xref: /linux/arch/arm64/boot/dts/renesas/rzg3s-smarc-som.dtsi (revision bb9ae1a66c85eeb626864efd812c62026e126ec0) 
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		i2c1 = &i2c1;
36		mmc0 = &sdhi0;
37#if SW_CONFIG3 == SW_OFF
38		mmc2 = &sdhi2;
39#else
40		ethernet0 = &eth0;
41		ethernet1 = &eth1;
42#endif
43	};
44
45	chosen {
46		bootargs = "ignore_loglevel";
47		stdout-path = "serial0:115200n8";
48	};
49
50	memory@48000000 {
51		device_type = "memory";
52		/* First 128MB is reserved for secure area. */
53		reg = <0x0 0x48000000 0x0 0x38000000>;
54	};
55
56	vcc_sdhi0: regulator0 {
57		compatible = "regulator-fixed";
58		regulator-name = "SDHI0 Vcc";
59		regulator-min-microvolt = <3300000>;
60		regulator-max-microvolt = <3300000>;
61		gpios = <&pinctrl RZG2L_GPIO(2, 1) GPIO_ACTIVE_HIGH>;
62		enable-active-high;
63	};
64
65#if SW_CONFIG2 == SW_ON
66	vccq_sdhi0: regulator1 {
67		compatible = "regulator-gpio";
68		regulator-name = "SDHI0 VccQ";
69		regulator-min-microvolt = <1800000>;
70		regulator-max-microvolt = <3300000>;
71		gpios = <&pinctrl RZG2L_GPIO(2, 2) GPIO_ACTIVE_HIGH>;
72		gpios-states = <1>;
73		states = <3300000 1>, <1800000 0>;
74	};
75#else
76	reg_1p8v: regulator1 {
77		compatible = "regulator-fixed";
78		regulator-name = "fixed-1.8V";
79		regulator-min-microvolt = <1800000>;
80		regulator-max-microvolt = <1800000>;
81		regulator-boot-on;
82		regulator-always-on;
83	};
84#endif
85
86	vcc_sdhi2: regulator2 {
87		compatible = "regulator-fixed";
88		regulator-name = "SDHI2 Vcc";
89		regulator-min-microvolt = <3300000>;
90		regulator-max-microvolt = <3300000>;
91		gpios = <&pinctrl RZG2L_GPIO(8, 1) GPIO_ACTIVE_HIGH>;
92		enable-active-high;
93	};
94};
95
96#if SW_CONFIG3 == SW_ON
97&eth0 {
98	pinctrl-0 = <&eth0_pins>;
99	pinctrl-names = "default";
100	phy-handle = <&phy0>;
101	phy-mode = "rgmii-id";
102	status = "okay";
103
104	phy0: ethernet-phy@7 {
105		reg = <7>;
106		interrupt-parent = <&pinctrl>;
107		interrupts = <RZG2L_GPIO(12, 0) IRQ_TYPE_EDGE_FALLING>;
108		rxc-skew-psec = <0>;
109		txc-skew-psec = <0>;
110		rxdv-skew-psec = <0>;
111		txen-skew-psec = <0>;
112		rxd0-skew-psec = <0>;
113		rxd1-skew-psec = <0>;
114		rxd2-skew-psec = <0>;
115		rxd3-skew-psec = <0>;
116		txd0-skew-psec = <0>;
117		txd1-skew-psec = <0>;
118		txd2-skew-psec = <0>;
119		txd3-skew-psec = <0>;
120	};
121};
122
123&eth1 {
124	pinctrl-0 = <&eth1_pins>;
125	pinctrl-names = "default";
126	phy-handle = <&phy1>;
127	phy-mode = "rgmii-id";
128	status = "okay";
129
130	phy1: ethernet-phy@7 {
131		reg = <7>;
132		interrupt-parent = <&pinctrl>;
133		interrupts = <RZG2L_GPIO(12, 1) IRQ_TYPE_EDGE_FALLING>;
134		rxc-skew-psec = <0>;
135		txc-skew-psec = <0>;
136		rxdv-skew-psec = <0>;
137		txen-skew-psec = <0>;
138		rxd0-skew-psec = <0>;
