simple-audio-card,format = "i2s";
                simple-audio-card,bitclock-master = <&dailink_master>;
                simple-audio-card,frame-master = <&dailink_master>;
+
                simple-audio-card,cpu {
                        sound-dai = <&sai1>;
                };
        };
 };
 
+/* Colibri AD0 to AD3 */
 &adc1 {
        vref-supply = <®_DCDC3>;
 };
        cpu-supply = <®_DCDC2>;
 };
 
+/* Colibri SSP */
 &ecspi3 {
        pinctrl-names = "default";
        pinctrl-0 = <&pinctrl_ecspi3 &pinctrl_ecspi3_cs>;
-       cs-gpios = <&gpio4 11 GPIO_ACTIVE_LOW>;
+       cs-gpios = <&gpio4 11 GPIO_ACTIVE_LOW>; /* SODIMM 86 / SSPFRM */
 };
 
+/* Colibri Fast Ethernet */
 &fec1 {
        assigned-clock-parents = <&clks IMX7D_PLL_ENET_MAIN_100M_CLK>;
        assigned-clock-rates = <0>, <100000000>;
                #address-cells = <1>;
                #size-cells = <0>;
 
+               /* Micrel KSZ8041RNL */
                ethphy0: ethernet-phy@0 {
                        compatible = "ethernet-phy-ieee802.3-c22";
                        max-speed = <100>;
                          "SODIMM_137";
 };
 
+/* NAND on such SKUs */
 &gpmi {
        pinctrl-names = "default";
        pinctrl-0 = <&pinctrl_gpmi_nand>;
        nand-ecc-mode = "hw";
 };
 
+/* On-module Power I2C */
 &i2c1 {
        clock-frequency = <100000>;
        pinctrl-names = "default", "gpio";
        pinctrl-1 = <&pinctrl_i2c1_recovery &pinctrl_i2c1_int>;
        scl-gpios = <&gpio1 4 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
        sda-gpios = <&gpio1 5 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
-
        status = "okay";
 
        codec: sgtl5000@a {
        };
 };
 
+/* Colibri I2C: I2C3_SDA/SCL on SODIMM 194/196 */
 &i2c4 {
        clock-frequency = <100000>;
        pinctrl-names = "default", "gpio";
        };
 };
 
+/* Colibri PWM<A> */
 &pwm1 {
        pinctrl-names = "default";
        pinctrl-0 = <&pinctrl_pwm1>;
 };
 
+/* Colibri PWM<B> */
 &pwm2 {
        pinctrl-names = "default";
        pinctrl-0 = <&pinctrl_pwm2>;
 };
 
+/* Colibri PWM<C> */
 &pwm3 {
        pinctrl-names = "default";
        pinctrl-0 = <&pinctrl_pwm3>;
 };
 
+/* Colibri PWM<D> */
 &pwm4 {
        pinctrl-names = "default";
        pinctrl-0 = <&pinctrl_pwm4>;
 };
 
 ®_1p0d {
-       vin-supply = <®_DCDC3>;
+       vin-supply = <®_DCDC3>; /* VDDA_1P8_IN */
 };
 
 &sai1 {
        status = "okay";
 };
 
+/* Colibri UART_A */
 &uart1 {
        pinctrl-names = "default";
        pinctrl-0 = <&pinctrl_uart1 &pinctrl_uart1_ctrl1 &pinctrl_uart1_ctrl2>;
        fsl,dte-mode;
 };
 
+/* Colibri UART_B */
 &uart2 {
        pinctrl-names = "default";
        pinctrl-0 = <&pinctrl_uart2>;
        fsl,dte-mode;
 };
 
+/* Colibri UART_C */
 &uart3 {
        pinctrl-names = "default";
        pinctrl-0 = <&pinctrl_uart3>;
        fsl,dte-mode;
 };
 
+/* Colibri USBC */
 &usbotg1 {
        dr_mode = "otg";
        extcon = <0>, <&extcon_usbc_det>;
        wakeup-source;
 };
 
+/* eMMC on 1GB (eMMC) SKUs */
 &usdhc3 {
        pinctrl-names = "default", "state_100mhz", "state_200mhz";
        pinctrl-0 = <&pinctrl_usdhc3>;
 
        pinctrl_ecspi3_cs: ecspi3-cs-grp {
                fsl,pins = <
-                       MX7D_PAD_I2C2_SDA__GPIO4_IO11           0x14
+                       MX7D_PAD_I2C2_SDA__GPIO4_IO11           0x14 /* SODIMM 86 */
                >;
        };
 
