1 // SPDX-License-Identifier: GPL-2.0-only OR MIT
2 /*
3 * AM62x LP SK: https://www.ti.com/tool/SK-AM62-LP
4 *
5 * Copyright (C) 2021-2024 Texas Instruments Incorporated - https://www.ti.com/
6 */
7
8 /dts-v1/;
9
10 #include "k3-am62x-sk-common.dtsi"
11
12 / {
13 compatible = "ti,am62-lp-sk", "ti,am625";
14 model = "Texas Instruments AM62x LP SK";
15
16 vmain_pd: regulator-0 {
17 /* TPS65988 PD CONTROLLER OUTPUT */
18 compatible = "regulator-fixed";
19 regulator-name = "vmain_pd";
20 regulator-min-microvolt = <5000000>;
21 regulator-max-microvolt = <5000000>;
22 regulator-always-on;
23 regulator-boot-on;
24 };
25
26 vcc_5v0: regulator-1 {
27 /* Output of TPS630702RNMR */
28 compatible = "regulator-fixed";
29 regulator-name = "vcc_5v0";
30 regulator-min-microvolt = <5000000>;
31 regulator-max-microvolt = <5000000>;
32 vin-supply = <&vmain_pd>;
33 regulator-always-on;
34 regulator-boot-on;
35 };
36
37 vcc_3v3_sys: regulator-2 {
38 /* output of LM61460-Q1 */
39 compatible = "regulator-fixed";
40 regulator-name = "vcc_3v3_sys";
41 regulator-min-microvolt = <3300000>;
42 regulator-max-microvolt = <3300000>;
43 vin-supply = <&vmain_pd>;
44 regulator-always-on;
45 regulator-boot-on;
46 };
47
48 vdd_mmc1: regulator-3 {
49 /* TPS22918DBVR */
50 compatible = "regulator-fixed";
51 regulator-name = "vdd_mmc1";
52 regulator-min-microvolt = <3300000>;
53 regulator-max-microvolt = <3300000>;
54 regulator-boot-on;
55 enable-active-high;
56 vin-supply = <&vcc_3v3_sys>;
57 gpio = <&exp1 3 GPIO_ACTIVE_HIGH>;
58 };
59
60 vddshv_sdio: regulator-4 {
61 compatible = "regulator-gpio";
62 regulator-name = "vddshv_sdio";
63 pinctrl-names = "default";
64 pinctrl-0 = <&vddshv_sdio_pins_default>;
65 regulator-min-microvolt = <1800000>;
66 regulator-max-microvolt = <3300000>;
67 regulator-boot-on;
68 vin-supply = <&ldo1_reg>;
69 gpios = <&main_gpio0 31 GPIO_ACTIVE_HIGH>;
70 states = <1800000 0x0>,
71 <3300000 0x1>;
72 };
73 };
74
75 &main_pmx0 {
76 vddshv_sdio_pins_default: vddshv-sdio-default-pins {
77 pinctrl-single,pins = <
78 AM62X_IOPAD(0x07c, PIN_OUTPUT, 7) /* (M19) GPMC0_CLK.GPIO0_31 */
79 >;
80 };
81
82 main_gpio1_ioexp_intr_pins_default: main-gpio1-ioexp-intr-default-pins {
83 pinctrl-single,pins = <
84 AM62X_IOPAD(0x01d4, PIN_INPUT, 7) /* (C13) UART0_RTSn.GPIO1_23 */
85 >;
86 };
87
88 pmic_irq_pins_default: pmic-irq-default-pins {
89 pinctrl-single,pins = <
90 AM62X_IOPAD(0x01f4, PIN_INPUT, 0) /* (B16) EXTINTn */
91 >;
92 };
93 };
94
95 &main_i2c1 {
96 exp1: gpio@22 {
97 compatible = "ti,tca6424";
98 reg = <0x22>;
99 gpio-controller;
100 #gpio-cells = <2>;
101 gpio-line-names = "GPIO_CPSW2_RST", "GPIO_CPSW1_RST",
102 "PRU_DETECT", "MMC1_SD_EN",
103 "VPP_LDO_EN", "EXP_PS_3V3_En",
104 "EXP_PS_5V0_En", "EXP_HAT_DETECT",
105 "GPIO_AUD_RSTn", "GPIO_eMMC_RSTn",
106 "UART1_FET_BUF_EN", "BT_UART_WAKE_SOC",
107 "GPIO_HDMI_RSTn", "CSI_GPIO0",
108 "CSI_GPIO1", "GPIO_OLDI_INT",
109 "HDMI_INTn", "TEST_GPIO2",
