx8mm-evk {
 		pinctrl_hog_1: hoggrp-1 {
 			fsl,pins = <
-				MX8MM_IOMUXC_GPIO1_IO08_GPIO1_IO8	    0x19
-				MX8MM_IOMUXC_NAND_CLE_GPIO3_IO5         0x80000000
-				MX8MM_IOMUXC_SAI1_TXD6_GPIO4_IO18	    0x00000016      // Fast Boot button on PConXs
+				MX8MM_IOMUXC_GPIO1_IO08_GPIO1_IO8	    0x00000019		// ???
+
+				MX8MM_IOMUXC_SAI1_TXD1_GPIO4_IO13		0x00000146		// PFID detection pin for SOMs, pull-up required
+
+				MX8MM_IOMUXC_NAND_CLE_GPIO3_IO5         0x80000000		// Tanaro Fast Boot button, no special config required (?)
+
+				MX8MM_IOMUXC_SAI1_TXD6_GPIO4_IO18	    0x00000016      // Fast Boot button on PConXs (no special config required)
+
+				MX8MM_IOMUXC_NAND_WP_B_GPIO3_IO18	    0x00000016   	// DEBUG_CABLE in pbb, No Pulldown, has external pulldown on pbb
 				MX8MM_IOMUXC_SAI1_RXD7_GPIO4_IO9	    0x00000156      // SW bootselect on PBB, requires pull up
-				MX8MM_IOMUXC_NAND_WP_B_GPIO3_IO18	    0x00000016   // DEBUG_CABLE in pbb, No Pulldown, has external pulldown on pbb
-				MX8MM_IOMUXC_SAI2_RXC_GPIO4_IO22	    0x00000116  // UART1_TXEN on PBB, Pulldown to keep RS485 disabled on pbb during boot
+				MX8MM_IOMUXC_SAI2_RXC_GPIO4_IO22	    0x00000116  	// UART1_TXEN on PBB, Pulldown to keep RS485 disabled on pbb during boot
 			>;
 		};
 

arch/arm/dts/kuk-trizeps8plus.dts

@@ -25,9 +25,15 @@
 
 	pinctrl_hog_1: hoggrp-1 {
 		fsl,pins = <
-			MX8MP_IOMUXC_SAI5_RXD2__GPIO3_IO23	    0x00000016   // DEBUG_CABLE on pbb for Plus, No Pulldown, has external pulldown on pbb
-			MX8MP_IOMUXC_SAI1_RXD7__GPIO4_IO09	    0x00000156   // SW bootselect on PBB, requires pull up
-			MX8MP_IOMUXC_SAI2_RXC__GPIO4_IO22	    0x00000116   // UART1_TXEN on PBB, Pulldown to keep RS485 disabled on pbb during boot
+			MX8MP_IOMUXC_SAI1_TXD1__GPIO4_IO13		0x00000146		// PFID detection pin for SOMs, pull-up required
+
+			MX8MP_IOMUXC_SAI1_TXD6__GPIO4_IO18	    0x00000016      // Fast Boot button on PConXs (no special config required)
+
+			MX8MP_IOMUXC_SAI1_RXD7__GPIO4_IO09		0x00000146		// SW bootselect on DualEspresso, requires pull up
+
+			MX8MP_IOMUXC_SAI5_RXD2__GPIO3_IO23	    0x00000016 		// DEBUG_CABLE on pbb for Plus, No Pulldown, has external pulldown on pbb
+			MX8MP_IOMUXC_SAI1_RXD7__GPIO4_IO09	    0x00000156  	// SW bootselect on PBB, requires pull up
+			MX8MP_IOMUXC_SAI2_RXC__GPIO4_IO22	    0x00000116  	// UART1_TXEN on PBB, Pulldown to keep RS485 disabled on pbb during boot
 		>;
 	};
 
@@ -228,14 +234,6 @@
 			MX8MP_IOMUXC_GPIO1_IO02__WDOG1_WDOG_B	0xc6
 		>;
 	};
-
-	pinctrl_bootselect: bootselectgrp {
-		fsl,pins = <
-			MX8MP_IOMUXC_SAI1_RXD7__GPIO4_IO09	0x00000146
-			MX8MP_IOMUXC_SAI1_TXD0__GPIO4_IO12	0x00000106
-			MX8MP_IOMUXC_SAI1_TXD1__GPIO4_IO13	0x00000106
-		>;
-	};
 };
 
 &i2c1 {
@@ -469,8 +467,3 @@
 	status = "okay";
 };
 
-&gpio4 {
-	pinctrl-names = "default";
-	pinctrl-0 = <&pinctrl_bootselect>;
-};
-