xref: /linux/arch/arm64/boot/dts/renesas/rzg3s-smarc-som.dtsi (revision 92815da4576a495cb6362cdfb132152fccc2222d) 
1// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2/*
3 * Device Tree Source for the R9A08G045S33 SMARC Carrier-II's SoM board.
4 *
5 * Copyright (C) 2023 Renesas Electronics Corp.
6 */
7
8#include <dt-bindings/gpio/gpio.h>
9#include <dt-bindings/pinctrl/rzg2l-pinctrl.h>
10
11/*
12 * On-board switches' states:
13 * @SW_OFF: switch's state is OFF
14 * @SW_ON:  switch's state is ON
15 */
16#define SW_OFF		0
17#define SW_ON		1
18
19/*
20 * SW_CONFIG[x] switches' states:
21 * @SW_CONFIG2:
22 *	SW_OFF - SD0 is connected to eMMC
23 *	SW_ON  - SD0 is connected to uSD0 card
24 * @SW_CONFIG3:
25 *	SW_OFF - SD2 is connected to SoC
26 *	SW_ON  - SCIF1, SSI0, IRQ0, IRQ1 connected to SoC
27 */
28#define SW_CONFIG2	SW_OFF
29#define SW_CONFIG3	SW_ON
30
31/ {
32	compatible = "renesas,rzg3s-smarcm", "renesas,r9a08g045s33", "renesas,r9a08g045";
33
34	aliases {
35		mmc0 = &sdhi0;
36#if SW_CONFIG3 == SW_OFF
37		mmc2 = &sdhi2;
38#else
39		ethernet0 = &eth0;
40		ethernet1 = &eth1;
41#endif
42	};
43
44	chosen {
45		bootargs = "ignore_loglevel";
46		stdout-path = "serial0:115200n8";
47	};
48
49	memory@48000000 {
50		device_type = "memory";
51		/* First 128MB is reserved for secure area. */
52		reg = <0x0 0x48000000 0x0 0x38000000>;
53	};
54
55	vcc_sdhi0: regulator0 {
56		compatible = "regulator-fixed";
57		regulator-name = "SDHI0 Vcc";
58		regulator-min-microvolt = <3300000>;
59		regulator-max-microvolt = <3300000>;
60		gpios = <&pinctrl RZG2L_GPIO(2, 1) GPIO_ACTIVE_HIGH>;
61		enable-active-high;
62	};
63
64#if SW_CONFIG2 == SW_ON
65	vccq_sdhi0: regulator1 {
66		compatible = "regulator-gpio";
67		regulator-name = "SDHI0 VccQ";
68		regulator-min-microvolt = <1800000>;
69		regulator-max-microvolt = <3300000>;
70		gpios = <&pinctrl RZG2L_GPIO(2, 2) GPIO_ACTIVE_HIGH>;
71		gpios-states = <1>;
72		states = <3300000 1>, <1800000 0>;
73	};
74#else
75	reg_1p8v: regulator1 {
76		compatible = "regulator-fixed";
77		regulator-name = "fixed-1.8V";
78		regulator-min-microvolt = <1800000>;
79		regulator-max-microvolt = <1800000>;
80		regulator-boot-on;
81		regulator-always-on;
82	};
83#endif
84
85	vcc_sdhi2: regulator2 {
86		compatible = "regulator-fixed";
87		regulator-name = "SDHI2 Vcc";
88		regulator-min-microvolt = <3300000>;
89		regulator-max-microvolt = <3300000>;
90		gpios = <&pinctrl RZG2L_GPIO(8, 1) GPIO_ACTIVE_HIGH>;
91		enable-active-high;
92	};
93};
94
95#if SW_CONFIG3 == SW_ON
96&eth0 {
97	pinctrl-0 = <&eth0_pins>;
98	pinctrl-names = "default";
99	phy-handle = <&phy0>;
100	phy-mode = "rgmii-id";
101	status = "okay";
102
103	phy0: ethernet-phy@7 {
104		reg = <7>;
105		interrupt-parent = <&pinctrl>;
106		interrupts = <RZG2L_GPIO(12, 0) IRQ_TYPE_EDGE_FALLING>;
107		rxc-skew-psec = <0>;
108		txc-skew-psec = <0>;
109		rxdv-skew-psec = <0>;
110		txen-skew-psec = <0>;
111		rxd0-skew-psec = <0>;
112		rxd1-skew-psec = <0>;
113		rxd2-skew-psec = <0>;
114		rxd3-skew-psec = <0>;
