COM iMX6ULL Linux - Revision history

Christoph: /* Control GPIOs */

2021-09-21T09:52:30Z

Control GPIOs

← Older revision		Revision as of 11:52, 21 September 2021
Line 251:		Line 251:
	\|<tt>''gpioget $(gpiofind GPIO_LABEL)''</tt>		\|<tt>''gpioget $(gpiofind GPIO_LABEL)''</tt>
	\|}		\|}
	:: '''Remark:''' GPIO_LABEL could be A, B, C, ... see table above		:: '''Remark:''' GPIO_LABEL could be DHCOM-A, DHCOM-B, DHCOM-C, ... see table above

	:'''Controlled by sysfs (since Kernel v4.8 deprecated)'''		:'''Controlled by sysfs (since Kernel v4.8 deprecated)'''

Christoph: /* Control GPIOs */

2021-09-17T09:08:58Z

Control GPIOs

← Older revision		Revision as of 11:08, 17 September 2021
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	\|}		\|}

	:{\|class="wikitable" style="text-align: center; width: ~~900px~~"		:{\|class="wikitable" style="text-align: center; width: 1000px"
	\|-		\|-
	! DHCOM Name~~: !! gpiod label~~: !! alt. DHCOM Name: !! SO-DIMM Pin# !! CPU Pad Name !! Linux <GPIO#> *		! DHCOM Name: !! alt. DHCOM Name: !! SO-DIMM Pin# !! CPU Pad Name !! Linux <GPIO#> * !! gpiod label (deprecated): !! gpiod label:
	\|-		\|-
	\| GPIO ~~A \|\|~~ A \|\| \|\| 154 \|\| PAD_SNVS_TAMPER0 \|\| 128		\| GPIO A \|\| \|\| 154 \|\| PAD_SNVS_TAMPER0 \|\| 128 \|\| A \|\| DHCOM-A
	\|-		\|-
	\| GPIO ~~B \|\|~~ B \|\| \|\| 156 \|\| PAD_SNVS_TAMPER1 \|\| 129		\| GPIO B \|\| \|\| 156 \|\| PAD_SNVS_TAMPER1 \|\| 129 \|\| B \|\| DHCOM-B
	\|-		\|-
	\| GPIO ~~C \|\|~~ C \|\| \|\| 162 \|\| PAD_SNVS_TAMPER2 \|\| 130		\| GPIO C \|\| \|\| 162 \|\| PAD_SNVS_TAMPER2 \|\| 130 \|\| C \|\| DHCOM-C
	\|-		\|-
	\| GPIO ~~D \|\|~~ D \|\| \|\| 163 \|\| PAD_SNVS_TAMPER3 \|\| 131		\| GPIO D \|\| \|\| 163 \|\| PAD_SNVS_TAMPER3 \|\| 131 \|\| D \|\| DHCOM-D
	\|-		\|-
	\| GPIO ~~E \|\|~~ E \|\| \|\| 164 \|\| PAD_SNVS_TAMPER4 \|\| 132		\| GPIO E \|\| \|\| 164 \|\| PAD_SNVS_TAMPER4 \|\| 132 \|\| E \|\| DHCOM-E
	\|-		\|-
	\| GPIO ~~F \|\|~~ F \|\| \|\| 165 \|\| PAD_SNVS_TAMPER7 \|\| 135		\| GPIO F \|\| \|\| 165 \|\| PAD_SNVS_TAMPER7 \|\| 135 \|\| F \|\| DHCOM-F
	\|-		\|-
	\| GPIO ~~G \|\|~~ G \|\| \|\| 167 \|\| PAD_SNVS_TAMPER8 \|\| 136		\| GPIO G \|\| \|\| 167 \|\| PAD_SNVS_TAMPER8 \|\| 136 \|\| G \|\| DHCOM-G
	\|-		\|-
	\| GPIO ~~H \|\|~~ H \|\| \|\| 173 \|\| PAD_SNVS_TAMPER9 \|\| 137		\| GPIO H \|\| \|\| 173 \|\| PAD_SNVS_TAMPER9 \|\| 137 \|\| H \|\| DHCOM-H
	\|-		\|-
	\| GPIO ~~I \|\|~~ I \|\| \|\| 175 \|\| PAD_UART1_CTS_B \|\| 18		\| GPIO I \|\| \|\| 175 \|\| PAD_UART1_CTS_B \|\| 18 \|\| I \|\| DHCOM-I
	\|-		\|-
	\| GPIO ~~J \|\|~~ J \|\| CIF HSYNC \|\| 74 \|\| PAD_CSI_HSYNC \|\| 116		\| GPIO J \|\| CIF HSYNC \|\| 74 \|\| PAD_CSI_HSYNC \|\| 116 \|\| J \|\| DHCOM-J
