diff options
Diffstat (limited to 'arch/arm/boot/dts/imx6ull-dhcor-som.dtsi')
-rw-r--r-- | arch/arm/boot/dts/imx6ull-dhcor-som.dtsi | 255 |
1 files changed, 255 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/imx6ull-dhcor-som.dtsi b/arch/arm/boot/dts/imx6ull-dhcor-som.dtsi new file mode 100644 index 000000000000..5882c7565f64 --- /dev/null +++ b/arch/arm/boot/dts/imx6ull-dhcor-som.dtsi @@ -0,0 +1,255 @@ +// SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause +/* + * Copyright (C) 2023 DH electronics GmbH + */ + +#include <dt-bindings/clock/imx6ul-clock.h> +#include <dt-bindings/gpio/gpio.h> +#include <dt-bindings/input/input.h> +#include <dt-bindings/leds/common.h> +#include <dt-bindings/pwm/pwm.h> +#include "imx6ull.dtsi" + +/ { + memory@80000000 { + /* Appropriate memory size will be filled by U-Boot */ + reg = <0x80000000 0>; + device_type = "memory"; + }; +}; + +&cpu0 { + /* + * Due to the design as a solderable SOM, there are no capacitors + * below the SoC, therefore higher voltages are required. + */ + operating-points = < + /* kHz uV */ + 900000 1275000 + 792000 1250000 /* Voltage increased */ + 528000 1175000 + 396000 1025000 + 198000 950000 + >; + fsl,soc-operating-points = < + /* KHz uV */ + 900000 1250000 + 792000 1250000 /* Voltage increased */ + 528000 1175000 + 396000 1175000 + 198000 1175000 + >; +}; + +&gpio1 { + pinctrl-0 = <&pinctrl_spi1_switch>; + pinctrl-names = "default"; + /* + * Pin SPI_BOOT_FLASH_EN (GPIO 1.9) is a switch for either using the + * DHCOM SPI1 interface or accessing the SPI bootflash. Both using + * ecspi1, but muxed to different pins. The DHCOM SPI1 interface uses + * the pins PAD_LCD_DATA21..23 and the SPI bootflash uses the pins + * PAD_CSI_DATA04..07. If the SPI bootflash is enabled the pins for + * DHCOM GPIOs N/O/P/Q/R/S/T/U aren't usable anymore, because they + * are used for the bus interface to the SPI bootflash. The GPIOs are + * disconnected by a buffer which is also controlled via the pin + * SPI_BOOT_FLASH_EN. Therefore the access to the bootflash is a + * special case and is disabled by setting GPIO 1.9 to high. + */ + spi1-switch-hog { + gpio-hog; + gpios = <9 0>; + output-high; + line-name = "spi1-switch"; + }; +}; + +&i2c1 { + clock-frequency = <100000>; + pinctrl-0 = <&pinctrl_i2c1>; + pinctrl-1 = <&pinctrl_i2c1_gpio>; + pinctrl-names = "default", "gpio"; + scl-gpios = <&gpio1 28 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; + sda-gpios = <&gpio1 29 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; + status = "okay"; + + pmic@58 { + compatible = "dlg,da9061"; + reg = <0x58>; + + onkey { + compatible = "dlg,da9061-onkey", "dlg,da9062-onkey"; + status = "disabled"; + }; + + regulators { + vdd_soc_in_1v4: buck1 { + regulator-always-on; + regulator-boot-on; + regulator-max-microvolt = <1400000>; + regulator-min-microvolt = <1400000>; + regulator-name = "vdd_soc_in_1v4"; + }; + + vcc_3v3: buck2 { + regulator-always-on; + regulator-boot-on; + regulator-max-microvolt = <3300000>; + regulator-min-microvolt = <3300000>; + regulator-name = "vcc_3v3"; + }; + + /* + * The current DRR3 memory can be supplied with a + * voltage of either 1.35V or 1.5V. For reasons of + * backward compatibility to only 1.5V DDR3 memory, + * the voltage is set to 1.5V. + */ + vcc_ddr_1v35: buck3 { + regulator-always-on; + regulator-boot-on; + regulator-max-microvolt = <1500000>; + regulator-min-microvolt = <1500000>; + regulator-name = "vcc_ddr_1v35"; + }; + + vcc_2v5: ldo1 { + regulator-always-on; + regulator-boot-on; + regulator-max-microvolt = <2500000>; + regulator-min-microvolt = <2500000>; + regulator-name = "vcc_2v5"; + }; + + vdd_snvs_in_3v3: ldo2 { + regulator-always-on; + regulator-boot-on; + regulator-max-microvolt = <3300000>; + regulator-min-microvolt = <3300000>; + regulator-name = "vdd_snvs_in_3v3"; + }; + + vcc_1v8: ldo3 { + regulator-always-on; + regulator-boot-on; + regulator-max-microvolt = <1800000>; + regulator-min-microvolt = <1800000>; + regulator-name = "vcc_1v8"; + }; + + vcc_1v2: ldo4 { + regulator-always-on; + regulator-boot-on; + regulator-max-microvolt = <1200000>; + regulator-min-microvolt = <1200000>; + regulator-name = "vcc_1v2"; + }; + }; + + thermal { + compatible = "dlg,da9061-thermal", "dlg,da9062-thermal"; + status = "disabled"; + }; + + watchdog { + compatible = "dlg,da9061-watchdog", "dlg,da9062-watchdog"; + status = "disabled"; + }; + }; +}; + +&ocotp { + /* Don't get write access by default */ + read-only; +}; + +®_arm { + vin-supply = <&vdd_soc_in_1v4>; +}; + +®_soc { + vin-supply = <&vdd_soc_in_1v4>; +}; + +/* BT on LGA (BT_REG_ON is connected to LGA pin E1) */ +&uart2 { + pinctrl-0 = <&pinctrl_uart2>; + pinctrl-names = "default"; + uart-has-rtscts; + status = "okay"; + + /* + * Actually, the maximum speed of the chip is 4MBdps, but there are + * limitations that prevent this speed. It hasn't yet been figured out + * what the reason for this is. Currently, the maximum speed of 3MBdps + * can be used without any problems. If the limitation can be overcome, + * the speed can be increased accordingly. + */ + bluetooth: bluetooth { + compatible = "brcm,bcm43430a1-bt"; /* muRata 1DX */ + max-speed = <3000000>; + vbat-supply = <&vcc_3v3>; + vddio-supply = <&vcc_3v3>; + }; +}; + +/* WiFi on LGA (WL_REG_ON is connected to LGA pin E3) */ +&usdhc1 { + #address-cells = <1>; + #size-cells = <0>; + bus-width = <4>; + no-1-8-v; + non-removable; + keep-power-in-suspend; + pinctrl-0 = <&pinctrl_usdhc1_wifi>; + pinctrl-names = "default"; + wakeup-source; + status = "okay"; + + brcmf: wifi@1 { + compatible = "brcm,bcm43430a1-fmac", "brcm,bcm4329-fmac"; /* muRata 1DX */ + reg = <1>; + }; +}; + +&iomuxc { + pinctrl_i2c1: i2c1-grp { + fsl,pins = < + MX6UL_PAD_UART4_TX_DATA__I2C1_SCL 0x4001b8b0 + MX6UL_PAD_UART4_RX_DATA__I2C1_SDA 0x4001b8b0 + >; + }; + + pinctrl_i2c1_gpio: i2c1-gpio-grp { + fsl,pins = < + MX6UL_PAD_UART4_TX_DATA__GPIO1_IO28 0x4001b8b0 + MX6UL_PAD_UART4_RX_DATA__GPIO1_IO29 0x4001b8b0 + >; + }; + + pinctrl_spi1_switch: spi1-switch-grp { + fsl,pins = < + MX6UL_PAD_GPIO1_IO09__GPIO1_IO09 0x120b0 /* SPI_BOOT_FLASH_EN */ + >; + }; + + pinctrl_uart2: uart2-grp { + fsl,pins = < + MX6UL_PAD_UART2_TX_DATA__UART2_DCE_TX 0x1b0b1 + MX6UL_PAD_UART2_RX_DATA__UART2_DCE_RX 0x1b0b1 + MX6UL_PAD_UART3_RX_DATA__UART2_DCE_RTS 0x1b0b1 + MX6UL_PAD_UART3_TX_DATA__UART2_DCE_CTS 0x1b0b1 + >; + }; + + pinctrl_usdhc1_wifi: usdhc1-wifi-grp { + fsl,pins = < + MX6UL_PAD_SD1_CMD__USDHC1_CMD 0x1b0b0 + MX6UL_PAD_SD1_CLK__USDHC1_CLK 0x10010 + MX6UL_PAD_SD1_DATA0__USDHC1_DATA0 0x1b0b0 + MX6UL_PAD_SD1_DATA1__USDHC1_DATA1 0x1b0b0 + MX6UL_PAD_SD1_DATA2__USDHC1_DATA2 0x1b0b0 + MX6UL_PAD_SD1_DATA3__USDHC1_DATA3 0x1b0b0 + >; + }; +}; |