diff --git a/alt-trees/hat/README.md b/alt-trees/hat/README.md index 868531a..d93adf2 100644 --- a/alt-trees/hat/README.md +++ b/alt-trees/hat/README.md @@ -1,9 +1,8 @@ # A device tree for Raspberry PI HATs.. -Designed to mimic the standard PI gpio assignments for use with PI HAT's -* i2c**0** and spi**1** ports are located on the same Pins as the PI I2C-**1** and SPI-**0** on the PI gpio header - * i2c3 is on the same pins as I2C-0 on the Pi (normally reserved as the Pi EEPROM Data pins) - +Designed to mimic the standard PI gpio assignments for use with Raspberry Pi HAT's +* i2c**0** and spi**1** ports are located on the same GPIO header pins as the Pi's I2C-**1** and SPI-**0** +* i2c**3** is on the same pins as I2C-0 on the Pi (This is normally reserved as the Pi EEPROM Data pins) ``` MangoPI MQ Pro GPIO header (dtb name: MangoPi MQ Pro) @@ -37,35 +36,3 @@ Notes: - I2C pins 3,5,27 and 28 (PG13, PG12, PE17 and PE16) have 10K pullup resistors to 3v3 - The Status LED (PD18) is common with the LED_PWM pin on the DSI/LVDS output ``` - - MangoPI MQ Pro GPIO header (dtb name: MangoPi MQ Pro) - -Gpio Header: - func des pin pin des func - 3v3 1 --o o-- 2 5v - i2c0 (2502000.i2c:205) PG13 3 --o o-- 4 5v - i2c0 (2502000.i2c:204) PG12 5 --o o-- 6 gnd - free (39) PB7 7 --o o-- 8 PB8 uart0 (2500000.serial:40) - gnd 9 --o o-- 10 PB9 uart0 (2500000.serial:41) - free (117) PD21 11 --o o-- 12 PB5 free (37) - free (118) PD22 13 --o o-- 14 gnd - free (32) PB0 15 --o o-- 16 PB1 free (33) - 3v3 17 --o o-- 18 PD14 spi1 (4026000.spi:110) - spi1 (4026000.spi:108) PD12 19 --o o-- 20 gnd - spi1 (4026000.spi:109) PD13 21 --o o-- 22 PC1 free (65) - spi1 (4026000.spi:107) PD11 23 --o o-- 24 PD10 spi1 (4026000.spi:106) - gnd 25 --o o-- 26 PD15 spi1 (4026000.spi:111) - i2c3 (2502c00.i2c:145) PE17 27 --o o-- 28 PE16 i2c3 (2502c00.i2c:144) - free (42) PB10 29 --o o-- 30 gnd - free (43) PB11 31 --o o-- 32 PC0 free (64) - free (44) PB12 33 --o o-- 34 gnd - free (38) PB6 35 --o o-- 36 PB2 free (34) - free (113) PD17 37 --o o-- 38 PB3 free (35) - gnd 39 --o o-- 40 PB4 free (36) - -Other gpio outputs of interest: --- PD18: Blue Status Led - gpio (2000000.pinctrl:114) - -Notes: -- I2C pins 3,5,27 and 28 (PG13, PG12, PE17 and PE16) have 10K pullup resistors to 3v3 -- The Status LED (PD18) is common with the LED_PWM pin on the DSI/LVDS output