	\|-		\|-
	\| GPIO ~~K \|\|~~ K \|\| CIF PCLK \|\| 72 \|\| PAD_CSI_PIXCLK \|\| 114		\| GPIO K \|\| CIF PCLK \|\| 72 \|\| PAD_CSI_PIXCLK \|\| 114 \|\| K \|\| DHCOM-K
	\|-		\|-
	\| GPIO ~~L \|\|~~ L \|\| CIF MCLK \|\| 70 \|\| PAD_CSI_MCLK \|\| 113		\| GPIO L \|\| CIF MCLK \|\| 70 \|\| PAD_CSI_MCLK \|\| 113 \|\| L \|\| DHCOM-L
	\|-		\|-
	\| GPIO ~~M \|\|~~ M \|\| CIF VSYNC \|\| 68 \|\| PAD_CSI_VSYNC \|\| 115		\| GPIO M \|\| CIF VSYNC \|\| 68 \|\| PAD_CSI_VSYNC \|\| 115 \|\| M \|\| DHCOM-M
	\|-		\|-
	\| GPIO ~~N \|\|~~ N \|\| CIF D9 \|\| 66 \|\| PAD_CSI_DATA07 \|\| 124		\| GPIO N \|\| CIF D9 \|\| 66 \|\| PAD_CSI_DATA07 \|\| 124 \|\| N \|\| DHCOM-N
	\|-		\|-
	\| GPIO ~~O \|\|~~ O \|\| CIF D8 \|\| 64 \|\| PAD_CSI_DATA06 \|\| 123		\| GPIO O \|\| CIF D8 \|\| 64 \|\| PAD_CSI_DATA06 \|\| 123 \|\| O \|\| DHCOM-O
	\|-		\|-
	\| GPIO ~~P \|\|~~ P \|\| CIF D7 \|\| 62 \|\| PAD_CSI_DATA05 \|\| 122		\| GPIO P \|\| CIF D7 \|\| 62 \|\| PAD_CSI_DATA05 \|\| 122 \|\| P \|\| DHCOM-P
	\|-		\|-
	\| GPIO ~~Q \|\|~~ Q \|\| CIF D6 \|\| 60 \|\| PAD_CSI_DATA04 \|\| 121		\| GPIO Q \|\| CIF D6 \|\| 60 \|\| PAD_CSI_DATA04 \|\| 121 \|\| Q \|\| DHCOM-Q
	\|-		\|-
	\| GPIO ~~R \|\|~~ R \|\| CIF D5 \|\| 58 \|\| PAD_CSI_DATA03 \|\| 120		\| GPIO R \|\| CIF D5 \|\| 58 \|\| PAD_CSI_DATA03 \|\| 120 \|\| R \|\| DHCOM-R
	\|-		\|-
	\| GPIO ~~S \|\|~~ S \|\| CIF D4 \|\| 56 \|\| PAD_CSI_DATA02 \|\| 119		\| GPIO S \|\| CIF D4 \|\| 56 \|\| PAD_CSI_DATA02 \|\| 119 \|\| S \|\| DHCOM-S
	\|-		\|-
	\| GPIO ~~T \|\|~~ T \|\| CIF D3 \|\| 54 \|\| PAD_CSI_DATA01 \|\| 118		\| GPIO T \|\| CIF D3 \|\| 54 \|\| PAD_CSI_DATA01 \|\| 118 \|\| T \|\| DHCOM-T
	\|-		\|-
	\| GPIO ~~U \|\|~~ U \|\| CIF D2 \|\| 52 \|\| PAD_CSI_DATA00 \|\| 117		\| GPIO U \|\| CIF D2 \|\| 52 \|\| PAD_CSI_DATA00 \|\| 117 \|\| U \|\| DHCOM-U
	\|-		\|-
	\| GPIO V \|\| \|\| CIF D1 \|\| 50 \|\| <n/a> \|\| <n/a>		\| GPIO V \|\| CIF D1 \|\| 50 \|\| <n/a> \|\| <n/a> \|\| <n/a> \|\| <n/a>
	\|-		\|-
	\| GPIO W \|\| \|\| CIF D0 \|\| 48 \|\| <n/a> \|\| <n/a>		\| GPIO W \|\| CIF D0 \|\| 48 \|\| <n/a> \|\| <n/a> \|\| <n/a> \|\| <n/a>
	\|-		\|-
	\| INT HIGHEST PRIORITY ~~\|\| INT~~ \|\| \|\| 151 \|\| PAD_KEY_COL0\|\| 11		\| INT HIGHEST PRIORITY \|\| \|\| 151 \|\| PAD_KEY_COL0\|\| 11 \|\| INT \|\| DHCOM-INT
	\|}		\|}
	:: * = Valid if you didn't change the CONFIG_ARCH_NR_GPIO value in kernel config '''AND''' if your kernel doesn't probe another GPIO controller before the imx6 GPIO controller		:: * = Valid if you didn't change the CONFIG_ARCH_NR_GPIO value in kernel config '''AND''' if your kernel doesn't probe another GPIO controller before the imx6 GPIO controller

