ARM: dts: meson8b: ec100: add the GPIO line names

This adds the GPIO line names from the schematics to get them displayed
in the debugfs output of each GPIO controller.
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>

arch/arm/boot/dts/meson8b-ec100.dts

@@ -289,6 +289,56 @@ sd_card_slot: slot@1 {
 	};
 };
 
+&gpio_ao {
+	gpio-line-names = "Linux_TX", "Linux_RX",
+			  "SLP_S5_N", "USB2_OC_FLAG#",
+			  "HUB_RST", "USB_PWR_EN",
+			  "I2S_IN", "SLP_S1_N",
+			  "TCK", "TMS", "TDI", "TDO",
+			  "HDMI_CEC", "5640_IRQ",
+			  "MUTE", "S805_TEST#";
+};
+
+&gpio {
+	gpio-line-names = /* Bank GPIOX */
+			  "WIFI_SD_D0", "WIFI_SD_D1", "WIFI_SD_D2",
+			  "WIFI_SD_D3", "BTPCM_DOUT", "BTPCM_DIN",
+			  "BTPCM_SYNC", "BTPCM_CLK", "WIFI_SD_CLK",
+			  "WIFI_SD_CMD", "WIFI_32K", "WIFI_PWREN",
+			  "UART_B_TX", "UART_B_RX", "UART_B_CTS_N",
+			  "UART_B_RTS_N", "BT_EN", "WIFI_WAKE_HOST",
+			  /* Bank GPIOY */
+			  "", "", "", "", "", "", "", "", "", "",
+			  "", "",
+			  /* Bank GPIODV */
+			  "VCCK_PWM_C", "I2C_SDA_A", "I2C_SCL_A",
+			  "I2C_SDA_B", "I2C_SCL_B", "VDDEE_PWM_D",
+			  "VDDEE_PWM 3V3_5V_EN",
+			  /* Bank GPIOH */
+			  "HDMI_HPD", "HDMI_I2C_SDA", "HDMI_I2C_SCL",
+			  "RMII_IRQ", "RMII_RST#", "RMII_TXD1",
+			  "RMII_TXD0", "AV_select_1", "AV_select_2",
+			  "MCU_Control_S",
+			  /* Bank CARD */
+			  "SD_D1_B", "SD_D0_B", "SD_CLK_8726MX",
+			  "SD_CMD_8726MX", "SD_D3_B", "SD_D2_B",
+			  "CARD_EN_DET (CARD_DET)",
+			  /* Bank BOOT */
+			  "NAND_D0 (EMMC)", "NAND_D1 (EMMC)",
+			  "NAND_D2 (EMMC)", "NAND_D3 (EMMC)",
+			  "NAND_D4 (EMMC)", "NAND_D5 (EMMC)",
+			  "NAND_D6 (EMMC)", "NAND_D7 (EMMC)",
+			  "NAND_CS1 (EMMC)", "NAND_CS2 iNAND_RS1 (EMMC)",
+			  "NAND_nR/B iNAND_CMD (EMMC)", "NAND_ALE (EMMC)",
+			  "NAND_CLE (EMMC)", "nRE_S1 NAND_nRE (EMMC)",
+			  "nWE_S1 NAND_nWE (EMMC)",  "", "", "SPI_CS",
+			  /* Bank DIF */
+			  "RMII_RXD1", "RMII_RXD0", "RMII_CRS_DV",
+			  "RMII_50M_IN", "GPIODIF_4", "GPIODIF_5",
+			  "RMII_TXEN", "CPUETH_25MOUT", "RMII_MDC",
+			  "RMII_MDIO";
+};
+
 &pwm_cd {
 	status = "okay";
 	pinctrl-0 = <&pwm_c1_pins>;