        pinctrl_ecspi3: ecspi3-grp {
                fsl,pins = <
-                       MX7D_PAD_I2C1_SCL__ECSPI3_MISO          0x2
-                       MX7D_PAD_I2C1_SDA__ECSPI3_MOSI          0x2
-                       MX7D_PAD_I2C2_SCL__ECSPI3_SCLK          0x2
+                       MX7D_PAD_I2C1_SCL__ECSPI3_MISO          0x2 /* SODIMM 90 */
+                       MX7D_PAD_I2C1_SDA__ECSPI3_MOSI          0x2 /* SODIMM 92 */
+                       MX7D_PAD_I2C2_SCL__ECSPI3_SCLK          0x2 /* SODIMM 88 */
                >;
        };
 
 
        pinctrl_i2c4: i2c4-grp {
                fsl,pins = <
-                       MX7D_PAD_ENET1_RGMII_TD3__I2C4_SDA      0x4000007f
-                       MX7D_PAD_ENET1_RGMII_TD2__I2C4_SCL      0x4000007f
+                       MX7D_PAD_ENET1_RGMII_TD3__I2C4_SDA      0x4000007f /* SODIMM 194 */
+                       MX7D_PAD_ENET1_RGMII_TD2__I2C4_SCL      0x4000007f /* SODIMM 196 */
                >;
        };
 
 
        pinctrl_lcdif_dat: lcdif-dat-grp {
                fsl,pins = <
-                       MX7D_PAD_LCD_DATA00__LCD_DATA0          0x79
-                       MX7D_PAD_LCD_DATA01__LCD_DATA1          0x79
-                       MX7D_PAD_LCD_DATA02__LCD_DATA2          0x79
-                       MX7D_PAD_LCD_DATA03__LCD_DATA3          0x79
-                       MX7D_PAD_LCD_DATA04__LCD_DATA4          0x79
-                       MX7D_PAD_LCD_DATA05__LCD_DATA5          0x79
-                       MX7D_PAD_LCD_DATA06__LCD_DATA6          0x79
-                       MX7D_PAD_LCD_DATA07__LCD_DATA7          0x79
-                       MX7D_PAD_LCD_DATA08__LCD_DATA8          0x79
-                       MX7D_PAD_LCD_DATA09__LCD_DATA9          0x79
-                       MX7D_PAD_LCD_DATA10__LCD_DATA10         0x79
-                       MX7D_PAD_LCD_DATA11__LCD_DATA11         0x79
-                       MX7D_PAD_LCD_DATA12__LCD_DATA12         0x79
-                       MX7D_PAD_LCD_DATA13__LCD_DATA13         0x79
-                       MX7D_PAD_LCD_DATA14__LCD_DATA14         0x79
-                       MX7D_PAD_LCD_DATA15__LCD_DATA15         0x79
-                       MX7D_PAD_LCD_DATA16__LCD_DATA16         0x79
-                       MX7D_PAD_LCD_DATA17__LCD_DATA17         0x79
+                       MX7D_PAD_LCD_DATA00__LCD_DATA0          0x79 /* SODIMM 76 */
+                       MX7D_PAD_LCD_DATA01__LCD_DATA1          0x79 /* SODIMM 70 */
+                       MX7D_PAD_LCD_DATA02__LCD_DATA2          0x79 /* SODIMM 60 */
+                       MX7D_PAD_LCD_DATA03__LCD_DATA3          0x79 /* SODIMM 58 */
+                       MX7D_PAD_LCD_DATA04__LCD_DATA4          0x79 /* SODIMM 78 */
+                       MX7D_PAD_LCD_DATA05__LCD_DATA5          0x79 /* SODIMM 72 */
+                       MX7D_PAD_LCD_DATA06__LCD_DATA6          0x79 /* SODIMM 80 */
+                       MX7D_PAD_LCD_DATA07__LCD_DATA7          0x79 /* SODIMM 46 */
+                       MX7D_PAD_LCD_DATA08__LCD_DATA8          0x79 /* SODIMM 62 */
+                       MX7D_PAD_LCD_DATA09__LCD_DATA9          0x79 /* SODIMM 48 */
+                       MX7D_PAD_LCD_DATA10__LCD_DATA10         0x79 /* SODIMM 74 */
+                       MX7D_PAD_LCD_DATA11__LCD_DATA11         0x79 /* SODIMM 50 */
+                       MX7D_PAD_LCD_DATA12__LCD_DATA12         0x79 /* SODIMM 52 */
+                       MX7D_PAD_LCD_DATA13__LCD_DATA13         0x79 /* SODIMM 54 */
+                       MX7D_PAD_LCD_DATA14__LCD_DATA14         0x79 /* SODIMM 66 */
+                       MX7D_PAD_LCD_DATA15__LCD_DATA15         0x79 /* SODIMM 64 */
+                       MX7D_PAD_LCD_DATA16__LCD_DATA16         0x79 /* SODIMM 57 */
+                       MX7D_PAD_LCD_DATA17__LCD_DATA17         0x79 /* SODIMM 61 */
                >;
        };
 
