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| Both sides previous revision Previous revision | Next revision Both sides next revision | ||
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en:xu3_expansionboard [2016/05/18 15:25] charles.park [SPI Flash Control on Expansion Board] |
en:xu3_expansionboard [2016/05/18 18:09] odroid [SPI Flash Control on Expansion Board] |
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| ==== SPI Flash Control on Expansion Board ==== | ==== SPI Flash Control on Expansion Board ==== | ||
| - | To use spidev on your **ODROID-XU4** you should fix device tree source. | + | To use spidev on your **ODROID-XU4/XU3** you must edit/compile the device-tree source first. |
| === How to fix device tree blob with command line === | === How to fix device tree blob with command line === | ||
| Line 40: | Line 40: | ||
| sudo apt-get install device-tree-compiler | sudo apt-get install device-tree-compiler | ||
| - | Create exynos5422-odroidxu3.dts file. | + | Generate an exynos5422-odroidxu3.dts file from the stock dtb file. |
| <code> | <code> | ||
| sudo -s | sudo -s | ||
| Line 93: | Line 93: | ||
| <WRAP center round important 100%> | <WRAP center round important 100%> | ||
| - | controller-data 안의 **cs-gpio**값은 **cs-gpios** 와 동일하게 설정되어야 합니다. | + | The value of **cs-gpio** must be identical to **cs-gpios** in controller-data section. |
| </WRAP> | </WRAP> | ||
| Line 105: | Line 105: | ||
| Check your SPI node. | Check your SPI node. | ||
| ls /dev/spidev* | ls /dev/spidev* | ||
| + | |||
| + | After update, you need a hard-boot. Reboot doesn't access the updated dtb file from time to time. | ||
| === Compile & run SPI test example source code === | === Compile & run SPI test example source code === | ||