139		rxd1-skew-psec = <0>;
140		rxd2-skew-psec = <0>;
141		rxd3-skew-psec = <0>;
142		txd0-skew-psec = <0>;
143		txd1-skew-psec = <0>;
144		txd2-skew-psec = <0>;
145		txd3-skew-psec = <0>;
146	};
147};
148#endif
149
150&extal_clk {
151	clock-frequency = <24000000>;
152};
153
154&i2c1 {
155	status = "okay";
156};
157
158#if SW_CONFIG2 == SW_ON
159/* SD0 slot */
160&sdhi0 {
161	pinctrl-0 = <&sdhi0_pins>;
162	pinctrl-1 = <&sdhi0_uhs_pins>;
163	pinctrl-names = "default", "state_uhs";
164	vmmc-supply = <&vcc_sdhi0>;
165	vqmmc-supply = <&vccq_sdhi0>;
166	bus-width = <4>;
167	sd-uhs-sdr50;
168	sd-uhs-sdr104;
169	max-frequency = <125000000>;
170	status = "okay";
171};
172#else
173/* eMMC */
174&sdhi0 {
175	pinctrl-0 = <&sdhi0_emmc_pins>;
176	pinctrl-1 = <&sdhi0_emmc_pins>;
177	pinctrl-names = "default", "state_uhs";
178	vmmc-supply = <&vcc_sdhi0>;
179	vqmmc-supply = <&reg_1p8v>;
180	bus-width = <8>;
181	mmc-hs200-1_8v;
182	non-removable;
183	fixed-emmc-driver-type = <1>;
184	max-frequency = <125000000>;
185	status = "okay";
186};
187#endif
188
189#if SW_CONFIG3 == SW_OFF
190&sdhi2 {
191	pinctrl-0 = <&sdhi2_pins>;
192	pinctrl-names = "default";
193	vmmc-supply = <&vcc_sdhi2>;
194	bus-width = <4>;
195	max-frequency = <50000000>;
196	status = "okay";
197};
198#endif
199
200&pinctrl {
201#if SW_CONFIG3 == SW_ON
202	eth0-phy-irq-hog {
203		gpio-hog;
204		gpios = <RZG2L_GPIO(12, 0) GPIO_ACTIVE_LOW>;
205		input;
206		line-name = "eth0-phy-irq";
207	};
208#endif
209
210	eth0_pins: eth0 {
211		txc {
212			pinmux = <RZG2L_PORT_PINMUX(1, 0, 1)>;  /* ET0_TXC */
213			power-source = <1800>;
214			output-enable;
215			input-enable;
216			drive-strength-microamp = <5200>;
217		};
218
219		tx_ctl {
220			pinmux = <RZG2L_PORT_PINMUX(1, 1, 1)>;  /* ET0_TX_CTL */
221			power-source = <1800>;
222			output-enable;
223			drive-strength-microamp = <5200>;
224		};
225
226		mux {
227			pinmux = <RZG2L_PORT_PINMUX(1, 2, 1)>,	/* ET0_TXD0 */
228				 <RZG2L_PORT_PINMUX(1, 3, 1)>,	/* ET0_TXD1 */
229				 <RZG2L_PORT_PINMUX(1, 4, 1)>,	/* ET0_TXD2 */
230				 <RZG2L_PORT_PINMUX(2, 0, 1)>,	/* ET0_TXD3 */
231				 <RZG2L_PORT_PINMUX(3, 0, 1)>,	/* ET0_RXC */
232				 <RZG2L_PORT_PINMUX(3, 1, 1)>,	/* ET0_RX_CTL */
233				 <RZG2L_PORT_PINMUX(3, 2, 1)>,	/* ET0_RXD0 */
234				 <RZG2L_PORT_PINMUX(3, 3, 1)>,	/* ET0_RXD1 */
235				 <RZG2L_PORT_PINMUX(4, 0, 1)>,	/* ET0_RXD2 */
236				 <RZG2L_PORT_PINMUX(4, 1, 1)>,	/* ET0_RXD3 */
237				 <RZG2L_PORT_PINMUX(4, 3, 1)>,	/* ET0_MDC */
238				 <RZG2L_PORT_PINMUX(4, 4, 1)>,	/* ET0_MDIO */
239				 <RZG2L_PORT_PINMUX(4, 5, 1)>;	/* ET0_LINKSTA */
240			power-source = <1800>;
241		};
242	};
243
244#if SW_CONFIG3 == SW_ON
245	eth1-phy-irq-hog {
246		gpio-hog;
247		gpios = <RZG2L_GPIO(12, 1) GPIO_ACTIVE_LOW>;
248		input;