        pinctrl_lcdif_dat_24: lcdif-dat-24-grp {
                fsl,pins = <
-                       MX7D_PAD_LCD_DATA18__LCD_DATA18         0x79
-                       MX7D_PAD_LCD_DATA19__LCD_DATA19         0x79
-                       MX7D_PAD_LCD_DATA20__LCD_DATA20         0x79
-                       MX7D_PAD_LCD_DATA21__LCD_DATA21         0x79
-                       MX7D_PAD_LCD_DATA22__LCD_DATA22         0x79
-                       MX7D_PAD_LCD_DATA23__LCD_DATA23         0x79
+                       MX7D_PAD_LCD_DATA18__LCD_DATA18         0x79 /* SODIMM 136 */
+                       MX7D_PAD_LCD_DATA19__LCD_DATA19         0x79 /* SODIMM 138 */
+                       MX7D_PAD_LCD_DATA20__LCD_DATA20         0x79 /* SODIMM 140 */
+                       MX7D_PAD_LCD_DATA21__LCD_DATA21         0x79 /* SODIMM 142 */
+                       MX7D_PAD_LCD_DATA22__LCD_DATA22         0x79 /* SODIMM 144 */
+                       MX7D_PAD_LCD_DATA23__LCD_DATA23         0x79 /* SODIMM 146 */
                >;
        };
 
        pinctrl_lcdif_ctrl: lcdif-ctrl-grp {
                fsl,pins = <
-                       MX7D_PAD_LCD_CLK__LCD_CLK               0x79
-                       MX7D_PAD_LCD_ENABLE__LCD_ENABLE         0x79
-                       MX7D_PAD_LCD_VSYNC__LCD_VSYNC           0x79
-                       MX7D_PAD_LCD_HSYNC__LCD_HSYNC           0x79
+                       MX7D_PAD_LCD_CLK__LCD_CLK               0x79 /* SODIMM 56 */
+                       MX7D_PAD_LCD_ENABLE__LCD_ENABLE         0x79 /* SODIMM 44 */
+                       MX7D_PAD_LCD_VSYNC__LCD_VSYNC           0x79 /* SODIMM 82 */
+                       MX7D_PAD_LCD_HSYNC__LCD_HSYNC           0x79 /* SODIMM 68 */
                >;
        };
 
 
        pinctrl_pwm1: pwm1-grp {
                fsl,pins = <
-                       MX7D_PAD_GPIO1_IO08__PWM1_OUT           0x79
-                       MX7D_PAD_ECSPI2_MOSI__GPIO4_IO21        0x4
+                       MX7D_PAD_GPIO1_IO08__PWM1_OUT           0x79 /* SODIMM 59 */
+                       MX7D_PAD_ECSPI2_MOSI__GPIO4_IO21        0x4  /* SODIMM 59 */
                >;
        };
 
        pinctrl_pwm2: pwm2-grp {
                fsl,pins = <
-                       MX7D_PAD_GPIO1_IO09__PWM2_OUT           0x79
+                       MX7D_PAD_GPIO1_IO09__PWM2_OUT           0x79 /* SODIMM 28 */
                >;
        };
 
        pinctrl_pwm3: pwm3-grp {
                fsl,pins = <
-                       MX7D_PAD_GPIO1_IO10__PWM3_OUT           0x79
+                       MX7D_PAD_GPIO1_IO10__PWM3_OUT           0x79 /* SODIMM 30 */
                >;
        };
 
        pinctrl_pwm4: pwm4-grp {
                fsl,pins = <
-                       MX7D_PAD_GPIO1_IO11__PWM4_OUT           0x79
-                       MX7D_PAD_ECSPI2_SCLK__GPIO4_IO20        0x4
+                       MX7D_PAD_GPIO1_IO11__PWM4_OUT           0x79 /* SODIMM 67 */
+                       MX7D_PAD_ECSPI2_SCLK__GPIO4_IO20        0x4  /* SODIMM 67 */
                >;
        };
 
        pinctrl_uart1: uart1-grp {
                fsl,pins = <
-                       MX7D_PAD_UART1_TX_DATA__UART1_DTE_RX    0x79
-                       MX7D_PAD_UART1_RX_DATA__UART1_DTE_TX    0x79
-                       MX7D_PAD_SAI2_TX_BCLK__UART1_DTE_CTS    0x79
-                       MX7D_PAD_SAI2_TX_SYNC__UART1_DTE_RTS    0x79
+                       MX7D_PAD_UART1_TX_DATA__UART1_DTE_RX    0x79 /* SODIMM 33 */
+                       MX7D_PAD_UART1_RX_DATA__UART1_DTE_TX    0x79 /* SODIMM 35 */
+                       MX7D_PAD_SAI2_TX_BCLK__UART1_DTE_CTS    0x79 /* SODIMM 25 */
+                       MX7D_PAD_SAI2_TX_SYNC__UART1_DTE_RTS    0x79 /* SODIMM 27 */
                >;
        };
 
