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pass sensor location info to drivers if we can find it

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This commit is contained in:
macallan 2019-08-15 22:35:39 +00:00
parent 4f4e81219c
commit 68414e0ea7
1 changed files with 16 additions and 4 deletions
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20
sys/arch/macppc/dev/ki2c.c
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@ -1,4 +1,4 @@
/* $NetBSD: ki2c.c,v 1.25 2018/03/08 21:53:20 macallan Exp $ */
/* $NetBSD: ki2c.c,v 1.26 2019/08/15 22:35:39 macallan Exp $ */
/* Id: ki2c.c,v 1.7 2002/10/05 09:56:05 tsubai Exp */
/*-
@ -84,13 +84,13 @@ ki2c_attach(device_t parent, device_t self, void *aux)
struct ki2c_softc *sc = device_private(self);
struct confargs *ca = aux;
int node = ca->ca_node;
uint32_t addr, channel;
uint32_t addr, channel, reg;
int rate, child, /*namelen,*/ i2cbus;
struct i2cbus_attach_args iba;
prop_dictionary_t dict = device_properties(self);
prop_array_t cfg;
int devs;
char compat[256];
int devs, devc;
char compat[256], num[8], descr[32];
prop_dictionary_t dev;
prop_data_t data;
char name[32];
@ -178,6 +178,18 @@ ki2c_attach(device_t parent, device_t self, void *aux)
prop_object_release(data);
prop_dictionary_set_uint32(dev, "addr", addr);
prop_dictionary_set_uint64(dev, "cookie", devs);
/* look for location info for sensors */
devc = OF_child(devs);
while (devc != 0) {
if (OF_getprop(devc, "reg", &reg, 4) < 4) goto nope;
if (OF_getprop(devc, "location", descr, 32) <= 0)
goto nope;
DPRINTF("found '%s' at %02x\n", descr, reg);
snprintf(num, 7, "s%02x", reg);
prop_dictionary_set_cstring(dev, num, descr);
nope:
devc = OF_peer(devc);
}
prop_array_add(cfg, dev);
prop_object_release(dev);
skip: