From: Li Jun <jun.li-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
To: gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org,
balbi-l0cyMroinI0@public.gmane.org,
peter.chen-KZfg59tc24xl57MIdRCFDg@public.gmane.org,
robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org
Cc: linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
pawel.moll-5wv7dgnIgG8@public.gmane.org,
mark.rutland-5wv7dgnIgG8@public.gmane.org,
macpaul-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org,
rogerq-l0cyMroinI0@public.gmane.org,
Li Jun <jun.li-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
Subject: [PATCH v5 07/23] usb: common: add API to set usb otg capabilities by device tree
Date: Wed, 17 Jun 2015 19:40:14 +0800 [thread overview]
Message-ID: <1434541230-15090-8-git-send-email-jun.li@freescale.com> (raw)
In-Reply-To: <1434541230-15090-1-git-send-email-jun.li-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
Check property of usb hardware to get otg version and if SRP, HNP and ADP
are disabled.
Signed-off-by: Li Jun <jun.li-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
---
drivers/usb/common/common.c | 28 ++++++++++++++++++++++++++++
include/linux/usb/of.h | 7 +++++++
2 files changed, 35 insertions(+)
diff --git a/drivers/usb/common/common.c b/drivers/usb/common/common.c
index b530fd4..04f6925 100644
--- a/drivers/usb/common/common.c
+++ b/drivers/usb/common/common.c
@@ -154,6 +154,34 @@ bool of_usb_host_tpl_support(struct device_node *np)
return false;
}
EXPORT_SYMBOL_GPL(of_usb_host_tpl_support);
+
+/**
+ * of_usb_get_set_caps - to set usb otg capabilities according to
+ * the passed properties in DT.
+ * @np: Pointer to the given device_node
+ * @otg_caps: Pointer to the target usb_otg_caps to be set
+ *
+ * The function gets and sets the otg capabilities
+ */
+void of_usb_set_otg_caps(struct device_node *np, struct usb_otg_caps *otg_caps)
+{
+ u32 otg_rev;
+
+ if (!otg_caps)
+ return;
+
+ if (!of_property_read_u32(np, "otg-rev", &otg_rev)) {
+ otg_caps->otg_rev = otg_rev;
+ if (of_find_property(np, "hnp-disable", NULL))
+ otg_caps->hnp_support = false;
+ if (of_find_property(np, "srp-disable", NULL))
+ otg_caps->srp_support = false;
+ if (of_find_property(np, "adp-disable", NULL))
+ otg_caps->adp_support = false;
+ }
+}
+EXPORT_SYMBOL_GPL(of_usb_set_otg_caps);
+
#endif
MODULE_LICENSE("GPL");
diff --git a/include/linux/usb/of.h b/include/linux/usb/of.h
index cfe0528..6339799 100644
--- a/include/linux/usb/of.h
+++ b/include/linux/usb/of.h
@@ -15,6 +15,8 @@
enum usb_dr_mode of_usb_get_dr_mode(struct device_node *np);
enum usb_device_speed of_usb_get_maximum_speed(struct device_node *np);
bool of_usb_host_tpl_support(struct device_node *np);
+void of_usb_set_otg_caps(struct device_node *np,
+ struct usb_otg_caps *otg_caps);
#else
static inline enum usb_dr_mode of_usb_get_dr_mode(struct device_node *np)
{
@@ -30,6 +32,11 @@ static inline bool of_usb_host_tpl_support(struct device_node *np)
{
return false;
}
+static inline void of_usb_set_otg_caps(struct device_node *np,
+ struct usb_otg_caps *otg_caps)
+{
+
+}
#endif
#if IS_ENABLED(CONFIG_OF) && IS_ENABLED(CONFIG_USB_SUPPORT)