        pinctrl_uart1_ctrl1: uart1-ctrl1-grp {
                fsl,pins = <
-                       MX7D_PAD_SD2_DATA1__GPIO5_IO15          0x14 /* DCD */
-                       MX7D_PAD_SD2_DATA0__GPIO5_IO14          0x14 /* DTR */
+                       MX7D_PAD_SD2_DATA1__GPIO5_IO15          0x14 /* SODIMM 31 / DCD */
+                       MX7D_PAD_SD2_DATA0__GPIO5_IO14          0x14 /* SODIMM 23 / DTR */
                >;
        };
 
        pinctrl_uart2: uart2-grp {
                fsl,pins = <
-                       MX7D_PAD_UART2_TX_DATA__UART2_DTE_RX 0x79
-                       MX7D_PAD_UART2_RX_DATA__UART2_DTE_TX 0x79
-                       MX7D_PAD_SAI2_RX_DATA__UART2_DTE_RTS 0x79
-                       MX7D_PAD_SAI2_TX_DATA__UART2_DTE_CTS 0x79
+                       MX7D_PAD_UART2_TX_DATA__UART2_DTE_RX    0x79 /* SODIMM 36 */
+                       MX7D_PAD_UART2_RX_DATA__UART2_DTE_TX    0x79 /* SODIMM 38 */
+                       MX7D_PAD_SAI2_RX_DATA__UART2_DTE_RTS    0x79 /* SODIMM 32 / CTS */
+                       MX7D_PAD_SAI2_TX_DATA__UART2_DTE_CTS    0x79 /* SODIMM 34 / RTS */
                >;
        };
        pinctrl_uart3: uart3-grp {
                fsl,pins = <
-                       MX7D_PAD_UART3_TX_DATA__UART3_DTE_RX 0x79
-                       MX7D_PAD_UART3_RX_DATA__UART3_DTE_TX 0x79
+                       MX7D_PAD_UART3_TX_DATA__UART3_DTE_RX    0x79 /* SODIMM 19 */
+                       MX7D_PAD_UART3_RX_DATA__UART3_DTE_TX    0x79 /* SODIMM 21 */
                >;
        };
 
        pinctrl_usbc_det: gpio-usbc-det {
                fsl,pins = <
-                       MX7D_PAD_ENET1_CRS__GPIO7_IO14  0x14
+                       MX7D_PAD_ENET1_CRS__GPIO7_IO14          0x14 /* SODIMM 137 / USBC_DET */
                >;
        };
 
        pinctrl_usbh_reg: gpio-usbh-vbus {
                fsl,pins = <
-                       MX7D_PAD_UART3_CTS_B__GPIO4_IO7 0x14 /* SODIMM 129 USBH PEN */
+                       MX7D_PAD_UART3_CTS_B__GPIO4_IO7         0x14 /* SODIMM 129 / USBH_PEN */
                >;
        };
 
 
        pinctrl_gpio_lpsr: gpio1-grp {
                fsl,pins = <
-                       MX7D_PAD_LPSR_GPIO1_IO02__GPIO1_IO2     0x59
-                       MX7D_PAD_LPSR_GPIO1_IO03__GPIO1_IO3     0x59
+                       MX7D_PAD_LPSR_GPIO1_IO02__GPIO1_IO2     0x59 /* SODIMM 135 */
+                       MX7D_PAD_LPSR_GPIO1_IO03__GPIO1_IO3     0x59 /* SODIMM 22 */
                >;
        };
 
        pinctrl_gpiokeys: gpiokeysgrp {
                fsl,pins = <
-                       MX7D_PAD_LPSR_GPIO1_IO01__GPIO1_IO1     0x19
+                       MX7D_PAD_LPSR_GPIO1_IO01__GPIO1_IO1     0x19 /* SODIMM 45 / WAKE_UP */
                >;
        };
 
 
        pinctrl_uart1_ctrl2: uart1-ctrl2-grp {
                fsl,pins = <
-                       MX7D_PAD_LPSR_GPIO1_IO07__GPIO1_IO7     0x14 /* DSR */
-                       MX7D_PAD_LPSR_GPIO1_IO06__GPIO1_IO6     0x14 /* RI */
+                       MX7D_PAD_LPSR_GPIO1_IO07__GPIO1_IO7     0x14 /* SODIMM 29 / DSR */
+                       MX7D_PAD_LPSR_GPIO1_IO06__GPIO1_IO6     0x14 /* SODIMM 37 / RI */
                >;
        };
 };