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en:c2_gpio_key_wakeup [2017/07/24 18:00] joy.cho [Power Off and Wake Up using GPIO Key Button] |
en:c2_gpio_key_wakeup [2017/07/24 18:07] (current) joy.cho [2. Available Keys] |
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| ====== Power Off and Wake Up using GPIO Key Button ====== | ====== Power Off and Wake Up using GPIO Key Button ====== | ||
| This section describes how to set up GPIO key button for power off and wake up purpose.\\ | This section describes how to set up GPIO key button for power off and wake up purpose.\\ | ||
| - | - [[odroid-c2:application_note:gpio:gpio_key_wakeup#hardware_set-up|Hardware Set-up]] | + | - [[en:c2_gpio_key_wakeup&#hardware_set-up|Hardware Set-up]] |
| - | - [[odroid-c2:application_note:gpio:gpio_key_wakeup#available_keys|Available Keys]] | + | - [[en:c2_gpio_key_wakeup&#available_keys|Available Keys]] |
| - | - [[odroid-c2:application_note:gpio:gpio_key_wakeup#sw_set-up_1_-_ubuntu|SW Set-up (1) Ubuntu]] | + | - [[en:c2_gpio_key_wakeup&#sw_set-up_1_-_ubuntu|SW Set-up (1) Ubuntu]] |
| - | - [[odroid-c2:application_note:gpio:gpio_key_wakeup#sw_set-up_2_-_android|SW Set-up (2) Android]] | + | - [[en:c2_gpio_key_wakeup&#sw_set-up_2_-_android|SW Set-up (2) Android]] |
| - | - [[odroid-c2:application_note:gpio:gpio_key_wakeup#troubleshooting|Troubleshooting]] | + | - [[en:c2_gpio_key_wakeup&#troubleshooting|Troubleshooting]] |
| The brief set-up flow is as following.\\ | The brief set-up flow is as following.\\ | ||
| Line 11: | Line 11: | ||
| - Set GPIO number using boot.ini | - Set GPIO number using boot.ini | ||
| - Compiling and flash the modified kernel dts : This part is only needed on ANDROID. | - Compiling and flash the modified kernel dts : This part is only needed on ANDROID. | ||
| - | ==== Hardware Example ==== | + | ==== 1. Hardware Set-Up ==== |
| + | First, You need to prepare a tab switch that are connected to two lines.\\ | ||
| + | Red line is for **Power Button** and another Gray line is for the active level line (Ground or 3.3V Power).\\ | ||
| + | |||
| + | {{:en:gpio_wakeup_2.png?400}} | ||
| For example, we will use **Pin#29** of 40pin expansion connector.\\ | For example, we will use **Pin#29** of 40pin expansion connector.\\ | ||
| + | |||
| The pin is assigned to **GPIOX.BIT0** and its GPIO number is **#228**.\\ | The pin is assigned to **GPIOX.BIT0** and its GPIO number is **#228**.\\ | ||
| + | Connect the red line to **Pin#29**. \\ | ||
| + | |||
| + | Its default pin pulled status is high and switch active will be **Low**, so you should connect the gray line of tab switch to Ground (GND), **Pin#30**.\\ | ||
| + | |||
| + | ^ Pin Number\\ (Red Line) ^ GPIO Number ^ Active Level \\ (Gray Line) ^ | ||
| + | | 29 | GPIO#228 | Active Low (Pin 30) | | ||
| + | |||
| + | |||
| + | |||
| + | ==== 2. Available Keys ==== | ||
| + | Here are the available key examples using 40-pin connector and 7-pin connector.\\ | ||
| + | You can find the pin assign examples for Red Line and Gray Line. | ||
| + | |||
| + | ** (1) J2 - 2x20 pins** | ||
| + | ^ Active Level \\ (Gray Line) ^ GPIO Number ^ Pin Number\\ (Red Line) ^ Pin Number\\ (Red Line) ^ GPIO Number ^ Active Level\\ (Gray Line) ^ | ||
| + | | - | <color #7092be>//3.3V Power//</color> | 1 | 2 | - | - | | ||
| + | | - | - | 3 | 4 | - | - | | ||