--
1.9.1
--
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next prev parent reply other threads:[~2015-06-17 11:40 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-17 11:40 [PATCH v5 00/23] usb gadget update for OTG 2.0 Li Jun
[not found] ` <1434541230-15090-1-git-send-email-jun.li-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
2015-06-17 11:40 ` [PATCH v5 01/23] usb: add usb_otg20_descriptor for OTG 2.0 and above Li Jun
2015-06-17 11:40 ` [PATCH v5 02/23] usb: add USB_OTG_ADP definition Li Jun
2015-06-17 11:40 ` [PATCH v5 03/23] usb: otg: add usb_otg_caps structure for otg capabilities Li Jun
2015-06-17 11:40 ` [PATCH v5 04/23] usb: add usb_otg_caps to usb_gadget structure Li Jun
2015-06-17 11:40 ` [PATCH v5 05/23] usb: gadget: composite: add USB_DT_OTG request handling Li Jun
2015-06-17 11:40 ` [PATCH v5 06/23] doc: dt-binding: usb: add otg related properties Li Jun
2015-06-17 11:40 ` Li Jun [this message]
2015-06-17 11:40 ` [PATCH v5 08/23] usb: chipidea: set usb gadeget's otg capabilities Li Jun
[not found] ` <1434541230-15090-9-git-send-email-jun.li-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
2015-06-18 7:39 ` Roger Quadros
[not found] ` <20150618103935.cfbd94c8c37c5c3298c55272-l0cyMroinI0@public.gmane.org>
2015-06-18 8:20 ` Li Jun
2015-06-18 12:06 ` Roger Quadros
[not found] ` <20150618150627.d7e81ca1d6bdf7dba94c4eff-l0cyMroinI0@public.gmane.org>
2015-06-18 13:10 ` Li Jun
2015-06-24 3:04 ` Peter Chen
2015-06-24 3:34 ` Li Jun
2015-06-24 3:49 ` Peter Chen
2015-06-24 7:22 ` Li Jun
2015-06-24 7:44 ` Peter Chen
2015-06-17 11:40 ` [PATCH v5 09/23] usb: chipidea: update ci_otg_is_fsm_mode conditions Li Jun
2015-06-17 11:40 ` [PATCH v5 10/23] usb: gadget: add usb otg descriptor allocate and init interface Li Jun
2015-06-17 11:40 ` [PATCH v5 11/23] usb: gadget: configfs: allocate and init otg descriptor by otg capabilities Li Jun
2015-06-17 11:40 ` [PATCH v5 12/23] usb: gadget: ether: " Li Jun
[not found] ` <1434541230-15090-13-git-send-email-jun.li-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
2015-06-18 7:43 ` Roger Quadros
[not found] ` <20150618104302.3da49bc854834b0257e3f703-l0cyMroinI0@public.gmane.org>
2015-06-18 7:51 ` Roger Quadros
[not found] ` <20150618105148.cbf486831982d0244d499461-l0cyMroinI0@public.gmane.org>
2015-06-18 8:30 ` Li Jun
2015-06-17 11:40 ` [PATCH v5 13/23] usb: gadget: acm_ms: " Li Jun
2015-06-17 11:40 ` [PATCH v5 14/23] usb: gadget: audio: " Li Jun
2015-06-17 11:40 ` [PATCH v5 15/23] usb: gadget: cdc2: " Li Jun
2015-06-17 11:40 ` [PATCH v5 16/23] usb: gadget: g_ffs: " Li Jun
2015-06-17 11:40 ` [PATCH v5 17/23] usb: gadget: hid: " Li Jun
2015-06-17 11:40 ` [PATCH v5 18/23] usb: gadget: mass_storage: " Li Jun
2015-06-17 11:40 ` [PATCH v5 19/23] usb: gadget: multi: " Li Jun
2015-06-17 11:40 ` [PATCH v5 20/23] usb: gadget: ncm: " Li Jun
2015-06-17 11:40 ` [PATCH v5 21/23] usb: gadget: printer: " Li Jun
2015-06-17 11:40 ` [PATCH v5 22/23] usb: gadget: serial: " Li Jun
2015-06-17 11:40 ` [PATCH v5 23/23] usb: gadget: zero: " Li Jun
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