Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | // SPDX-License-Identifier: (GPL-2.0 OR MIT) |
| 2 | /* |
| 3 | * Device Tree file for Google Chromecast |
| 4 | * |
| 5 | * Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> |
| 6 | */ |
| 7 | |
| 8 | /dts-v1/; |
| 9 | |
| 10 | #include "berlin2cd.dtsi" |
| 11 | #include <dt-bindings/gpio/gpio.h> |
| 12 | |
| 13 | / { |
| 14 | model = "Google Chromecast"; |
| 15 | compatible = "google,chromecast", "marvell,berlin2cd", "marvell,berlin"; |
| 16 | |
| 17 | chosen { |
| 18 | bootargs = "earlyprintk"; |
| 19 | stdout-path = "serial0:115200n8"; |
| 20 | }; |
| 21 | |
| 22 | memory@0 { |
| 23 | device_type = "memory"; |
| 24 | |
| 25 | /* |
| 26 | * We're using "linux,usable-memory" instead of "reg" here |
| 27 | * because the (signed and encrypted) bootloader that shipped |
| 28 | * with this device provides an incorrect memory range in |
| 29 | * ATAG_MEM. Linux helpfully overrides the "reg" property with |
| 30 | * data from the ATAG, so we can't specify the proper range |
| 31 | * normally. Fortunately, this alternate property is checked |
| 32 | * first by the OF driver, so we can (ab)use it instead. |
| 33 | */ |
| 34 | linux,usable-memory = <0x00000000 0x20000000>; /* 512 MB */ |
| 35 | }; |
| 36 | |
| 37 | led-controller { |
| 38 | compatible = "pwm-leds"; |
| 39 | pinctrl-0 = <&ledpwm_pmux>; |
| 40 | pinctrl-names = "default"; |
| 41 | |
| 42 | led-1 { |
| 43 | label = "white"; |
| 44 | pwms = <&pwm 0 600000 0>; |
| 45 | max-brightness = <255>; |
| 46 | linux,default-trigger = "default-on"; |
| 47 | }; |
| 48 | |
| 49 | led-2 { |
| 50 | label = "red"; |
| 51 | pwms = <&pwm 1 600000 0>; |
| 52 | max-brightness = <255>; |
| 53 | }; |
| 54 | }; |
| 55 | }; |
| 56 | |
| 57 | /* |
| 58 | * AzureWave AW-NH387 (Marvell 88W8787) |
| 59 | * 802.11b/g/n + Bluetooth 2.1 |
| 60 | */ |
| 61 | &sdhci0 { |
| 62 | non-removable; |
| 63 | status = "okay"; |
| 64 | }; |
| 65 | |
| 66 | &uart0 { status = "okay"; }; |
| 67 | |
| 68 | &usb_phy1 { status = "okay"; }; |
| 69 | |
| 70 | &usb1 { status = "okay"; }; |
| 71 | |
| 72 | &soc_pinctrl { |
| 73 | ledpwm_pmux: ledpwm-pmux { |
| 74 | groups = "G0"; |
| 75 | function = "pwm"; |
| 76 | }; |
| 77 | }; |