From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Subject: [v4,08/13] staging: typec: tcpci: enable vbus detection From: Jun Li Message-Id: <1522253178-32414-9-git-send-email-jun.li@nxp.com> Date: Thu, 29 Mar 2018 00:06:13 +0800 To: robh+dt@kernel.org, gregkh@linuxfoundation.org, heikki.krogerus@linux.intel.com, linux@roeck-us.net Cc: a.hajda@samsung.com, shufan_lee@richtek.com, peter.chen@nxp.com, devicetree@vger.kernel.org, linux-usb@vger.kernel.org, linux-imx@nxp.com, jun.li@nxp.com, devel@driverdev.osuosl.org List-ID: VENQQ0kgaW1wbGVtZW50YXRpb24gbWF5IG5lZWQgU1cgdG8gZW5hYmxlIFZCVVMgZGV0ZWN0aW9u IHRvIGdlbmVyYXRlCnBvd2VyIHN0YXR1cyBldmVudHMuCgpSZXZpZXdlZC1ieTogR3VlbnRlciBS b2VjayA8bGludXhAcm9lY2stdXMubmV0PgpTaWduZWQtb2ZmLWJ5OiBMaSBKdW4gPGp1bi5saUBu eHAuY29tPgotLS0KIGRyaXZlcnMvc3RhZ2luZy90eXBlYy90Y3BjaS5jIHwgNiArKysrKysKIDEg ZmlsZSBjaGFuZ2VkLCA2IGluc2VydGlvbnMoKykKCmRpZmYgLS1naXQgYS9kcml2ZXJzL3N0YWdp bmcvdHlwZWMvdGNwY2kuYyBiL2RyaXZlcnMvc3RhZ2luZy90eXBlYy90Y3BjaS5jCmluZGV4IDll MDAxNGIuLmQ1YjRlNGUgMTAwNjQ0Ci0tLSBhL2RyaXZlcnMvc3RhZ2luZy90eXBlYy90Y3BjaS5j CisrKyBiL2RyaXZlcnMvc3RhZ2luZy90eXBlYy90Y3BjaS5jCkBAIC0zNzMsNiArMzczLDEyIEBA IHN0YXRpYyBpbnQgdGNwY2lfaW5pdChzdHJ1Y3QgdGNwY19kZXYgKnRjcGMpCiAJaWYgKHJldCA8 IDApCiAJCXJldHVybiByZXQ7CiAKKwkvKiBFbmFibGUgVmJ1cyBkZXRlY3Rpb24gKi8KKwlyZXQg PSByZWdtYXBfd3JpdGUodGNwY2ktPnJlZ21hcCwgVENQQ19DT01NQU5ELAorCQkJICAgVENQQ19D TURfRU5BQkxFX1ZCVVNfREVURUNUKTsKKwlpZiAocmV0IDwgMCkKKwkJcmV0dXJuIHJldDsKKwog CXJlZyA9IFRDUENfQUxFUlRfVFhfU1VDQ0VTUyB8IFRDUENfQUxFUlRfVFhfRkFJTEVEIHwKIAkJ VENQQ19BTEVSVF9UWF9ESVNDQVJERUQgfCBUQ1BDX0FMRVJUX1JYX1NUQVRVUyB8CiAJCVRDUENf QUxFUlRfUlhfSEFSRF9SU1QgfCBUQ1BDX0FMRVJUX0NDX1NUQVRVUzsK From mboxrd@z Thu Jan 1 00:00:00 1970 From: Li Jun Subject: [PATCH v4 08/13] staging: typec: tcpci: enable vbus detection Date: Thu, 29 Mar 2018 00:06:13 +0800 Message-ID: <1522253178-32414-9-git-send-email-jun.li@nxp.com> References: <1522253178-32414-1-git-send-email-jun.li@nxp.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1522253178-32414-1-git-send-email-jun.li@nxp.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: driverdev-devel-bounces@linuxdriverproject.org Sender: "devel" To: robh+dt@kernel.org, gregkh@linuxfoundation.org, heikki.krogerus@linux.intel.com, linux@roeck-us.net Cc: devel@driverdev.osuosl.org, devicetree@vger.kernel.org, peter.chen@nxp.com, linux-usb@vger.kernel.org, a.hajda@samsung.com, linux-imx@nxp.com, jun.li@nxp.com, shufan_lee@richtek.com List-Id: devicetree@vger.kernel.org TCPCI implementation may need SW to enable VBUS detection to generate power status events. Reviewed-by: Guenter Roeck Signed-off-by: Li Jun --- drivers/staging/typec/tcpci.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/staging/typec/tcpci.c b/drivers/staging/typec/tcpci.c index 9e0014b..d5b4e4e 100644 --- a/drivers/staging/typec/tcpci.c +++ b/drivers/staging/typec/tcpci.c @@ -373,6 +373,12 @@ static int tcpci_init(struct tcpc_dev *tcpc) if (ret < 0) return ret; + /* Enable Vbus detection */ + ret = regmap_write(tcpci->regmap, TCPC_COMMAND, + TCPC_CMD_ENABLE_VBUS_DETECT); + if (ret < 0) + return ret; + reg = TCPC_ALERT_TX_SUCCESS | TCPC_ALERT_TX_FAILED | TCPC_ALERT_TX_DISCARDED | TCPC_ALERT_RX_STATUS | TCPC_ALERT_RX_HARD_RST | TCPC_ALERT_CC_STATUS; -- 2.7.4