arm64: dts: imx8mp-kontron: Fix GPIO labels for latest BL board

Hardware rev 3 changed a few signals. Reflect these changes in
the GPIO labels.

* digital IOs were moved to GPIO expander
* remove labels for unused signals
* add labels for TFT, CSI and USB hub IOs

Signed-off-by: Frieder Schrempf <frieder.schrempf@kontron.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/arch/arm64/boot/dts/freescale/imx8mp-kontron-bl-osm-s.dts b/arch/arm64/boot/dts/freescale/imx8mp-kontron-bl-osm-s.dts
index 4aa5c261b865d294cc0215ad536dc2b0a708b9cf..bbcd76e9e99135ad48fc45c1967e1662aea48ac5 100644 (file)
--- a/arch/arm64/boot/dts/freescale/imx8mp-kontron-bl-osm-s.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mp-kontron-bl-osm-s.dts
@@ -123,38 +123,36 @@
 
 /*
  * Rename SoM signals according to board usage:
- *   GPIO_B_0      -> DIO1_OUT
- *   GPIO_B_1      -> DIO2_OUT
+ *   GPIO_B_0      -> IO_EXP_INT
+ *   GPIO_B_1      -> IO_EXP_RST
  */
 &gpio3 {
        gpio-line-names = "PCIE_WAKE", "PCIE_CLKREQ", "PCIE_A_PERST", "SDIO_B_D5",
                          "SDIO_B_D6", "SDIO_B_D7", "SPI_A_WP", "SPI_A_HOLD",
                          "UART_B_RTS", "UART_B_CTS", "SDIO_B_D0", "SDIO_B_D1",
                          "SDIO_B_D2", "SDIO_B_D3", "SDIO_B_WP", "SDIO_B_D4",
-                         "PCIE_SM_ALERT", "SDIO_B_CLK", "SDIO_B_CMD", "DIO1_OUT",
-                         "DIO2_OUT", "", "BOOT_SEL0", "BOOT_SEL1",
+                         "PCIE_SM_ALERT", "SDIO_B_CLK", "SDIO_B_CMD", "IO_EXP_INT",
+                         "IO_EXP_RST", "", "BOOT_SEL0", "BOOT_SEL1",
                          "", "", "SDIO_B_CD", "SDIO_B_PWR_EN",
                          "HDMI_CEC", "HDMI_HPD";
 };
 
 /*
- * Rename SoM signals according to board usage:
- *   GPIO_B_5      -> DIO2_IN
- *   GPIO_B_6      -> DIO3_IN
- *   GPIO_B_7      -> DIO4_IN
- *   GPIO_B_3      -> DIO4_OUT
- *   GPIO_B_4      -> DIO1_IN
- *   GPIO_B_2      -> DIO3_OUT
+ * Rename SoM signals according to board usage and remove labels for unsed pins:
+ *   GPIO_A_6      -> TFT_RESET
+ *   GPIO_A_7      -> TFT_STBY
+ *   GPIO_B_3      -> CSI_ENABLE
+ *   GPIO_B_2      -> USB_HUB_RST
  */
 &gpio4 {
-       gpio-line-names = "DIO2_IN", "DIO3_IN", "DIO4_IN", "GPIO_C_0",
+       gpio-line-names = "", "", "", "",
                          "ETH_A_MDC", "ETH_A_MDIO", "ETH_A_RXD0", "ETH_A_RXD1",
                          "ETH_A_RXD2", "ETH_A_RXD3", "ETH_A_RX_DV", "ETH_A_RX_CLK",
                          "ETH_A_TXD0", "ETH_A_TXD1", "ETH_A_TXD2", "ETH_A_TXD3",
-                         "ETH_A_TX_EN", "ETH_A_TX_CLK", "DIO4_OUT", "DIO1_IN",
-                         "DIO3_OUT", "GPIO_A_6", "CAN_A_TX", "UART_A_CTS",
+                         "ETH_A_TX_EN", "ETH_A_TX_CLK", "CSI_ENABLE", "",
+                         "USB_HUB_RST", "TFT_RESET", "CAN_A_TX", "UART_A_CTS",
                          "UART_A_RTS", "CAN_A_RX", "CAN_B_TX", "CAN_B_RX",
-                         "GPIO_A_7", "CARRIER_PWR_EN", "I2S_A_DATA_IN", "I2S_LRCLK";
+                         "TFT_STBY", "CARRIER_PWR_EN", "I2S_A_DATA_IN", "I2S_LRCLK";
 };
 
 /*
@@ -325,4 +323,4 @@
                        MX8MP_IOMUXC_NAND_DQS__GPIO3_IO14               0x46
                >;
        };
-};
\ No newline at end of file
+};