| Stefan Wahren | d1b2237 | 2021-08-07 13:06:39 +0200 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0 |
| 2 | /dts-v1/; |
| 3 | #include "bcm2711.dtsi" |
| 4 | #include "bcm2711-rpi.dtsi" |
| 5 | #include "bcm283x-rpi-wifi-bt.dtsi" |
| 6 | |
| 7 | / { |
| 8 | compatible = "raspberrypi,4-compute-module", "brcm,bcm2711"; |
| 9 | |
| 10 | chosen { |
| 11 | /* 8250 auxiliary UART instead of pl011 */ |
| 12 | stdout-path = "serial1:115200n8"; |
| 13 | }; |
| 14 | |
| 15 | sd_io_1v8_reg: sd_io_1v8_reg { |
| 16 | compatible = "regulator-gpio"; |
| 17 | regulator-name = "vdd-sd-io"; |
| 18 | regulator-min-microvolt = <1800000>; |
| 19 | regulator-max-microvolt = <3300000>; |
| 20 | regulator-boot-on; |
| 21 | regulator-always-on; |
| 22 | regulator-settling-time-us = <5000>; |
| 23 | gpios = <&expgpio 4 GPIO_ACTIVE_HIGH>; |
| 24 | states = <1800000 0x1>, |
| 25 | <3300000 0x0>; |
| 26 | status = "okay"; |
| 27 | }; |
| 28 | |
| 29 | sd_vcc_reg: sd_vcc_reg { |
| 30 | compatible = "regulator-fixed"; |
| 31 | regulator-name = "vcc-sd"; |
| 32 | regulator-min-microvolt = <3300000>; |
| 33 | regulator-max-microvolt = <3300000>; |
| 34 | regulator-boot-on; |
| 35 | enable-active-high; |
| 36 | gpio = <&expgpio 6 GPIO_ACTIVE_HIGH>; |
| 37 | }; |
| 38 | }; |
| 39 | |
| 40 | &bt { |
| 41 | shutdown-gpios = <&expgpio 0 GPIO_ACTIVE_HIGH>; |
| 42 | }; |
| 43 | |
| 44 | /* EMMC2 is used to drive the eMMC */ |
| 45 | &emmc2 { |
| 46 | bus-width = <8>; |
| 47 | vqmmc-supply = <&sd_io_1v8_reg>; |
| 48 | vmmc-supply = <&sd_vcc_reg>; |
| 49 | broken-cd; |
| 50 | /* Even the IP block is limited to 100 MHz |
| 51 | * this provides a throughput gain |
| 52 | */ |
| 53 | mmc-hs200-1_8v; |
| 54 | status = "okay"; |
| 55 | }; |
| 56 | |
| 57 | &expgpio { |
| 58 | gpio-line-names = "BT_ON", |
| 59 | "WL_ON", |
| 60 | "PWR_LED_OFF", |
| 61 | "ANT1", |
| 62 | "VDD_SD_IO_SEL", |
| 63 | "CAM_GPIO", |
| 64 | "SD_PWR_ON", |
| 65 | "ANT2"; |
| 66 | |
| 67 | ant1: ant1-hog { |
| 68 | gpio-hog; |
| 69 | gpios = <3 GPIO_ACTIVE_HIGH>; |
| 70 | /* internal antenna enabled */ |
| 71 | output-high; |
| 72 | line-name = "ant1"; |
| 73 | }; |
| 74 | |
| 75 | ant2: ant2-hog { |
| 76 | gpio-hog; |
| 77 | gpios = <7 GPIO_ACTIVE_HIGH>; |
| 78 | /* external antenna disabled */ |
| 79 | output-low; |
| 80 | line-name = "ant2"; |
| 81 | }; |
| 82 | }; |
| 83 | |
| 84 | &genet { |
| 85 | phy-handle = <&phy1>; |
| 86 | phy-mode = "rgmii-rxid"; |
| 87 | status = "okay"; |
| 88 | }; |
| 89 | |
| 90 | &genet_mdio { |
| 91 | phy1: ethernet-phy@0 { |
| 92 | /* No PHY interrupt */ |
| 93 | reg = <0x0>; |
| 94 | }; |
| 95 | }; |
| 96 | |
| 97 | /* uart0 communicates with the BT module */ |
| 98 | &uart0 { |
| 99 | pinctrl-names = "default"; |
| 100 | pinctrl-0 = <&uart0_ctsrts_gpio30 &uart0_gpio32>; |
| 101 | uart-has-rtscts; |
| 102 | }; |
| 103 | |
| 104 | /* uart1 is mapped to the pin header */ |
| 105 | &uart1 { |
| 106 | pinctrl-names = "default"; |
| 107 | pinctrl-0 = <&uart1_gpio14>; |
| 108 | status = "okay"; |
| 109 | }; |
| 110 | |
| 111 | &wifi_pwrseq { |
| 112 | reset-gpios = <&expgpio 1 GPIO_ACTIVE_LOW>; |
| 113 | }; |