Christoph: /* Control GPIOs */

2021-03-10T14:28:36Z

Control GPIOs

← Older revision		Revision as of 16:28, 10 March 2021
Line 153:		Line 153:
	:See which gpio is already used by the system		:See which gpio is already used by the system
	:{\| class="wikitable"		:{\| class="wikitable"
	\|<tt>''cat /sys/kernel/debug/gpio \| grep -v "gpio-... ( "''</tt>		\|<tt>''cat /sys/kernel/debug/gpio \| grep -v "gpio-... ( "''</tt> <br>or<br> <tt>''gpioinfo \| grep -v unnamed''</tt>
	\|}		\|}

Christoph: /* How to build a Kernel */

2020-11-18T16:49:49Z

How to build a Kernel

← Older revision		Revision as of 18:49, 18 November 2020
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	7. <tt>''ARCH=arm CROSS_COMPILE=/opt/gcc-linaro-6.3.1-2017.05-x86_64_arm-linux-gnueabihf/bin/arm-linux-gnueabihf- make zImage</tt>		7. <tt>''ARCH=arm CROSS_COMPILE=/opt/gcc-linaro-6.3.1-2017.05-x86_64_arm-linux-gnueabihf/bin/arm-linux-gnueabihf- make zImage</tt>
	\|}		\|}
			*The built <tt>imx6ull-dhcom-BOARD.dtb</tt> / <tt>imx6ull-dhcor-BOARD.dtb</tt> devicetree files are available in <tt>arch/arm/boot/dts</tt>
			*The built <tt>zImage</tt> kernel file will you find in <tt>arch/arm/boot</tt>
	\|}		\|}

Christoph: /* How to build a Kernel */

2020-11-13T15:21:33Z

How to build a Kernel

← Older revision		Revision as of 17:21, 13 November 2020
Line 19:		Line 19:
	\|		\|
	1. Start the Console on Linux<br/>		1. Start the Console on Linux<br/>
	2. <tt>''git clone https://github.com/dh-electronics/linux-imx6qdl.git --branch dev/4.19.~~25_dhsom~~''</tt><br/>		2. <tt>''git clone https://github.com/dh-electronics/linux-imx6qdl.git --branch dev/4.19.135_dhsom''</tt><br/>
	3. <tt>''cd linux-imx6qdl''</tt>		3. <tt>''cd linux-imx6qdl''</tt>
	\|}		\|}

