diff options
Diffstat (limited to 'arch/arm/boot/dts/am3517-som.dtsi')
| -rw-r--r-- | arch/arm/boot/dts/am3517-som.dtsi | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/am3517-som.dtsi b/arch/arm/boot/dts/am3517-som.dtsi new file mode 100644 index 000000000000..a6d5ff73c163 --- /dev/null +++ b/arch/arm/boot/dts/am3517-som.dtsi @@ -0,0 +1,142 @@ +/* + * Copyright (C) 2016 Derald D. Woods <woods.technical@gmail.com> + * + * Based on am3517-evm.dts + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +/ { + cpus { + cpu@0 { + cpu0-supply = <&vdd_core_reg>; + }; + }; +}; + +&gpmc { + ranges = <0 0 0x30000000 0x1000000>; /* CS0: 16MB for NAND */ + + nand@0,0 { + compatible = "ti,omap2-nand"; + linux,mtd-name = "micron,mt29f4g16abchch"; + reg = <0 0 4>; /* CS0, offset 0, IO size 4 */ + nand-bus-width = <16>; + ti,nand-ecc-opt = "bch8"; + gpmc,sync-clk-ps = <0>; + gpmc,cs-on-ns = <0>; + gpmc,cs-rd-off-ns = <44>; + gpmc,cs-wr-off-ns = <44>; + gpmc,adv-on-ns = <6>; + gpmc,adv-rd-off-ns = <34>; + gpmc,adv-wr-off-ns = <44>; + gpmc,we-off-ns = <40>; + gpmc,oe-off-ns = <54>; + gpmc,access-ns = <64>; + gpmc,rd-cycle-ns = <82>; + gpmc,wr-cycle-ns = <82>; + gpmc,wr-access-ns = <40>; + gpmc,wr-data-mux-bus-ns = <0>; + gpmc,device-width = <2>; + #address-cells = <1>; + #size-cells = <1>; + }; +}; + +&i2c1 { + clock-frequency = <400000>; + + s35390a: s35390a@30 { + compatible = "sii,s35390a"; + reg = <0x30>; + + pinctrl-names = "default"; + pinctrl-0 = <&rtc_pins>; + interrupts-extended = <&gpio2 23 IRQ_TYPE_EDGE_FALLING>; /* gpio_55 */ + }; + + tps: tps65023@48 { + compatible = "ti,tps65023"; + reg = <0x48>; + + regulators { + vdd_core_reg: VDCDC1 { + regulator-name = "vdd_core"; + compatible = "regulator-fixed"; + regulator-always-on; + regulator-min-microvolt = <1200000>; + regulator-max-microvolt = <1200000>; + }; + + vdd_io_reg: VDCDC2 { + regulator-name = "vdd_io"; + compatible = "regulator-fixed"; + regulator-always-on; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + }; + + vdd_1v8_reg: VDCDC3 { + regulator-name = "vdd_1v8"; + compatible = "regulator-fixed"; + regulator-always-on; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + }; + + vdd_usb18_reg: LDO1 { + regulator-name = "vdd_usb18"; + compatible = "regulator-fixed"; + regulator-always-on; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + }; + + vdd_usb33_reg: LDO2 { + regulator-name = "vdd_usb33"; + compatible = "regulator-fixed"; + regulator-always-on; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + }; + }; + }; + + touchscreen: tsc2004@4b { + compatible = "ti,tsc2004"; + reg = <0x4b>; + + vio-supply = <&vdd_io_reg>; + + pinctrl-names = "default"; + pinctrl-0 = <&tsc2004_pins>; + interrupts-extended = <&gpio3 1 IRQ_TYPE_EDGE_RISING>; /* gpio_65 */ + + touchscreen-fuzz-x = <4>; + touchscreen-fuzz-y = <7>; + touchscreen-fuzz-pressure = <2>; + touchscreen-size-x = <480>; + touchscreen-size-y = <272>; + touchscreen-max-pressure = <2048>; + + ti,x-plate-ohms = <280>; + ti,esd-recovery-timeout-ms = <8000>; + }; +}; + +&omap3_pmx_core { + + rtc_pins: pinmux_rtc_pins { + pinctrl-single,pins = < + OMAP3_CORE1_IOPAD(0x20b6, PIN_INPUT_PULLUP | MUX_MODE4) /* gpmc_ncs4.gpio_55 */ + >; + }; + + tsc2004_pins: pinmux_tsc2004_pins { + pinctrl-single,pins = < + OMAP3_CORE1_IOPAD(0x20d2, PIN_INPUT | MUX_MODE4) /* gpmc_wait3.gpio_65 */ + >; + }; +}; |