249		line-name = "eth1-phy-irq";
250	};
251#endif
252
253	eth1_pins: eth1 {
254		txc {
255			pinmux = <RZG2L_PORT_PINMUX(7, 0, 1)>;	/* ET1_TXC */
256			power-source = <1800>;
257			output-enable;
258			input-enable;
259			drive-strength-microamp = <5200>;
260		};
261
262		tx_ctl {
263			pinmux = <RZG2L_PORT_PINMUX(7, 1, 1)>;	/* ET1_TX_CTL */
264			power-source = <1800>;
265			output-enable;
266			drive-strength-microamp = <5200>;
267		};
268
269		mux {
270			pinmux = <RZG2L_PORT_PINMUX(7, 2, 1)>,	/* ET1_TXD0 */
271				 <RZG2L_PORT_PINMUX(7, 3, 1)>,	/* ET1_TXD1 */
272				 <RZG2L_PORT_PINMUX(7, 4, 1)>,	/* ET1_TXD2 */
273				 <RZG2L_PORT_PINMUX(8, 0, 1)>,	/* ET1_TXD3 */
274				 <RZG2L_PORT_PINMUX(8, 4, 1)>,	/* ET1_RXC */
275				 <RZG2L_PORT_PINMUX(9, 0, 1)>,	/* ET1_RX_CTL */
276				 <RZG2L_PORT_PINMUX(9, 1, 1)>,	/* ET1_RXD0 */
277				 <RZG2L_PORT_PINMUX(9, 2, 1)>,	/* ET1_RXD1 */
278				 <RZG2L_PORT_PINMUX(9, 3, 1)>,	/* ET1_RXD2 */
279				 <RZG2L_PORT_PINMUX(10, 0, 1)>,	/* ET1_RXD3 */
280				 <RZG2L_PORT_PINMUX(10, 2, 1)>,	/* ET1_MDC */
281				 <RZG2L_PORT_PINMUX(10, 3, 1)>,	/* ET1_MDIO */
282				 <RZG2L_PORT_PINMUX(10, 4, 1)>;	/* ET1_LINKSTA */
283			power-source = <1800>;
284		};
285	};
286
287	sdhi0_pins: sd0 {
288		data {
289			pins = "SD0_DATA0", "SD0_DATA1", "SD0_DATA2", "SD0_DATA3";
290			power-source = <3300>;
291		};
292
293		ctrl {
294			pins = "SD0_CLK", "SD0_CMD";
295			power-source = <3300>;
296		};
297
298		cd {
299			pinmux = <RZG2L_PORT_PINMUX(0, 0, 1)>; /* SD0_CD */
300		};
301	};
302
303	sdhi0_uhs_pins: sd0-uhs {
304		data {
305			pins = "SD0_DATA0", "SD0_DATA1", "SD0_DATA2", "SD0_DATA3";
306			power-source = <1800>;
307		};
308
309		ctrl {
310			pins = "SD0_CLK", "SD0_CMD";
311			power-source = <1800>;
312		};
313
314		cd {
315			pinmux = <RZG2L_PORT_PINMUX(0, 0, 1)>; /* SD0_CD */
316		};
317	};
318
319	sdhi0_emmc_pins: sd0-emmc {
320		pins = "SD0_DATA0", "SD0_DATA1", "SD0_DATA2", "SD0_DATA3",
321		       "SD0_DATA4", "SD0_DATA5", "SD0_DATA6", "SD0_DATA7",
322		       "SD0_CLK", "SD0_CMD", "SD0_RST#";
323		power-source = <1800>;
324	};
325
326	sdhi2_pins: sd2 {
327		data {
328			pins = "P11_2", "P11_3", "P12_0", "P12_1";
329			input-enable;
330		};
331
332		ctrl {
333			pins = "P11_1";
334			input-enable;
335		};
336
337		mux {
338			pinmux = <RZG2L_PORT_PINMUX(11, 0, 8)>, /* SD2_CLK */
339				 <RZG2L_PORT_PINMUX(11, 1, 8)>, /* SD2_CMD */
340				 <RZG2L_PORT_PINMUX(11, 2, 8)>, /* SD2_DATA0 */
341				 <RZG2L_PORT_PINMUX(11, 3, 8)>, /* SD2_DATA1 */
342				 <RZG2L_PORT_PINMUX(12, 0, 8)>, /* SD2_DATA2 */
343				 <RZG2L_PORT_PINMUX(12, 1, 8)>, /* SD2_DATA3 */
344				 <RZG2L_PORT_PINMUX(14, 1, 7)>; /* SD2_CD# */
345		};
346	};
347};
348
349&wdt0 {
350	timeout-sec = <60>;
351	status = "okay";
352};
353