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rpi: Add support for Raspberry Pi Zero 2W #1142

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rpi: Add support for Raspberry Pi Zero 2W #1142

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1 change: 1 addition & 0 deletions include/arm/raspberry_pi.h
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Original file line number Diff line number Diff line change
Expand Up @@ -22,6 +22,7 @@ extern "C" {
#define MRAA_RASPBERRY_PI_ZERO_PINCOUNT 41
#define MRAA_RASPBERRY_PI3_B_PINCOUNT 41
#define MRAA_RASPBERRY_PI_ZERO_W_PINCOUNT 41
#define MRAA_RASPBERRY_PI_ZERO_2W_PINCOUNT 41
#define MRAA_RASPBERRY_PI3_B_PLUS_PINCOUNT 41
#define MRAA_RASPBERRY_PI3_A_PLUS_PINCOUNT 41
#define MRAA_RASPBERRY_PI4_B_PINCOUNT 41
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13 changes: 12 additions & 1 deletion src/arm/raspberry_pi.c
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Original file line number Diff line number Diff line change
Expand Up @@ -31,6 +31,7 @@
#define PLATFORM_NAME_RASPBERRY_PI4_B "Raspberry Pi 4 Model B"
#define PLATFORM_NAME_RASPBERRY_PI_400 "Raspberry Pi 400"
#define PLATFORM_NAME_RASPBERRY_PI5_B "Raspberry Pi 5 Model B"
#define PLATFORM_NAME_RASPBERRY_PI_ZERO_2W "Raspberry Pi Zero 2W"
#define PLATFORM_RASPBERRY_PI_B_REV_1 1
#define PLATFORM_RASPBERRY_PI_A_REV_2 2
#define PLATFORM_RASPBERRY_PI_B_REV_2 3
Expand All @@ -46,6 +47,7 @@
#define PLATFORM_RASPBERRY_PI4_B 13
#define PLATFORM_RASPBERRY_PI_400 14
#define PLATFORM_RASPBERRY_PI5_B 15
#define PLATFORM_RASPBERRY_PI_ZERO_2W 16
#define MMAP_PATH "/dev/mem"
#define BCM2835_PERI_BASE 0x20000000
#define BCM2836_PERI_BASE 0x3f000000
Expand Down Expand Up @@ -532,6 +534,10 @@ mraa_raspberry_pi()
b->phy_pin_count = MRAA_RASPBERRY_PI5_B_PINCOUNT;
peripheral_base = BCM2837_PERI_BASE;
block_size = BCM2837_BLOCK_SIZE;
} else if (strstr(line, "902120")) {
b->platform_name = PLATFORM_NAME_RASPBERRY_PI_ZERO_2W;
platform_detected = PLATFORM_RASPBERRY_PI_ZERO_2W;
b->phy_pin_count = MRAA_RASPBERRY_PI_ZERO_2W_PINCOUNT;
} else {
b->platform_name = PLATFORM_NAME_RASPBERRY_PI_B_REV_1;
platform_detected = PLATFORM_RASPBERRY_PI_B_REV_1;
Expand Down Expand Up @@ -614,6 +620,10 @@ mraa_raspberry_pi()
b->platform_name = PLATFORM_NAME_RASPBERRY_PI5_B;
platform_detected = PLATFORM_RASPBERRY_PI5_B;
b->phy_pin_count = MRAA_RASPBERRY_PI5_B_PINCOUNT;
} else if (mraa_file_contains(compatible_path, "raspberrypi,model-zero-2w")) {
b->platform_name = PLATFORM_NAME_RASPBERRY_PI_ZERO_2W;
platform_detected = PLATFORM_RASPBERRY_PI_ZERO_2W;
b->phy_pin_count = MRAA_RASPBERRY_PI_ZERO_2W_PINCOUNT;
}
}

Expand Down Expand Up @@ -885,7 +895,8 @@ mraa_raspberry_pi()
(platform_detected == PLATFORM_RASPBERRY_PI3_A_PLUS) ||
(platform_detected == PLATFORM_RASPBERRY_PI4_B) ||
(platform_detected == PLATFORM_RASPBERRY_PI_400) ||
(platform_detected == PLATFORM_RASPBERRY_PI5_B) ) {
(platform_detected == PLATFORM_RASPBERRY_PI5_B) ||
(platform_detected == PLATFORM_RASPBERRY_PI_ZERO_2W) ) {

strncpy(b->pins[27].name, "ID_SD", MRAA_PIN_NAME_SIZE);
b->pins[27].capabilities = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 0, 0, 0 };
Expand Down