[src/trunk]: src/sys/dev/i2c attach to ds1775 which was already more or less ...

[macallan <macallan%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/ed770db7c673
branches:  trunk
changeset: 826823:ed770db7c673
user:      macallan <macallan%NetBSD.org@localhost>
date:      Sun Oct 01 05:12:18 2017 +0000

description:
attach to ds1775 which was already more or less supported as DS75
also, get sensor name/location from OpenFirmware if we know how

diffstat:

 sys/dev/i2c/lm75.c |  34 +++++++++++++++++++++++++++++-----
 1 files changed, 29 insertions(+), 5 deletions(-)

diffs (85 lines):

diff -r 7c166214669a -r ed770db7c673 sys/dev/i2c/lm75.c
--- a/sys/dev/i2c/lm75.c        Sun Oct 01 01:45:02 2017 +0000
+++ b/sys/dev/i2c/lm75.c        Sun Oct 01 05:12:18 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: lm75.c,v 1.29 2016/01/11 18:23:11 jdc Exp $    */
+/*     $NetBSD: lm75.c,v 1.30 2017/10/01 05:12:18 macallan Exp $       */
 
 /*
  * Copyright (c) 2003 Wasabi Systems, Inc.
@@ -36,7 +36,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: lm75.c,v 1.29 2016/01/11 18:23:11 jdc Exp $");
+__KERNEL_RCSID(0, "$NetBSD: lm75.c,v 1.30 2017/10/01 05:12:18 macallan Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -49,6 +49,14 @@
 #include <dev/i2c/i2cvar.h>
 #include <dev/i2c/lm75reg.h>
 
+#ifdef macppc
+#define HAVE_OF 1
+#endif
+
+#ifdef HAVE_OF
+#include <dev/ofw/openfirm.h>
+#endif
+
 struct lmtemp_softc {
        device_t sc_dev;
        i2c_tag_t sc_tag;
@@ -95,6 +103,7 @@
 
 static const char * lmtemp_compats[] = {
        "i2c-lm75",
+       "ds1775",
        /*
         * see XXX in _attach() below: add code once non-lm75 matches are
         * added here!
@@ -175,6 +184,7 @@
 {
        struct lmtemp_softc *sc = device_private(self);
        struct i2c_attach_args *ia = aux;
+       char name[64];
        int i;
 
        sc->sc_dev = self;
@@ -184,8 +194,12 @@
                            device_cfdata(self)->cf_flags)
                                break;
        } else {
-               /* XXX - add code when adding other direct matches! */
-               i = 0;
+               if (strcmp(ia->ia_name, "ds1775") == 0) {
+                       i = 1;  /* LMTYPE_DS75 */
+               } else {
+                       /* XXX - add code when adding other direct matches! */
+                       i = 0;
+               }
        }
 
        sc->sc_tag = ia->ia_tag;
@@ -254,9 +268,19 @@
        sc->sc_sensor.units =  ENVSYS_STEMP;
        sc->sc_sensor.state =  ENVSYS_SINVALID;
        sc->sc_sensor.flags =  ENVSYS_FMONLIMITS;
-       (void)strlcpy(sc->sc_sensor.desc,
+
+       (void)strlcpy(name,
            ia->ia_name? ia->ia_name : device_xname(self),
            sizeof(sc->sc_sensor.desc));
+#ifdef HAVE_OF
+       int ch;
+       ch = OF_child(ia->ia_cookie);
+       if (ch != 0) {
+               OF_getprop(ch, "location", name, 64);
+       }
+#endif
+       (void)strlcpy(sc->sc_sensor.desc, name,
+           sizeof(sc->sc_sensor.desc));
        if (sysmon_envsys_sensor_attach(sc->sc_sme, &sc->sc_sensor)) {
                sysmon_envsys_destroy(sc->sc_sme);
                return;