1// SPDX-License-Identifier: GPL-2.0+ OR MIT
2/*
3 * Copyright (C) 2022 Kontron Electronics GmbH
4 */
5
6#include <dt-bindings/interrupt-controller/irq.h>
7#include "imx8mm.dtsi"
8
9/ {
10	model = "Kontron OSM-S i.MX8MM (N802X SOM)";
11	compatible = "kontron,imx8mm-osm-s", "fsl,imx8mm";
12
13	aliases {
14		rtc0 = &rv3028;
15		rtc1 = &snvs_rtc;
16	};
17
18	memory@40000000 {
19		device_type = "memory";
20		/*
21		 * There are multiple SoM flavors with different DDR sizes.
22		 * The smallest is 1GB. For larger sizes the bootloader will
23		 * update the reg property.
24		 */
25		reg = <0x0 0x40000000 0 0x80000000>;
26	};
27
28	chosen {
29		stdout-path = &uart3;
30	};
31};
32
33&A53_0 {
34	cpu-supply = <&reg_vdd_arm>;
35};
36
37&A53_1 {
38	cpu-supply = <&reg_vdd_arm>;
39};
40
41&A53_2 {
42	cpu-supply = <&reg_vdd_arm>;
43};
44
45&A53_3 {
46	cpu-supply = <&reg_vdd_arm>;
47};
48
49&ddrc {
50	operating-points-v2 = <&ddrc_opp_table>;
51
52	ddrc_opp_table: opp-table {
53		compatible = "operating-points-v2";
54
55		opp-100000000 {
56			opp-hz = /bits/ 64 <100000000>;
57		};
58
59		opp-750000000 {
60			opp-hz = /bits/ 64 <750000000>;
61		};
62	};
63};
64
65&ecspi1 {
66	pinctrl-names = "default";
67	pinctrl-0 = <&pinctrl_ecspi1>;
68	cs-gpios = <&gpio5 9 GPIO_ACTIVE_LOW>;
69	status = "okay";
70
71	flash@0 {
72		compatible = "mxicy,mx25r1635f", "jedec,spi-nor";
73		spi-max-frequency = <80000000>;
74		reg = <0>;
75
76		partitions {
77			compatible = "fixed-partitions";
78			#address-cells = <1>;
79			#size-cells = <1>;
80
81			partition@0 {
82				label = "u-boot";
83				reg = <0x0 0x1e0000>;
84			};
85
86			partition@1e0000 {
87				label = "env";
88				reg = <0x1e0000 0x10000>;
89			};
90
91			partition@1f0000 {
92				label = "env_redundant";
93				reg = <0x1f0000 0x10000>;
94			};
95		};
96	};
97};
98
99&i2c1 {
100	clock-frequency = <400000>;
101	pinctrl-names = "default";
102	pinctrl-0 = <&pinctrl_i2c1>;
103	status = "okay";
104
105	pca9450: pmic@25 {
106		compatible = "nxp,pca9450a";
107		reg = <0x25>;
108		pinctrl-names = "default";
109		pinctrl-0 = <&pinctrl_pmic>;
110		interrupt-parent = <&gpio1>;
111		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
112
113		regulators {
114			reg_vdd_soc: BUCK1 {
115				regulator-name = "+0V8_VDD_SOC (BUCK1)";
116				regulator-min-microvolt = <800000>;
117				regulator-max-microvolt = <850000>;
118				regulator-boot-on;
119				regulator-always-on;
120				regulator-ramp-delay = <3125>;
121				nxp,dvs-run-voltage = <850000>;
122				nxp,dvs-standby-voltage = <800000>;
123			};
124
125			reg_vdd_arm: BUCK2 {
126				regulator-name = "+0V9_VDD_ARM (BUCK2)";
127				regulator-min-microvolt = <850000>;
128				regulator-max-microvolt = <950000>;
129				regulator-boot-on;
130				regulator-always-on;
131				regulator-ramp-delay = <3125>;
132				nxp,dvs-run-voltage = <950000>;
133				nxp,dvs-standby-voltage = <850000>;
134			};