115		txd0-skew-psec = <0>;
116		txd1-skew-psec = <0>;
117		txd2-skew-psec = <0>;
118		txd3-skew-psec = <0>;
119	};
120};
121
122&eth1 {
123	pinctrl-0 = <&eth1_pins>;
124	pinctrl-names = "default";
125	phy-handle = <&phy1>;
126	phy-mode = "rgmii-id";
127	status = "okay";
128
129	phy1: ethernet-phy@7 {
130		reg = <7>;
131		interrupt-parent = <&pinctrl>;
132		interrupts = <RZG2L_GPIO(12, 1) IRQ_TYPE_EDGE_FALLING>;
133		rxc-skew-psec = <0>;
134		txc-skew-psec = <0>;
135		rxdv-skew-psec = <0>;
136		txen-skew-psec = <0>;
137		rxd0-skew-psec = <0>;
138		rxd1-skew-psec = <0>;
139		rxd2-skew-psec = <0>;
140		rxd3-skew-psec = <0>;
141		txd0-skew-psec = <0>;
142		txd1-skew-psec = <0>;
143		txd2-skew-psec = <0>;
144		txd3-skew-psec = <0>;
145	};
146};
147#endif
148
149&extal_clk {
150	clock-frequency = <24000000>;
151};
152
153#if SW_CONFIG2 == SW_ON
154/* SD0 slot */
155&sdhi0 {
156	pinctrl-0 = <&sdhi0_pins>;
157	pinctrl-1 = <&sdhi0_uhs_pins>;
158	pinctrl-names = "default", "state_uhs";
159	vmmc-supply = <&vcc_sdhi0>;
160	vqmmc-supply = <&vccq_sdhi0>;
161	bus-width = <4>;
162	sd-uhs-sdr50;
163	sd-uhs-sdr104;
164	max-frequency = <125000000>;
165	status = "okay";
166};
167#else
168/* eMMC */
169&sdhi0 {
170	pinctrl-0 = <&sdhi0_emmc_pins>;
171	pinctrl-1 = <&sdhi0_emmc_pins>;
172	pinctrl-names = "default", "state_uhs";
173	vmmc-supply = <&vcc_sdhi0>;
174	vqmmc-supply = <&reg_1p8v>;
175	bus-width = <8>;
176	mmc-hs200-1_8v;
177	non-removable;
178	fixed-emmc-driver-type = <1>;
179	max-frequency = <125000000>;
180	status = "okay";
181};
182#endif
183
184#if SW_CONFIG3 == SW_OFF
185&sdhi2 {
186	pinctrl-0 = <&sdhi2_pins>;
187	pinctrl-names = "default";
188	vmmc-supply = <&vcc_sdhi2>;
189	bus-width = <4>;
190	max-frequency = <50000000>;
191	status = "okay";
192};
193#endif
194
195&pinctrl {
196#if SW_CONFIG3 == SW_ON
197	eth0-phy-irq-hog {
198		gpio-hog;
199		gpios = <RZG2L_GPIO(12, 0) GPIO_ACTIVE_LOW>;
200		input;
201		line-name = "eth0-phy-irq";
202	};
203#endif
204
205	eth0_pins: eth0 {
206		txc {
207			pinmux = <RZG2L_PORT_PINMUX(1, 0, 1)>;  /* ET0_TXC */
208			power-source = <1800>;
209			output-enable;
210			input-enable;
211			drive-strength-microamp = <5200>;
212		};
213
214		tx_ctl {
215			pinmux = <RZG2L_PORT_PINMUX(1, 1, 1)>;  /* ET0_TX_CTL */
216			power-source = <1800>;
217			output-enable;
218			drive-strength-microamp = <5200>;
219		};
220
221		mux {
222			pinmux = <RZG2L_PORT_PINMUX(1, 2, 1)>,	/* ET0_TXD0 */
223				 <RZG2L_PORT_PINMUX(1, 3, 1)>,	/* ET0_TXD1 */
224				 <RZG2L_PORT_PINMUX(1, 4, 1)>,	/* ET0_TXD2 */
225				 <RZG2L_PORT_PINMUX(2, 0, 1)>,	/* ET0_TXD3 */
226				 <RZG2L_PORT_PINMUX(3, 0, 1)>,	/* ET0_RXC */
227				 <RZG2L_PORT_PINMUX(3, 1, 1)>,	/* ET0_RX_CTL */
228				 <RZG2L_PORT_PINMUX(3, 2, 1)>,	/* ET0_RXD0 */
229				 <RZG2L_PORT_PINMUX(3, 3, 1)>,	/* ET0_RXD1 */
230				 <RZG2L_PORT_PINMUX(4, 0, 1)>,	/* ET0_RXD2 */
231				 <RZG2L_PORT_PINMUX(4, 1, 1)>,	/* ET0_RXD3 */
232				 <RZG2L_PORT_PINMUX(4, 3, 1)>,	/* ET0_MDC */
233				 <RZG2L_PORT_PINMUX(4, 4, 1)>,	/* ET0_MDIO */
