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mmap: added mmap io to gpio

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* added function to gpio to use mmap
* changed board definition format around mmap io (fast-gpio)
* Intel Galileo Rev D updated to follow changed definitions

* Example performing mmap io to pin 2 added.

Signed-off-by: Thomas Ingleby <thomas.c.ingleby@intel.com>
This commit is contained in:
Thomas Ingleby
2014-05-29 16:30:07 +01:00
parent b9352a9e8c
commit 7af6a96a13
8 changed files with 182 additions and 11 deletions
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22
src/intel_galileo_rev_d.c
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@@ -62,6 +62,15 @@ maa_intel_galileo_rev_d()
b->pins[2].gpio.mux_total = 1;
b->pins[2].gpio.mux[0].pin = 31;
b->pins[2].gpio.mux[0].value = 1;
b->pins[2].mmap.gpio.pinmap = 14;
strncpy(b->pins[2].mmap.mem_dev, "/dev/uio0", 12);
b->pins[2].mmap.gpio.mux_total = 2;
b->pins[2].mmap.gpio.mux[0].pin = 31;
b->pins[2].mmap.gpio.mux[0].value = 0;
b->pins[2].mmap.gpio.mux[1].pin = 14;
b->pins[2].mmap.gpio.mux[1].value = 0;
b->pins[2].mmap.mem_sz = 0x1000;
b->pins[2].mmap.bit_pos = 6;
strncpy(b->pins[3].name, "IO3", 8);
b->pins[3].capabilites = (maa_pincapabilities_t) {1,1,1,1,0,0,0};
@@ -69,10 +78,15 @@ maa_intel_galileo_rev_d()
b->pins[3].gpio.mux_total = 1;
b->pins[3].gpio.mux[0].pin = 30;
b->pins[3].gpio.mux[0].value = 1;
b->pins[3].fast_gpio.pinmap = 15;
b->pins[3].fast_gpio.mux_total = 1;
b->pins[3].fast_gpio.mux[0].pin = 30;
b->pins[3].fast_gpio.mux[0].value = 0;
b->pins[3].mmap.gpio.pinmap = 15;
strncpy(b->pins[3].mmap.mem_dev, "/dev/uio0", 12);
b->pins[3].mmap.gpio.mux_total = 2;
b->pins[3].mmap.gpio.mux[0].pin = 30;
b->pins[3].mmap.gpio.mux[0].value = 0;
b->pins[3].mmap.gpio.mux[1].pin = 15;
b->pins[3].mmap.gpio.mux[1].value = 0;
b->pins[3].mmap.mem_sz = 0x1000;
b->pins[3].mmap.bit_pos = 7;
b->pins[3].pwm.pinmap = 3;
b->pins[3].pwm.parent_id = 0;
b->pins[3].pwm.mux_total = 1;