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From: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
To: "Rob Herring" <robh+dt@kernel.org>,
	"Krzysztof Kozlowski" <krzysztof.kozlowski+dt@linaro.org>,
	"Conor Dooley" <conor+dt@kernel.org>,
	"Andy Gross" <agross@kernel.org>,
	"Bjorn Andersson" <andersson@kernel.org>,
	"Konrad Dybcio" <konrad.dybcio@linaro.org>,
	"Hans de Goede" <hdegoede@redhat.com>,
	"Ilpo Järvinen" <ilpo.jarvinen@linux.intel.com>,
	"Mark Gross" <markgross@kernel.org>,
	"Heikki Krogerus" <heikki.krogerus@linux.intel.com>,
	"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>
Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-arm-msm@vger.kernel.org,
	platform-driver-x86@vger.kernel.org, linux-usb@vger.kernel.org
Subject: [PATCH 2/2] usb: typec: tcpm: Parse Accessory Mode information
Date: Tue, 21 Nov 2023 01:11:08 +0200	[thread overview]
Message-ID: <20231120231757.2309482-3-dmitry.baryshkov@linaro.org> (raw)
In-Reply-To: <20231120231757.2309482-1-dmitry.baryshkov@linaro.org>

Some of the boards supported by the TCPM drivers can support USB-C
Accessory Modes (Analog Audio, Debug). Parse information about supported
modes from the device tree.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
---
 drivers/usb/typec/tcpm/tcpm.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c
index 6e843c511b85..6297f803de53 100644
--- a/drivers/usb/typec/tcpm/tcpm.c
+++ b/drivers/usb/typec/tcpm/tcpm.c
@@ -6114,6 +6114,7 @@ static int tcpm_fw_get_caps(struct tcpm_port *port,
 {
 	const char *opmode_str;
 	int ret;
+	int mode;
 	u32 mw, frs_current;
 
 	if (!fwnode)
@@ -6132,6 +6133,12 @@ static int tcpm_fw_get_caps(struct tcpm_port *port,
 	if (ret < 0)
 		return ret;
 
+	if (fwnode_property_read_bool(fwnode, "accessory-mode-audio"))
+		port->typec_caps.accessory[mode++] = TYPEC_ACCESSORY_AUDIO;
+
+	if (fwnode_property_read_bool(fwnode, "accessory-mode-debug"))
+		port->typec_caps.accessory[mode++] = TYPEC_ACCESSORY_DEBUG;
+
 	port->port_type = port->typec_caps.type;
 	port->pd_supported = !fwnode_property_read_bool(fwnode, "pd-disable");
 
-- 
2.42.0


  parent reply	other threads:[~2023-11-20 23:18 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-11-20 23:11 [PATCH 0/2] usb: typec: tcpm: Handle Accessory Modes Dmitry Baryshkov
2023-11-20 23:11 ` [PATCH 1/2] dt-bindings: connector: usb: add accessory mode description Dmitry Baryshkov
2023-11-20 23:11 ` Dmitry Baryshkov [this message]
2023-11-21  9:24   ` [PATCH 2/2] usb: typec: tcpm: Parse Accessory Mode information Sergei Shtylyov

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