| + | | - | - | 5 | 6 | <color #7092be>//Ground//</color> | - | | ||
| + | | Active Low (Pin 9) | GPIO#249 | 7 | 8 | - | - | | ||
| + | | - | <color #7092be>//Ground//</color> | 9 | 10 | - | - | | ||
| + | | Active Low (Pin 14) | GPIO#247 | 11 | 12 | GPIO#238 | Active Low (Pin 14) | | ||
| + | | Active Low (Pin 14) | GPIO#239 | 13 | 14 | <color #7092be>//Ground//</color> | - | | ||
| + | | Active Low (Pin 14) | GPIO#237 | 15 | 16 | GPIO#236 | Active Low (Pin 14) | | ||
| + | | - | <color #7092be>//3.3V Power//</color> | 17 | 18 | GPIO#233 | Active Low (Pin 20) | | ||
| + | | Active Low (Pin 20) | GPIO#235 | 19 | 20 | <color #7092be>//Ground//</color> | - | | ||
| + | | Active Low (Pin 20) | GPIO#232 | 21 | 22 | GPIO#231 | Active Low (Pin 20) | | ||
| + | | Active Low (Pin 25) | GPIO#230 | 23 | 24 | GPIO#229 | Active Low (Pin 25) | | ||
| + | | - | <color #7092be>//Ground//</color> | 25 | 26 | GPIO#225 | Active High (Pin 17) | | ||
| + | | - | - | 27 | 28 | - | - | | ||
| + | | Active Low (Pin 30) | GPIO#228 | 29 | 30 | <color #7092be>//Ground//</color> | - | | ||
| + | | Active Low (Pin 30) | GPIO#219 | 31 | 32 | GPIO#224 | Active Low (Pin 34) | | ||
| + | | Active High (Pin 17) | GPIO#234 | 33 | 34 | <color #7092be>//Ground//</color> | | | ||
| + | | Active Low (Pin 34) | GPIO#214 | 35 | 36 | GPIO#218 | Active Low (Pin 34) | | ||
| + | | - | - | 37 | 38 | - | - | | ||
| + | | - | <color #7092be>//Ground//</color> | 39 | 40 | - | - | | ||
| + | |||
| + | ** (2) J7 - 1x7 pins** | ||
| + | ^ Pin Number\\ (Red Line) ^ GPIO Number ^ Active Level\\ (Gray Line) ^ | ||
| + | | 1 | <color #7092be>//Ground//</color> | - | | ||
| + | | 2 | GPIO#128 | Active Low (Pin 1) | | ||
| + | | 3 | <color #7092be>//5.0V Power//</color> | - | | ||
| + | | 4 | GPIO#130 | Active Low (Pin 1) | | ||
| + | | 5 | GPIO#132 | Active Low (Pin 1) | | ||
| + | | 6 | GPIO#131 | Active Low (Pin 1) | | ||
| + | | 7 | GPIO#133 | Active Low (Pin 1) | | ||
| - | Its default pin pulled status is UP (High) and switch active will be **Low**,\\ | + | You can find the detailed information about 40-pin and 7-pin connectors in the following link.\\ |
| - | so you should connect another port of tab switch to Ground (GND), **Pin#39**. \\ | + | [[en:c2_hardware&#expansion_connectors|Expansion Connectors]]\\ |
| + | ==== 3. SW Set-up (1) - Ubuntu ==== | ||
| <WRAP center round important> | <WRAP center round important> | ||
| - | Please be careful to choose the GPIO pin to avoid an overlap port that is already assigned to other functionalities. | + | * Ubuntu : The release version should be 3.14.79-107 (Feb 26, 2017) or higher. |
| </WRAP> | </WRAP> | ||
| - | {{:en:gpio_wakeup_2.png?400}} | + | === (1) Setting boot.ini === |
| + | |||
| + | You can assign GPIO number with env **gpiopower** in boot.ini. | ||
| + | |||
| + | <code ini target> | ||
| + | ## gpio power key : J2 (2x20) Pin#29 , GPIOX.BIT0 | ||
| + | setenv gpiopower "228" | ||
| + | ... | ||
| + | ... | ||
| + | |||
| + | ## Add gpiopower like "setenv bootargs ${bootargs} gpiopower=${gpiopower}" | ||
| + | setenv bootargs "root=UUID=e139ce78-9841-40fe-8823-96a304a09859 rootwait ro ${condev} no_console_suspend hdmimode=${m} ${cmode} m_bpp=${m_bpp} vout=${vout} fsck.repair=yes net.ifnames=0 elevator=noop disablehpd=${hpd} max_freq=${max_freq} maxcpus=${maxcpus} monitor_onoff=${monitor_onoff} disableuhs=${disableuhs} mmc_removable=${mmc_removable} usbmulticam=${usbmulticam} ${hid_quirks} gpiopower=${gpiopower}" | ||