135
136			reg_vdd_dram: BUCK3 {
137				regulator-name = "+0V9_VDD_DRAM&PU (BUCK3)";
138				regulator-min-microvolt = <850000>;
139				regulator-max-microvolt = <950000>;
140				regulator-boot-on;
141				regulator-always-on;
142			};
143
144			reg_vdd_3v3: BUCK4 {
145				regulator-name = "+3V3 (BUCK4)";
146				regulator-min-microvolt = <3300000>;
147				regulator-max-microvolt = <3300000>;
148				regulator-boot-on;
149				regulator-always-on;
150			};
151
152			reg_vdd_1v8: BUCK5 {
153				regulator-name = "+1V8 (BUCK5)";
154				regulator-min-microvolt = <1800000>;
155				regulator-max-microvolt = <1800000>;
156				regulator-boot-on;
157				regulator-always-on;
158			};
159
160			reg_nvcc_dram: BUCK6 {
161				regulator-name = "+1V1_NVCC_DRAM (BUCK6)";
162				regulator-min-microvolt = <1100000>;
163				regulator-max-microvolt = <1100000>;
164				regulator-boot-on;
165				regulator-always-on;
166			};
167
168			reg_nvcc_snvs: LDO1 {
169				regulator-name = "+1V8_NVCC_SNVS (LDO1)";
170				regulator-min-microvolt = <1800000>;
171				regulator-max-microvolt = <1800000>;
172				regulator-boot-on;
173				regulator-always-on;
174			};
175
176			reg_vdd_snvs: LDO2 {
177				regulator-name = "+0V8_VDD_SNVS (LDO2)";
178				regulator-min-microvolt = <800000>;
179				regulator-max-microvolt = <900000>;
180				regulator-boot-on;
181				regulator-always-on;
182			};
183
184			reg_vdda: LDO3 {
185				regulator-name = "+1V8_VDDA (LDO3)";
186				regulator-min-microvolt = <1800000>;
187				regulator-max-microvolt = <1800000>;
188				regulator-boot-on;
189				regulator-always-on;
190			};
191
192			reg_vdd_phy: LDO4 {
193				regulator-name = "+0V9_VDD_PHY (LDO4)";
194				regulator-min-microvolt = <900000>;
195				regulator-max-microvolt = <900000>;
196				regulator-boot-on;
197				regulator-always-on;
198			};
199
200			reg_nvcc_sd: LDO5 {
201				regulator-name = "NVCC_SD (LDO5)";
202				regulator-min-microvolt = <1800000>;
203				regulator-max-microvolt = <3300000>;
204			};
205		};
206	};
207
208	rv3028: rtc@52 {
209		compatible = "microcrystal,rv3028";
210		reg = <0x52>;
211		pinctrl-names = "default";
212		pinctrl-0 = <&pinctrl_rtc>;
213		interrupts-extended = <&gpio4 1 IRQ_TYPE_LEVEL_HIGH>;
214		trickle-diode-disable;
215	};
216};
217
218&uart3 { /* console */
219	pinctrl-names = "default";
220	pinctrl-0 = <&pinctrl_uart3>;
221	status = "okay";
222};
223
224&usdhc1 {
225	pinctrl-names = "default", "state_100mhz", "state_200mhz";
226	pinctrl-0 = <&pinctrl_usdhc1>;
227	pinctrl-1 = <&pinctrl_usdhc1_100mhz>;
228	pinctrl-2 = <&pinctrl_usdhc1_200mhz>;
229	vmmc-supply = <&reg_vdd_3v3>;
230	vqmmc-supply = <&reg_vdd_1v8>;
231	bus-width = <8>;
232	non-removable;
233	status = "okay";
234};
235
236&wdog1 {
237	pinctrl-names = "default";
238	pinctrl-0 = <&pinctrl_wdog>;
239	fsl,ext-reset-output;
240	status = "okay";
241};
242
243&iomuxc {
244	pinctrl_ecspi1: ecspi1grp {
