1// SPDX-License-Identifier: GPL-2.0-only 2/* 3 * Copyright (C) 2015 Jablotron s.r.o. -- https://www.jablotron.com/ 4 * Author: Rostislav Lisovy <lisovy@jablotron.cz> 5 */ 6#include "am33xx.dtsi" 7#include <dt-bindings/interrupt-controller/irq.h> 8 9/ { 10 model = "Grinn AM335x ChiliSOM"; 11 compatible = "grinn,am335x-chilisom", "ti,am33xx"; 12 13 cpus { 14 cpu@0 { 15 cpu0-supply = <&dcdc2_reg>; 16 }; 17 }; 18 19 memory@80000000 { 20 device_type = "memory"; 21 reg = <0x80000000 0x20000000>; /* 512 MB */ 22 }; 23}; 24 25&am33xx_pinmux { 26 pinctrl-names = "default"; 27 28 i2c0_pins: i2c0-pins { 29 pinctrl-single,pins = < 30 AM33XX_PADCONF(AM335X_PIN_I2C0_SDA, PIN_INPUT_PULLUP, MUX_MODE0) 31 AM33XX_PADCONF(AM335X_PIN_I2C0_SCL, PIN_INPUT_PULLUP, MUX_MODE0) 32 >; 33 }; 34 35 nandflash_pins: nandflash-pins { 36 pinctrl-single,pins = < 37 AM33XX_PADCONF(AM335X_PIN_GPMC_AD0, PIN_INPUT_PULLDOWN, MUX_MODE0) 38 AM33XX_PADCONF(AM335X_PIN_GPMC_AD1, PIN_INPUT_PULLDOWN, MUX_MODE0) 39 AM33XX_PADCONF(AM335X_PIN_GPMC_AD2, PIN_INPUT_PULLDOWN, MUX_MODE0) 40 AM33XX_PADCONF(AM335X_PIN_GPMC_AD3, PIN_INPUT_PULLDOWN, MUX_MODE0) 41 AM33XX_PADCONF(AM335X_PIN_GPMC_AD4, PIN_INPUT_PULLDOWN, MUX_MODE0) 42 AM33XX_PADCONF(AM335X_PIN_GPMC_AD5, PIN_INPUT_PULLDOWN, MUX_MODE0) 43 AM33XX_PADCONF(AM335X_PIN_GPMC_AD6, PIN_INPUT_PULLDOWN, MUX_MODE0) 44 AM33XX_PADCONF(AM335X_PIN_GPMC_AD7, PIN_INPUT_PULLDOWN, MUX_MODE0) 45 46 AM33XX_PADCONF(AM335X_PIN_GPMC_WAIT0, PIN_INPUT_PULLUP, MUX_MODE0) 47 AM33XX_PADCONF(AM335X_PIN_GPMC_CSN0, PIN_OUTPUT_PULLUP, MUX_MODE0) 48 AM33XX_PADCONF(AM335X_PIN_GPMC_ADVN_ALE, PIN_OUTPUT_PULLUP, MUX_MODE0) 49 AM33XX_PADCONF(AM335X_PIN_GPMC_OEN_REN, PIN_OUTPUT_PULLUP, MUX_MODE0) 50 AM33XX_PADCONF(AM335X_PIN_GPMC_WEN, PIN_OUTPUT_PULLUP, MUX_MODE0) 51 AM33XX_PADCONF(AM335X_PIN_GPMC_BEN0_CLE, PIN_OUTPUT_PULLUP, MUX_MODE0) 52 >; 53 }; 54}; 55 56&i2c0 { 57 pinctrl-names = "default"; 58 pinctrl-0 = <&i2c0_pins>; 59 60 status = "okay"; 61 clock-frequency = <400000>; 62 63 tps: tps@24 { 64 reg = <0x24>; 65 }; 66 67}; 68 69/include/ "../../tps65217.dtsi" 70 71&tps { 72 regulators { 73 dcdc1_reg: regulator@0 { 74 regulator-name = "vdds_dpr"; 75 regulator-always-on; 76 }; 77 78 dcdc2_reg: regulator@1 { 79 /* VDD_MPU voltage limits 0.95V - 1.26V with +/-4% tolerance */ 80 regulator-name = "vdd_mpu"; 