| + | |||
| + | </code> | ||
| + | |||
| + | === (2) Setting Power Button Action for Power Off === | ||
| + | |||
| + | When you turn the board off using power button, you need to change the power key action pattern.\\ | ||
| + | |||
| + | - Open Power Management Preferences : [System] -> [Preferences] -> [Hardware] -> [Power Management] \\ | ||
| + | - and then Select [General] tab | ||
| + | |||
| + | {{:en:gpio_wakeup_1.png?400}} | ||
| + | |||
| + | === (3) Wake up Action === | ||
| + | To wake-up after power off, long-pressing over 2 seconds is needed. | ||
| + | |||
| + | ==== 4. SW Set-up (2) - Android ==== | ||
| + | <WRAP center round important> | ||
| + | * Android : You have to modify the dts file in Android Marshmallow (v2.4) and higher version to using this functionality. | ||
| + | </WRAP> | ||
| + | === (1) Modifying and Flashing Kernel dts === | ||
| + | In case of Android, you have to modify the dts file to activate gpio key functionality.\\ | ||
| - | ==== Modifying and Flashing Kernel dts ==== | + | [[https://github.com/hardkernel/linux/blob/odroidc2-3.14.y-android/arch/arm64/boot/dts/meson64_odroidc2.dts|C2 Android DTS]]\\ |
| - | You have to modify the dts file. [[https://github.com/hardkernel/linux/blob/odroidc2-3.14.y/arch/arm64/boot/dts/meson64_odroidc2.dts|C2 Linux DTS]] [[https://github.com/hardkernel/linux/blob/odroidc2-3.14.y-android/arch/arm64/boot/dts/meson64_odroidc2.dts|C2 Android DTS]] | + | |
| <kernel_path>/arch/arm64/boot/dts/meson64_odroidc2.dts | <kernel_path>/arch/arm64/boot/dts/meson64_odroidc2.dts | ||
| Line 38: | Line 121: | ||
| </code> | </code> | ||
| - | After compile the dts file, you can flash dtb file to the board. | + | After compiling the dts file, you can flash the dtb file to the board. |
| - | In kernel | + | In kernel: |
| - | <code> | + | <code bash target> |
| $ make odroidc2_defconfig | $ make odroidc2_defconfig | ||
| $ make dtbs | $ make dtbs | ||
| Line 48: | Line 131: | ||
| </code> | </code> | ||
| - | You have to flash dtbs file when board is in u-boot fastboot mode. | + | You have to flash dtbs file when board it is in u-boot fastboot mode. |
| - | In Board | + | In board: |
| - | <code> | + | <code bash target> |
| $ reboot fastboot | $ reboot fastboot | ||
| </code> | </code> | ||
| - | ==== Setting boot.ini ==== | + | === (2) Setting boot.ini === |
| - | + | In Android boot.ini, you can find a "gpiopower" example. | |
| - | You can assign GPIO number with env **gpiopower** in boot.ini. | + | Uncomment "gpiopower" part and modify the number with the number you want to use. |
| - | + | <code ini target> | |
| - | <code> | + | ## gpio power key : J2 (2x20) Pin#29 , GPIOX.BIT0 |
| - | # gpio power key : J2 (2x20) Pin#29 , GPIOX.BIT0 | + | |
| setenv gpiopower "228" | setenv gpiopower "228" | ||
| - | ... | ||
| - | ... | ||
| - | setenv bootargs ${bootargs} gpiopower=${gpiopower} | ||
| </code> | </code> | ||
| + | === (3) Setting Power Button Action for Power Off === | ||
| + | In Android, you don't need to set any menu for power button actions but it's already defined as following.\\ | ||
| - | ==== Setting Power Button Action for Power Off ==== | + | One short power key event is used for sleep, and with long key event, you can handle options of power off/reboot.\\ |
