diff options
Diffstat (limited to 'arch/arm/boot/dts/renesas/r8a7742-iwg21m.dtsi')
-rw-r--r-- | arch/arm/boot/dts/renesas/r8a7742-iwg21m.dtsi | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/renesas/r8a7742-iwg21m.dtsi b/arch/arm/boot/dts/renesas/r8a7742-iwg21m.dtsi new file mode 100644 index 0000000000..b281a4d164 --- /dev/null +++ b/arch/arm/boot/dts/renesas/r8a7742-iwg21m.dtsi @@ -0,0 +1,124 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Device Tree Source for the iWave RZ/G1H Qseven SOM + * + * Copyright (C) 2020 Renesas Electronics Corp. + */ + +#include "r8a7742.dtsi" +#include <dt-bindings/gpio/gpio.h> + +/ { + compatible = "iwave,g21m", "renesas,r8a7742"; + + memory@40000000 { + device_type = "memory"; + reg = <0 0x40000000 0 0x40000000>; + }; + + memory@200000000 { + device_type = "memory"; + reg = <2 0x00000000 0 0x40000000>; + }; + + reg_3p3v: 3p3v { + compatible = "regulator-fixed"; + regulator-name = "3P3V"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-always-on; + regulator-boot-on; + }; +}; + +&extal_clk { + clock-frequency = <20000000>; +}; + +&gpio0 { + /* GP0_18 set low to select QSPI. Doing so will disable VIN2 */ + qspi-en-hog { + gpio-hog; + gpios = <18 GPIO_ACTIVE_HIGH>; + output-low; + line-name = "QSPI_EN"; + }; +}; + +&i2c0 { + pinctrl-0 = <&i2c0_pins>; + pinctrl-names = "default"; + + status = "okay"; + clock-frequency = <400000>; + + rtc@68 { + compatible = "ti,bq32000"; + reg = <0x68>; + interrupt-parent = <&gpio1>; + interrupts = <1 IRQ_TYPE_EDGE_FALLING>; + }; +}; + +&mmcif1 { + pinctrl-0 = <&mmc1_pins>; + pinctrl-names = "default"; + + vmmc-supply = <®_3p3v>; + bus-width = <4>; + non-removable; + status = "okay"; +}; + +&pfc { + i2c0_pins: i2c0 { + groups = "i2c0"; + function = "i2c0"; + }; + + mmc1_pins: mmc1 { + groups = "mmc1_data4", "mmc1_ctrl"; + function = "mmc1"; + }; + + qspi_pins: qspi { + groups = "qspi_ctrl", "qspi_data2"; + function = "qspi"; + }; +}; + +&qspi { + pinctrl-0 = <&qspi_pins>; + pinctrl-names = "default"; + + status = "okay"; + + flash: flash@0 { + compatible = "sst,sst25vf016b", "jedec,spi-nor"; + reg = <0>; + spi-max-frequency = <50000000>; + m25p,fast-read; + spi-cpol; + spi-cpha; + + partitions { + compatible = "fixed-partitions"; + #address-cells = <1>; + #size-cells = <1>; + + partition@0 { + label = "bootloader"; + reg = <0x00000000 0x000c0000>; + read-only; + }; + partition@c0000 { + label = "env"; + reg = <0x000c0000 0x00002000>; + }; + partition@c2000 { + label = "user"; + reg = <0x000c2000 0x0013e000>; + }; + }; + }; +}; |