234				 <RZG2L_PORT_PINMUX(4, 5, 1)>;	/* ET0_LINKSTA */
235			power-source = <1800>;
236		};
237	};
238
239#if SW_CONFIG3 == SW_ON
240	eth1-phy-irq-hog {
241		gpio-hog;
242		gpios = <RZG2L_GPIO(12, 1) GPIO_ACTIVE_LOW>;
243		input;
244		line-name = "eth1-phy-irq";
245	};
246#endif
247
248	eth1_pins: eth1 {
249		txc {
250			pinmux = <RZG2L_PORT_PINMUX(7, 0, 1)>;	/* ET1_TXC */
251			power-source = <1800>;
252			output-enable;
253			input-enable;
254			drive-strength-microamp = <5200>;
255		};
256
257		tx_ctl {
258			pinmux = <RZG2L_PORT_PINMUX(7, 1, 1)>;	/* ET1_TX_CTL */
259			power-source = <1800>;
260			output-enable;
261			drive-strength-microamp = <5200>;
262		};
263
264		mux {
265			pinmux = <RZG2L_PORT_PINMUX(7, 2, 1)>,	/* ET1_TXD0 */
266				 <RZG2L_PORT_PINMUX(7, 3, 1)>,	/* ET1_TXD1 */
267				 <RZG2L_PORT_PINMUX(7, 4, 1)>,	/* ET1_TXD2 */
268				 <RZG2L_PORT_PINMUX(8, 0, 1)>,	/* ET1_TXD3 */
269				 <RZG2L_PORT_PINMUX(8, 4, 1)>,	/* ET1_RXC */
270				 <RZG2L_PORT_PINMUX(9, 0, 1)>,	/* ET1_RX_CTL */
271				 <RZG2L_PORT_PINMUX(9, 1, 1)>,	/* ET1_RXD0 */
272				 <RZG2L_PORT_PINMUX(9, 2, 1)>,	/* ET1_RXD1 */
273				 <RZG2L_PORT_PINMUX(9, 3, 1)>,	/* ET1_RXD2 */
274				 <RZG2L_PORT_PINMUX(10, 0, 1)>,	/* ET1_RXD3 */
275				 <RZG2L_PORT_PINMUX(10, 2, 1)>,	/* ET1_MDC */
276				 <RZG2L_PORT_PINMUX(10, 3, 1)>,	/* ET1_MDIO */
277				 <RZG2L_PORT_PINMUX(10, 4, 1)>;	/* ET1_LINKSTA */
278			power-source = <1800>;
279		};
280	};
281
282	sdhi0_pins: sd0 {
283		data {
284			pins = "SD0_DATA0", "SD0_DATA1", "SD0_DATA2", "SD0_DATA3";
285			power-source = <3300>;
286		};
287
288		ctrl {
289			pins = "SD0_CLK", "SD0_CMD";
290			power-source = <3300>;
291		};
292
293		cd {
294			pinmux = <RZG2L_PORT_PINMUX(0, 0, 1)>; /* SD0_CD */
295		};
296	};
297
298	sdhi0_uhs_pins: sd0-uhs {
299		data {
300			pins = "SD0_DATA0", "SD0_DATA1", "SD0_DATA2", "SD0_DATA3";
301			power-source = <1800>;
302		};
303
304		ctrl {
305			pins = "SD0_CLK", "SD0_CMD";
306			power-source = <1800>;
307		};
308
309		cd {
310			pinmux = <RZG2L_PORT_PINMUX(0, 0, 1)>; /* SD0_CD */
311		};
312	};
313
314	sdhi0_emmc_pins: sd0-emmc {
315		pins = "SD0_DATA0", "SD0_DATA1", "SD0_DATA2", "SD0_DATA3",
316		       "SD0_DATA4", "SD0_DATA5", "SD0_DATA6", "SD0_DATA7",
317		       "SD0_CLK", "SD0_CMD", "SD0_RST#";
318		power-source = <1800>;
319	};
320
321	sdhi2_pins: sd2 {
322		data {
323			pins = "P11_2", "P11_3", "P12_0", "P12_1";
324			input-enable;
325		};
326
327		ctrl {
328			pins = "P11_1";
329			input-enable;
330		};
331
332		mux {
333			pinmux = <RZG2L_PORT_PINMUX(11, 0, 8)>, /* SD2_CLK */
334				 <RZG2L_PORT_PINMUX(11, 1, 8)>, /* SD2_CMD */
335				 <RZG2L_PORT_PINMUX(11, 2, 8)>, /* SD2_DATA0 */
336				 <RZG2L_PORT_PINMUX(11, 3, 8)>, /* SD2_DATA1 */
337				 <RZG2L_PORT_PINMUX(12, 0, 8)>, /* SD2_DATA2 */
338				 <RZG2L_PORT_PINMUX(12, 1, 8)>, /* SD2_DATA3 */
339				 <RZG2L_PORT_PINMUX(14, 1, 7)>; /* SD2_CD# */
340		};
341	};
342};
343
344&wdt0 {
345	timeout-sec = <60>;
346	status = "okay";
347};
348