diff options
Diffstat (limited to 'arch/arm/boot/dts/r8a7742-iwg21m.dtsi')
-rw-r--r-- | arch/arm/boot/dts/r8a7742-iwg21m.dtsi | 79 |
1 files changed, 75 insertions, 4 deletions
diff --git a/arch/arm/boot/dts/r8a7742-iwg21m.dtsi b/arch/arm/boot/dts/r8a7742-iwg21m.dtsi index 85aff429d408..5621c9ed698f 100644 --- a/arch/arm/boot/dts/r8a7742-iwg21m.dtsi +++ b/arch/arm/boot/dts/r8a7742-iwg21m.dtsi @@ -35,10 +35,28 @@ clock-frequency = <20000000>; }; -&pfc { - mmc1_pins: mmc1 { - groups = "mmc1_data4", "mmc1_ctrl"; - function = "mmc1"; +&gpio0 { + /* GP0_18 set low to select QSPI. Doing so will disable VIN2 */ + qspi_en { + 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>; }; }; @@ -51,3 +69,56 @@ 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>; + }; + }; + }; +}; |