Christoph: /* Kernel Userspace Interfaces to Access Hardware */

2020-09-30T08:16:57Z

Kernel Userspace Interfaces to Access Hardware

← Older revision		Revision as of 10:16, 30 September 2020
Line 99:		Line 99:

	== Kernel Userspace Interfaces to Access Hardware ==		== Kernel Userspace Interfaces to Access Hardware ==

			=== Ethernet Interfaces ===
			:{\| class="wikitable" style="width: 400px"
			\|\|DHCOM ENET 1\|\|<tt>ethsom0</tt>
			\|-
			\|\|DHCOM ENET 2\|\|<tt>ethsom1</tt>
			\|}

	=== Serial (UART) Interfaces ===		=== Serial (UART) Interfaces ===

Christoph: /* Serial (UART) Interfaces */

2020-09-28T20:48:52Z

Serial (UART) Interfaces

← Older revision		Revision as of 22:48, 28 September 2020
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	\|\|DHCOM UART 3\|\|<tt><n/a></tt>		\|\|DHCOM UART 3\|\|<tt><n/a></tt>
	\|}		\|}
	:<sup>[1]</sup> If DHCOM UART2 is used for Bluetooth it is possible to have it on a modified module hardware on <tt>/dev/ttymxc5</tt> by losing GPIOs J/K/L/M		:<sup>[1]</sup> If DHCOM UART2 is used for Bluetooth it is possible to have it on a modified module hardware on <tt>/dev/ttymxc5</tt> by losing GPIOs J/K/L/M.

	=== I2C Interfaces ===		=== I2C Interfaces ===

Christoph: /* Serial (UART) Interfaces */

2020-09-28T20:48:34Z

Serial (UART) Interfaces

← Older revision		Revision as of 22:48, 28 September 2020
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	\|\|DHCOM UART 1\|\|<tt>/dev/ttymxc0</tt>		\|\|DHCOM UART 1\|\|<tt>/dev/ttymxc0</tt>
	\|-		\|-
	\|\|DHCOM UART 2 \|\|<tt>/dev/ttymxc1</tt>		\|\|DHCOM UART 2 <sup>[1]</sup>\|\|<tt>/dev/ttymxc1</tt>
	\|-		\|-
	\|\|DHCOM UART 3 \|\|<tt><n/a></tt>		\|\|DHCOM UART 3\|\|<tt><n/a></tt>
	\|}		\|}
			:<sup>[1]</sup> If DHCOM UART2 is used for Bluetooth it is possible to have it on a modified module hardware on <tt>/dev/ttymxc5</tt> by losing GPIOs J/K/L/M

	=== I2C Interfaces ===		=== I2C Interfaces ===

Christoph: /* SPI Interfaces */

2020-09-28T20:36:22Z

SPI Interfaces

← Older revision		Revision as of 22:36, 28 September 2020
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	\|}		\|}

	::<sup>[1]</sup> DHCOM SPI2 is only available, if the second ethernet is not mounted.		:<sup>[1]</sup> DHCOM SPI2 is only available, if the second ethernet is not mounted.

	=== MMC/SD/eMMC Interfaces ===		=== MMC/SD/eMMC Interfaces ===

Christoph: /* SPI Interfaces */

2020-09-28T20:36:07Z

SPI Interfaces

← Older revision		Revision as of 22:36, 28 September 2020
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	\|\|DHCOM SPI 1\|\|<tt>/dev/spidev0.0</tt>		\|\|DHCOM SPI 1\|\|<tt>/dev/spidev0.0</tt>
	\|-		\|-
	\|\|DHCOM SPI 2<sup>[1]</sup>\|\|<tt>/dev/spidev1.0</tt>		\|\|DHCOM SPI 2 <sup>[1]</sup>\|\|<tt>/dev/spidev1.0</tt>
	\|}		\|}