1 // SPDX-License-Identifier: GPL-2.0
3 #include "bcm2711.dtsi"
4 #include "bcm2711-rpi.dtsi"
7 compatible = "raspberrypi,4-compute-module-s", "brcm,bcm2711";
8 model = "Raspberry Pi Compute Module 4S";
11 /* 8250 auxiliary UART instead of pl011 */
12 stdout-path = "serial1:115200n8";
17 gpios = <&virtgpio 0 0>;
28 * Parts taken from rpi_SCH_4b_4p0_reduced.pdf and
29 * the official GPU firmware DT blob.
32 * "FOO" = GPIO line named "FOO" on the schematic
33 * "FOO_N" = GPIO line named "FOO" on schematic, active low
35 gpio-line-names = "ID_SDA",
105 pinctrl-names = "default";
106 pinctrl-0 = <&pwm1_0_gpio40 &pwm1_1_gpio41>;
110 /* EMMC2 is used to drive the EMMC card */
122 interrupts = <GIC_SPI 34 IRQ_TYPE_LEVEL_HIGH>;
133 // =============================================
134 // Downstream rpi- changes
138 #include "bcm270x.dtsi"
139 #include "bcm2711-rpi-ds.dtsi"
143 /delete-node/ pixelvalve@7e807000;
144 /delete-node/ hdmi@7e902000;
147 compatible = "brcm,bcm2835-virtgpio";
150 firmware = <&firmware>;
156 #include "bcm283x-rpi-csi0-2lane.dtsi"
157 #include "bcm283x-rpi-csi1-4lane.dtsi"
158 #include "bcm283x-rpi-i2c0mux_0_28.dtsi"
162 bootargs = "coherent_pool=1M 8250.nr_uarts=1 snd_bcm2835.enable_compat_alsa=0 snd_bcm2835.enable_hdmi=1";
178 /delete-property/ intc;
181 /delete-node/ wifi-pwrseq;
185 pinctrl-names = "default";
186 pinctrl-0 = <&uart0_pins>;
191 pinctrl-names = "default";
192 pinctrl-0 = <&spi0_pins &spi0_cs_pins>;
193 cs-gpios = <&gpio 8 1>, <&gpio 7 1>;
196 compatible = "spidev";
198 #address-cells = <1>;
200 spi-max-frequency = <125000000>;
204 compatible = "spidev";
206 #address-cells = <1>;
208 spi-max-frequency = <125000000>;
213 spi0_pins: spi0_pins {
214 brcm,pins = <9 10 11>;
215 brcm,function = <BCM2835_FSEL_ALT0>;
218 spi0_cs_pins: spi0_cs_pins {
220 brcm,function = <BCM2835_FSEL_GPIO_OUT>;
223 spi3_pins: spi3_pins {
225 brcm,function = <BCM2835_FSEL_ALT3>;
228 spi3_cs_pins: spi3_cs_pins {
230 brcm,function = <BCM2835_FSEL_GPIO_OUT>;
233 spi4_pins: spi4_pins {
235 brcm,function = <BCM2835_FSEL_ALT3>;
238 spi4_cs_pins: spi4_cs_pins {
240 brcm,function = <BCM2835_FSEL_GPIO_OUT>;
243 spi5_pins: spi5_pins {
244 brcm,pins = <13 14 15>;
245 brcm,function = <BCM2835_FSEL_ALT3>;
248 spi5_cs_pins: spi5_cs_pins {
250 brcm,function = <BCM2835_FSEL_GPIO_OUT>;
253 spi6_pins: spi6_pins {
254 brcm,pins = <19 20 21>;
255 brcm,function = <BCM2835_FSEL_ALT3>;
258 spi6_cs_pins: spi6_cs_pins {
260 brcm,function = <BCM2835_FSEL_GPIO_OUT>;
265 brcm,function = <BCM2835_FSEL_ALT0>;
266 brcm,pull = <BCM2835_PUD_UP>;
271 brcm,function = <BCM2835_FSEL_ALT0>;
272 brcm,pull = <BCM2835_PUD_UP>;
277 brcm,function = <BCM2835_FSEL_ALT5>;
278 brcm,pull = <BCM2835_PUD_UP>;
283 brcm,function = <BCM2835_FSEL_ALT5>;
284 brcm,pull = <BCM2835_PUD_UP>;
289 brcm,function = <BCM2835_FSEL_ALT5>;
290 brcm,pull = <BCM2835_PUD_UP>;
295 brcm,function = <BCM2835_FSEL_ALT5>;
296 brcm,pull = <BCM2835_PUD_UP>;
300 brcm,pins = <18 19 20 21>;
301 brcm,function = <BCM2835_FSEL_ALT0>;
304 sdio_pins: sdio_pins {
305 brcm,pins = <34 35 36 37 38 39>;
306 brcm,function = <BCM2835_FSEL_ALT3>; // alt3 = SD1
307 brcm,pull = <0 2 2 2 2 2>;
310 uart0_pins: uart0_pins {
316 uart2_pins: uart2_pins {
318 brcm,function = <BCM2835_FSEL_ALT4>;
322 uart3_pins: uart3_pins {
324 brcm,function = <BCM2835_FSEL_ALT4>;
328 uart4_pins: uart4_pins {
330 brcm,function = <BCM2835_FSEL_ALT4>;
334 uart5_pins: uart5_pins {
336 brcm,function = <BCM2835_FSEL_ALT4>;
342 clock-frequency = <100000>;
346 pinctrl-names = "default";
347 pinctrl-0 = <&i2c1_pins>;
348 clock-frequency = <100000>;
352 pinctrl-names = "default";
353 pinctrl-0 = <&i2s_pins>;
356 // =============================================
357 // Board specific stuff here
359 /* Enable USB in OTG-aware mode */
361 compatible = "brcm,bcm2835-usb";
363 g-np-tx-fifo-size = <32>;
364 g-rx-fifo-size = <558>;
365 g-tx-fifo-size = <512 512 512 512 512 256 256>;
374 audio_pins: audio_pins {
380 /* Permanently disable HDMI1 */
382 compatible = "disabled";
385 /* Permanently disable DDC1 */
387 compatible = "disabled";
393 linux,default-trigger = "mmc0";
402 pinctrl-names = "default";
403 pinctrl-0 = <&audio_pins>;
404 brcm,disable-headphones = <1>;
408 gpio = <&gpio 2 GPIO_ACTIVE_HIGH>;
412 cam0_reg: &cam0_regulator {
413 gpio = <&gpio 30 GPIO_ACTIVE_HIGH>;
419 act_led_gpio = <&act_led>,"gpios:4";
420 act_led_activelow = <&act_led>,"gpios:8";
421 act_led_trigger = <&act_led>,"linux,default-trigger";
423 sd_poll_once = <&emmc2>, "non-removable?";
424 spi_dma4 = <&spi0>, "dmas:0=", <&dma40>,
425 <&spi0>, "dmas:8=", <&dma40>;