diff options
| author | jmcneill <jmcneill@NetBSD.org> | 2019-05-27 21:11:13 +0000 |
|---|---|---|
| committer | jmcneill <jmcneill@NetBSD.org> | 2019-05-27 21:11:13 +0000 |
| commit | 5d409af357bb3f9c8ee9dc56d9c0f235544ec902 (patch) | |
| tree | 0a7ee674bfdf0e8e7024b249b9a237b4240fe615 /sys/dev/i2c | |
| parent | a443938f6b96f27ae84968042c10b37902ee290d (diff) | |
FDT-ize AC100 driver
Diffstat (limited to 'sys/dev/i2c')
| -rw-r--r-- | sys/dev/i2c/ac100.c | 33 |
1 files changed, 30 insertions, 3 deletions
diff --git a/sys/dev/i2c/ac100.c b/sys/dev/i2c/ac100.c index f7280940dd4..6540273a7de 100644 --- a/sys/dev/i2c/ac100.c +++ b/sys/dev/i2c/ac100.c @@ -1,4 +1,4 @@ -/* $NetBSD: ac100.c,v 1.2 2018/06/16 21:22:13 thorpej Exp $ */ +/* $NetBSD: ac100.c,v 1.3 2019/05/27 21:11:13 jmcneill Exp $ */ /*- * Copyright (c) 2014 Jared D. McNeill <jmcneill@invisible.ca> @@ -26,8 +26,10 @@ * POSSIBILITY OF SUCH DAMAGE. */ +#include "opt_fdt.h" + #include <sys/cdefs.h> -__KERNEL_RCSID(0, "$NetBSD: ac100.c,v 1.2 2018/06/16 21:22:13 thorpej Exp $"); +__KERNEL_RCSID(0, "$NetBSD: ac100.c,v 1.3 2019/05/27 21:11:13 jmcneill Exp $"); #include <sys/param.h> #include <sys/systm.h> @@ -41,6 +43,10 @@ __KERNEL_RCSID(0, "$NetBSD: ac100.c,v 1.2 2018/06/16 21:22:13 thorpej Exp $"); #include <dev/i2c/i2cvar.h> +#ifdef FDT +#include <dev/fdt/fdtvar.h> +#endif + #define AC100_CHIP_AUDIO_RST_REG 0x00 #define AC100_PLL_CTRL1_REG 0x02 #define AC100_PLL_CTRL2_REG 0x03 @@ -86,6 +92,11 @@ __KERNEL_RCSID(0, "$NetBSD: ac100.c,v 1.2 2018/06/16 21:22:13 thorpej Exp $"); #define AC100_RTC_UPD_TRIG_WRITE __BIT(15) +static const struct device_compatible_entry compat_data[] = { + { "x-powers,ac100", 0 }, + { NULL, 0 } +}; + struct ac100_softc { device_t sc_dev; i2c_tag_t sc_i2c; @@ -109,7 +120,15 @@ CFATTACH_DECL_NEW(ac100ic, sizeof(struct ac100_softc), static int ac100_match(device_t parent, cfdata_t match, void *aux) { - return I2C_MATCH_ADDRESS_ONLY; /* XXX */ + struct i2c_attach_args *ia = aux; + int match_result; + + if (iic_use_direct_match(ia, match, compat_data, &match_result)) + return match_result; + + /* This device is direct-config only. */ + + return 0; } static void @@ -132,7 +151,15 @@ ac100_attach(device_t parent, device_t self, void *aux) sc->sc_todr.todr_gettime_ymdhms = ac100_rtc_gettime; sc->sc_todr.todr_settime_ymdhms = ac100_rtc_settime; sc->sc_todr.cookie = sc; + +#ifdef FDT + const int phandle = ia->ia_cookie; + const int rtc_phandle = of_find_firstchild_byname(phandle, "rtc"); + if (rtc_phandle > 0) + fdtbus_todr_attach(self, rtc_phandle, &sc->sc_todr); +#else todr_attach(&sc->sc_todr); +#endif } static int |
