From mboxrd@z Thu Jan 1 00:00:00 1970 From: Petr Kulhavy Subject: [PATCH 2/5 v10] usb: musb: core: added helper function for parsing DT Date: Fri, 11 Mar 2016 09:29:46 +0100 Message-ID: <1457684989-13318-2-git-send-email-petr@barix.com> References: <1457684989-13318-1-git-send-email-petr@barix.com> Return-path: In-Reply-To: <1457684989-13318-1-git-send-email-petr-Qh/3xLP0EvwAvxtiuMwx3w@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, b-liu-l0cyMroinI0@public.gmane.org Cc: robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, pawel.moll-5wv7dgnIgG8@public.gmane.org, mark.rutland-5wv7dgnIgG8@public.gmane.org, ijc+devicetree-KcIKpvwj1kUDXYZnReoRVg@public.gmane.org, galak-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org, petr-Qh/3xLP0EvwAvxtiuMwx3w@public.gmane.org, linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, balbi-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, sergei.shtylyov-M4DtvfQ/ZS1MRgGoP+s0PdBPR1lH4CV8@public.gmane.org List-Id: devicetree@vger.kernel.org This adds the function musb_get_mode() to get the DT property "dr_mode" Signed-off-by: Petr Kulhavy Acked-by: Sergei Shtylyov --- v4: - created musb_get_dr_mode() v5: - musb_get_dr_mode() renamed to musb_get_mode() - added musb_get_power() v6: - musb_get_power() : added missing boundary check for the maximum value 510mA - formatting - added empty implementation of musb_get_power() v7: - removed empty implementation of musb_get_power() - musb_get_mode() returns MUSB_OTG if the property is not found v8: - musb_get_power() removed v9: v10: drivers/usb/musb/musb_core.c | 19 +++++++++++++++++++ drivers/usb/musb/musb_core.h | 5 +++++ 2 files changed, 24 insertions(+) diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c index c3791a0..6a2d6d3 100644 --- a/drivers/usb/musb/musb_core.c +++ b/drivers/usb/musb/musb_core.c @@ -100,6 +100,7 @@ #include #include #include +#include #include "musb_core.h" @@ -129,6 +130,24 @@ static inline struct musb *dev_to_musb(struct device *dev) return dev_get_drvdata(dev); } +enum musb_mode musb_get_mode(struct device *dev) +{ + enum usb_dr_mode mode; + + mode = usb_get_dr_mode(dev); + switch (mode) { + case USB_DR_MODE_HOST: + return MUSB_HOST; + case USB_DR_MODE_PERIPHERAL: + return MUSB_PERIPHERAL; + case USB_DR_MODE_OTG: + case USB_DR_MODE_UNKNOWN: + default: + return MUSB_OTG; + } +} +EXPORT_SYMBOL_GPL(musb_get_mode); + /*-------------------------------------------------------------------------*/ #ifndef CONFIG_BLACKFIN diff --git a/drivers/usb/musb/musb_core.h b/drivers/usb/musb/musb_core.h index fd215fb..3f7a325 100644 --- a/drivers/usb/musb/musb_core.h +++ b/drivers/usb/musb/musb_core.h @@ -614,4 +614,9 @@ static inline void musb_platform_post_root_reset_end(struct musb *musb) musb->ops->post_root_reset_end(musb); } +/* gets the "dr_mode" property from DT and converts it into musb_mode + * if the property is not found or not recognized returns MUSB_OTG + */ +extern enum musb_mode musb_get_mode(struct device *dev); + #endif /* __MUSB_CORE_H__ */ -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html