110 "MCASP1_FET_EN", "MCASP1_BUF_BT_EN",
111 "MCASP1_FET_SEL", "UART1_FET_SEL",
112 "", "IO_EXP_TEST_LED";
113
114 interrupt-parent = <&main_gpio1>;
115 interrupts = <23 IRQ_TYPE_EDGE_FALLING>;
116 interrupt-controller;
117 #interrupt-cells = <2>;
118
119 pinctrl-names = "default";
120 pinctrl-0 = <&main_gpio1_ioexp_intr_pins_default>;
121 };
122
123 exp2: gpio@23 {
124 compatible = "ti,tca6424";
125 reg = <0x23>;
126 gpio-controller;
127 #gpio-cells = <2>;
128 gpio-line-names = "", "",
129 "", "",
130 "", "",
131 "", "",
132 "WL_LT_EN", "CSI_RSTz",
133 "", "",
134 "", "",
135 "", "",
136 "SPI0_FET_SEL", "SPI0_FET_OE",
137 "GPIO_OLDI_RSTn", "PRU_3V3_EN",
138 "", "",
139 "CSI_VLDO_SEL", "SOC_WLAN_SDIO_RST";
140 };
141 };
142
143 &sdhci1 {
144 vmmc-supply = <&vdd_mmc1>;
145 vqmmc-supply = <&vddshv_sdio>;
146 };
147
148 &cpsw_port2 {
149 status = "disabled";
150 };
151
152 &main_i2c0 {
153 tps65219: pmic@30 {
154 compatible = "ti,tps65219";
155 reg = <0x30>;
156 buck1-supply = <&vcc_3v3_sys>;
157 buck2-supply = <&vcc_3v3_sys>;
158 buck3-supply = <&vcc_3v3_sys>;
159 ldo1-supply = <&vcc_3v3_sys>;
160 ldo2-supply = <&buck2_reg>;
161 ldo3-supply = <&vcc_3v3_sys>;
162 ldo4-supply = <&vcc_3v3_sys>;
163
164 pinctrl-names = "default";
165 pinctrl-0 = <&pmic_irq_pins_default>;
166
167 interrupt-parent = <&gic500>;
168 interrupts = <GIC_SPI 224 IRQ_TYPE_LEVEL_HIGH>;
169
170 regulators {
171 buck1_reg: buck1 {
172 regulator-name = "VDD_CORE";
173 regulator-min-microvolt = <750000>;
174 regulator-max-microvolt = <750000>;
175 regulator-boot-on;
176 regulator-always-on;
177 };
178
179 buck2_reg: buck2 {
180 regulator-name = "VCC1V8_SYS";
181 regulator-min-microvolt = <1800000>;
182 regulator-max-microvolt = <1800000>;
183 regulator-boot-on;
184 regulator-always-on;
185 };
186
187 buck3_reg: buck3 {
188 regulator-name = "VDD_LPDDR4";
189 regulator-min-microvolt = <1100000>;
190 regulator-max-microvolt = <1100000>;
191 regulator-boot-on;
192 regulator-always-on;
193 };
194
195 ldo1_reg: ldo1 {
196 regulator-name = "VDDSHV_SDIO";
197 regulator-min-microvolt = <3300000>;
198 regulator-max-microvolt = <3300000>;
199 };
200
201 ldo2_reg: ldo2 {
202 regulator-name = "VDDAR_CORE";
203 regulator-min-microvolt = <850000>;
204 regulator-max-microvolt = <850000>;
205 regulator-boot-on;
206 regulator-always-on;
207 };
208
209 ldo3_reg: ldo3 {
210 regulator-name = "VDDA_1V8";
211 regulator-min-microvolt = <1800000>;
212 regulator-max-microvolt = <1800000>;
213 regulator-boot-on;
214 regulator-always-on;
215 };
216
217 ldo4_reg: ldo4 {
218 regulator-name = "VDD_1V2";
219 regulator-min-microvolt = <1200000>;
220 regulator-max-microvolt = <1200000>;
221 regulator-boot-on;
222 regulator-always-on;
223 };
224 };
225 };
226 };
227
228 &tlv320aic3106 {
229 DVDD-supply = <&buck2_reg>;
230 };
231
232 &gpmc0 {
233 ranges = <0 0 0x00 0x51000000 0x01000000>; /* CS0 space. Min partition = 16MB */
234 };
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