24 lines
728 B
Plaintext
24 lines
728 B
Plaintext
0. Directory structure
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For ease of source browsing this directory may contain soft links to variant
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directories located elsewhere;
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build scripts fully support such layout, however this is not necessary in order
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to build such variants.
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1. HW Customization
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1.1 General description
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- wakeup-gpio has direction from Application Processor (AP) to ContextHub
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- irq1 has direction from ContextHub to AP (wakeup interrupt)
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- irq2 has direction from ContextHub to AP (non-wakeup interrupt) (optional)
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1.2 Kernel side
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- wakeup-gpio = SH_INT_WAKEUP
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- irq1-gpio = AP_INT_WAKEUP
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- irq2-gpio = AP_INT_NONWAKEUP
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1.3 ContextHub side
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- #define SH_INT_WAKEUP PX(N0)
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- #define AP_INT_WAKEUP PY(N1)
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- #define AP_INT_NONWAKEUP PZ(N2)
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