245		fsl,pins = <
246			MX8MM_IOMUXC_ECSPI1_MISO_ECSPI1_MISO		0x82
247			MX8MM_IOMUXC_ECSPI1_MOSI_ECSPI1_MOSI		0x82
248			MX8MM_IOMUXC_ECSPI1_SCLK_ECSPI1_SCLK		0x82
249			MX8MM_IOMUXC_ECSPI1_SS0_GPIO5_IO9		0x19
250		>;
251	};
252
253	pinctrl_i2c1: i2c1grp {
254		fsl,pins = <
255			MX8MM_IOMUXC_I2C1_SCL_I2C1_SCL			0x400001c3
256			MX8MM_IOMUXC_I2C1_SDA_I2C1_SDA			0x400001c3
257		>;
258	};
259
260	pinctrl_pmic: pmicgrp {
261		fsl,pins = <
262			MX8MM_IOMUXC_GPIO1_IO00_GPIO1_IO0		0x141
263		>;
264	};
265
266	pinctrl_rtc: rtcgrp {
267		fsl,pins = <
268			MX8MM_IOMUXC_SAI1_RXC_GPIO4_IO1			0x19
269		>;
270	};
271
272	pinctrl_uart3: uart3grp {
273		fsl,pins = <
274			MX8MM_IOMUXC_UART3_RXD_UART3_DCE_RX		0x140
275			MX8MM_IOMUXC_UART3_TXD_UART3_DCE_TX		0x140
276		>;
277	};
278
279	pinctrl_usdhc1: usdhc1grp {
280		fsl,pins = <
281			MX8MM_IOMUXC_SD1_CLK_USDHC1_CLK			0x190
282			MX8MM_IOMUXC_SD1_CMD_USDHC1_CMD			0x1d0
283			MX8MM_IOMUXC_SD1_DATA0_USDHC1_DATA0		0x1d0
284			MX8MM_IOMUXC_SD1_DATA1_USDHC1_DATA1		0x1d0
285			MX8MM_IOMUXC_SD1_DATA2_USDHC1_DATA2		0x1d0
286			MX8MM_IOMUXC_SD1_DATA3_USDHC1_DATA3		0x1d0
287			MX8MM_IOMUXC_SD1_DATA4_USDHC1_DATA4		0x1d0
288			MX8MM_IOMUXC_SD1_DATA5_USDHC1_DATA5		0x1d0
289			MX8MM_IOMUXC_SD1_DATA6_USDHC1_DATA6		0x1d0
290			MX8MM_IOMUXC_SD1_DATA7_USDHC1_DATA7		0x1d0
291			MX8MM_IOMUXC_SD1_RESET_B_USDHC1_RESET_B		0x019
292			MX8MM_IOMUXC_SD1_STROBE_USDHC1_STROBE		0x190
293		>;
294	};
295
296	pinctrl_usdhc1_100mhz: usdhc1-100mhzgrp {
297		fsl,pins = <
298			MX8MM_IOMUXC_SD1_CLK_USDHC1_CLK			0x194
299			MX8MM_IOMUXC_SD1_CMD_USDHC1_CMD			0x1d4
300			MX8MM_IOMUXC_SD1_DATA0_USDHC1_DATA0		0x1d4
301			MX8MM_IOMUXC_SD1_DATA1_USDHC1_DATA1		0x1d4
302			MX8MM_IOMUXC_SD1_DATA2_USDHC1_DATA2		0x1d4
303			MX8MM_IOMUXC_SD1_DATA3_USDHC1_DATA3		0x1d4
304			MX8MM_IOMUXC_SD1_DATA4_USDHC1_DATA4		0x1d4
305			MX8MM_IOMUXC_SD1_DATA5_USDHC1_DATA5		0x1d4
306			MX8MM_IOMUXC_SD1_DATA6_USDHC1_DATA6		0x1d4
307			MX8MM_IOMUXC_SD1_DATA7_USDHC1_DATA7		0x1d4
308			MX8MM_IOMUXC_SD1_RESET_B_USDHC1_RESET_B		0x019
309			MX8MM_IOMUXC_SD1_STROBE_USDHC1_STROBE		0x194
310		>;
311	};
312
313	pinctrl_usdhc1_200mhz: usdhc1-200mhzgrp {
314		fsl,pins = <
315			MX8MM_IOMUXC_SD1_CLK_USDHC1_CLK			0x196
316			MX8MM_IOMUXC_SD1_CMD_USDHC1_CMD			0x1d6
317			MX8MM_IOMUXC_SD1_DATA0_USDHC1_DATA0		0x1d6
318			MX8MM_IOMUXC_SD1_DATA1_USDHC1_DATA1		0x1d6
319			MX8MM_IOMUXC_SD1_DATA2_USDHC1_DATA2		0x1d6
320			MX8MM_IOMUXC_SD1_DATA3_USDHC1_DATA3		0x1d6
321			MX8MM_IOMUXC_SD1_DATA4_USDHC1_DATA4		0x1d6
322			MX8MM_IOMUXC_SD1_DATA5_USDHC1_DATA5		0x1d6
323			MX8MM_IOMUXC_SD1_DATA6_USDHC1_DATA6		0x1d6
324			MX8MM_IOMUXC_SD1_DATA7_USDHC1_DATA7		0x1d6
325			MX8MM_IOMUXC_SD1_RESET_B_USDHC1_RESET_B		0x019
326			MX8MM_IOMUXC_SD1_STROBE_USDHC1_STROBE		0x196
327		>;
328	};
329
330	pinctrl_wdog: wdoggrp {
331		fsl,pins = <
332			MX8MM_IOMUXC_GPIO1_IO02_WDOG1_WDOG_B		0xc6
333		>;
334	};
335};
336