| - | + | With Android Marshmallow v2.4 or higher version, it's available to enter power off using **long-pressing (5 sec)**. | |
| - | === Ubuntu === | + | |
| - | When you turn the board off using power button, you need to change power key action pattern.\\ | + | |
| - | + | ||
| - | - Open Power Management Preferences : [System] -> [Preferences] -> [Hardware] -> [Power Management] \\ | + | |
| - | - and then Select [General] tab | + | |
| - | + | ||
| - | {{:en:gpio_wakeup_1.png?400}} | + | |
| - | + | ||
| - | === Android === | + | |
| - | In case of Android, one short power key event is used for sleep and with long key event, you can handle options of power off/reboot.\\ | + | |
| - | With Android Marshmallow v2.4 or higher version, it's available to enter power off sequence using **long-pressing (5 sec)**. | + | |
| - | ==== Available Key Numbers ==== | + | |
| - | + | ||
| - | **1. J2 - 2x20 pins** | + | |
| - | ^ Pin Number ^ Net Name ^ GPIO Number ^ Active Level ^ Pin Number ^ Net Name ^ GPIO Number ^ Active Level ^ | + | |
| - | | 1 |3.3V Power| | | 2 |5.0V Power| | | | + | |
| - | | 3 |I2CA_SDA|N/A| | 4 |5.0V Power| | | | + | |
| - | | 5 |I2CA_SCL|N/A| | 6 |Ground| | | | + | |
| - | | 7 |GPIOX.BIT21|GPIO#249| High -> Low | 8 |TXD1|N/A| | | + | |
| - | | 9 |Ground| | | 10 |RXD1|N/A| | | + | |
| - | | 11 |GPIOX.BIT19|GPIO#247|High -> Low| 12 |GPIOX.BIT10|GPIO#238|High -> Low| | + | |
| - | | 13 |GPIOX.BIT11|GPIO#239|High -> Low| 14 |Ground| | | | + | |
| - | | 15 |GPIOX.BIT9|GPIO#237|High -> Low| 16 |GPIOX.BIT8|GPIO#236|High -> Low| | + | |
| - | | 17 |3.3V Power| | | 18 |GPIOX.BIT5|GPIO#233|High -> Low| | + | |
| - | | 19 |GPIOX.BIT7|GPIO#235|High -> Low| 20 |Ground| | | | + | |
| - | | 21 |GPIOX.BIT4|GPIO#232|High -> Low| 22 |GPIOX.BIT3|GPIO#231|High -> Low| | + | |
| - | | 23 |GPIOX.BIT2|GPIO#230|High -> Low| 24 |GPIOX.BIT1|GPIO#229|High -> Low| | + | |
| - | | 25 |Ground| | | 26 |GPIOY.BIT14|GPIO#225|Low -> High| | + | |
| - | | 27 |I2CB_SDA|N/A| | 28 |I2CB_SCL|N/A| | | + | |
| - | | 29 |GPIOX.BIT0|GPIO#228|High -> Low| 30 |Ground| | | | + | |
| - | | 31 |GPIOY.BIT8|GPIO#219|High -> Low| 32 |GPIOY.BIT13|GPIO#224|High -> Low| | + | |
| - | | 33 |GPIOX.BIT6|GPIO#234|Low -> High| 34 |Ground| | | | + | |
| - | | 35 |GPIOY.BIT3|GPIO#214|High -> Low| 36 |GPIOY.BIT7|GPIO#218|High -> Low| | + | |
| - | | 37 |ADC.AIN1|N/A| | 38 |1.8V Power|N/A| | | + | |
| - | | 39 |Ground| | | 40 |ADC.AIN0|N/A| | | + | |
| - | **2. J7 - 1x7 pins** | + | === (4) Wake up Action === |
| - | ^ Pin Number ^ Net Name ^ GPIO Number ^ Active Level ^ | + | And to wake-up after power off, long-pressing over 2 seconds is needed. |
| - | | 1 |Ground| | | | + | |
| - | | 2 |GPIOAO.BIT6|GPIO#128|High -> Low| | + | |
| - | | 3 |P5V0|5.0V Power| | | + | |
| - | | 4 |GPIOAO.BIT8|GPIO#130|High -> Low| | + | |
| - | | 5 |GPIOAO.BIT10|GPIO#132|High -> Low| | + | |
| - | | 6 |GPIOAO.BIT9|GPIO#131|High -> Low| | + | |
| - | | 7 |GPIOAO.BIT11|GPIO#133|High -> Low| | + | |
| - | **3. SW1** | + | ==== 5. Troubleshooting ==== |
| + | https://forum.odroid.com/viewtopic.php?f=137&t=27602#p195995 \\ | ||
| - | {{:en:gpio_wakeup_3.png?400}} \\ | + | https://forum.odroid.com/viewtopic.php?f=136&t=27636 |
| - | ^ Pin Number ^ Net Name ^ GPIO Number ^ Active Level ^ | + | |
| - | | 1 |NC|N/A | | | + | |
| - | | 2 |GPIOY.BIT5|GPIO#216|High -> Low| | + | |
| - | | 3 |GND|Ground| | | + | |
