From 0153bcd37c61fdfd4953bc3e2953f00a19577e2a Mon Sep 17 00:00:00 2001 From: Frieder Schrempf Date: Mon, 21 Jul 2025 12:05:42 +0200 Subject: [PATCH] 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 Signed-off-by: Shawn Guo --- .../dts/freescale/imx8mp-kontron-bl-osm-s.dts | 30 +++++++++---------- 1 file changed, 14 insertions(+), 16 deletions(-) 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 4aa5c261b865d..bbcd76e9e9913 100644 --- 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 +}; -- 2.47.3