81 regulator-min-microvolt = <925000>; 82 regulator-max-microvolt = <1325000>; 83 regulator-boot-on; 84 regulator-always-on; 85 }; 86 87 dcdc3_reg: regulator@2 { 88 /* VDD_CORE voltage limits 0.95V - 1.1V with +/-4% tolerance */ 89 regulator-name = "vdd_core"; 90 regulator-min-microvolt = <925000>; 91 regulator-max-microvolt = <1150000>; 92 regulator-boot-on; 93 regulator-always-on; 94 }; 95 96 ldo1_reg: regulator@3 { 97 regulator-name = "vio,vrtc,vdds"; 98 regulator-boot-on; 99 regulator-always-on; 100 }; 101 102 ldo2_reg: regulator@4 { 103 regulator-name = "vdd_3v3aux"; 104 regulator-boot-on; 105 regulator-always-on; 106 }; 107 108 ldo3_reg: regulator@5 { 109 regulator-name = "vdd_1v8"; 110 regulator-boot-on; 111 regulator-always-on; 112 }; 113 114 ldo4_reg: regulator@6 { 115 regulator-name = "vdd_3v3d"; 116 regulator-boot-on; 117 regulator-always-on; 118 }; 119 }; 120}; 121 122&rtc { 123 system-power-controller; 124 125 pinctrl-0 = <&ext_wakeup>; 126 pinctrl-names = "default"; 127 128 ext_wakeup: ext-wakeup { 129 pins = "ext_wakeup0"; 130 input-enable; 131 }; 132}; 133 134/* NAND Flash */ 135&elm { 136 status = "okay"; 137}; 138 139&gpmc { 140 status = "okay"; 141 pinctrl-names = "default"; 142 pinctrl-0 = <&nandflash_pins>; 143 ranges = <0 0 0x08000000 0x01000000>; /* CS0 0 @addr 0x08000000, size 0x01000000 */ 144 nand@0,0 { 145 compatible = "ti,omap2-nand"; 146 reg = <0 0 4>; /* CS0, offset 0, IO size 4 */ 147 interrupt-parent = <&gpmc>; 148 interrupts = <0 IRQ_TYPE_NONE>, /* fifoevent */ 149 <1 IRQ_TYPE_NONE>; /* termcount */ 150 rb-gpios = <&gpmc 0 GPIO_ACTIVE_HIGH>; /* gpmc_wait0 */ 151 ti,nand-ecc-opt = "bch8"; 152 ti,elm-id = <&elm>; 153 nand-bus-width = <8>; 154 gpmc,device-width = <1>; 155 gpmc,sync-clk-ps = <0>; 156 gpmc,cs-on-ns = <0>; 157 gpmc,cs-rd-off-ns = <44>; 158 gpmc,cs-wr-off-ns = <44>; 159 gpmc,adv-on-ns = <6>; 160 gpmc,adv-rd-off-ns = <34>; 161 gpmc,adv-wr-off-ns = <44>; 162 gpmc,we-on-ns = <0>; 163 gpmc,we-off-ns = <40>; 164 gpmc,oe-on-ns = <0>; 165 gpmc,oe-off-ns = <54>; 166 gpmc,access-ns = <64>; 167 gpmc,rd-cycle-ns = <82>; 168 gpmc,wr-cycle-ns = <82>; 169 gpmc,bus-turnaround-ns = <0>; 170 gpmc,cycle2cycle-delay-ns = <0>; 171 gpmc,clk-activation-ns = <0>; 172 gpmc,wr-access-ns = <40>; 173 gpmc,wr-data-mux-bus-ns = <0>; 174 }; 175}; 176