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([212.34.12.50]) by smtp.gmail.com with ESMTPSA id d4-20020a170906370400b0099bd8c1f67esm9654593ejc.109.2023.09.27.10.57.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 27 Sep 2023 10:57:49 -0700 (PDT) From: Abdel Alkuor To: heikki.krogerus@linux.intel.com, krzysztof.kozlowski+dt@linaro.org, bryan.odonoghue@linaro.org Cc: gregkh@linuxfoundation.org, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, ryan.eleceng@gmail.com, robh+dt@kernel.org, conor+dt@kernel.org, devicetree@vger.kernel.org, Abdel Alkuor Subject: [PATCH v7 11/14] USB: typec: tps6598x: Enable sleep mode for tps25750 Date: Wed, 27 Sep 2023 13:53:45 -0400 Message-Id: <20230927175348.18041-12-alkuor@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230927175348.18041-1-alkuor@gmail.com> References: <20230927175348.18041-1-alkuor@gmail.com> MIME-Version: 1.0 X-Spam-Status: No, score=0.9 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,RCVD_IN_SORBS_WEB, SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lipwig.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (lipwig.vger.email [0.0.0.0]); Wed, 27 Sep 2023 10:58:50 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1778247205004446756 X-GMAIL-MSGID: 1778247205004446756 From: Abdel Alkuor Allow controller to enter sleep mode after the device is idle for sleep time. Signed-off-by: Abdel Alkuor --- Changes in v7: - Add driver name to commit subject Changes in v6: - Use tps25750_init instead of tps25750_apply_patch in resume as it initializes sleep mode Changes in v5: - Incorporating tps25750 into tps6598x driver drivers/usb/typec/tipd/core.c | 23 +++++++++++++++++++++-- drivers/usb/typec/tipd/tps6598x.h | 3 +++ 2 files changed, 24 insertions(+), 2 deletions(-) diff --git a/drivers/usb/typec/tipd/core.c b/drivers/usb/typec/tipd/core.c index e775c3c9bf64..19bb2105b5b2 100644 --- a/drivers/usb/typec/tipd/core.c +++ b/drivers/usb/typec/tipd/core.c @@ -42,6 +42,7 @@ #define TPS_REG_PD_STATUS 0x40 #define TPS_REG_RX_IDENTITY_SOP 0x48 #define TPS_REG_DATA_STATUS 0x5f +#define TPS_REG_SLEEP_CONF 0x70 /* TPS_REG_SYSTEM_CONF bits */ #define TPS_SYSCONF_PORTINFO(c) ((c) & 7) @@ -1040,6 +1041,24 @@ static int tps25750_apply_patch(struct tps6598x *tps) return 0; }; +static int tps25750_init(struct tps6598x *tps) +{ + int ret; + + ret = tps25750_apply_patch(tps); + if (ret) + return ret; + + ret = tps6598x_write8(tps, TPS_REG_SLEEP_CONF, + TPS_SLEEP_CONF_SLEEP_MODE_ALLOWED); + if (ret) + dev_warn(tps->dev, + "%s: failed to enable sleep mode: %d\n", + __func__, ret); + + return 0; +} + static int tps6598x_register_port(struct tps6598x *tps, struct fwnode_handle *fwnode) { @@ -1226,7 +1245,7 @@ static int tps6598x_probe(struct i2c_client *client) return ret; if (is_tps25750 && ret == TPS_MODE_PTCH) { - ret = tps25750_apply_patch(tps); + ret = tps25750_init(tps); if (ret) return ret; } @@ -1365,7 +1384,7 @@ static int __maybe_unused tps6598x_resume(struct device *dev) return ret; if (of_device_is_compatible(np, "ti,tps25750") && ret == TPS_MODE_PTCH) { - ret = tps25750_apply_patch(tps); + ret = tps25750_init(tps); if (ret) return ret; } diff --git a/drivers/usb/typec/tipd/tps6598x.h b/drivers/usb/typec/tipd/tps6598x.h index 3a9a43394134..f86b5e96efba 100644 --- a/drivers/usb/typec/tipd/tps6598x.h +++ b/drivers/usb/typec/tipd/tps6598x.h @@ -213,4 +213,7 @@ #define TPS_PD_STATUS_PORT_TYPE_SOURCE 2 #define TPS_PD_STATUS_PORT_TYPE_SOURCE_SINK 3 +/* SLEEP CONF REG */ +#define TPS_SLEEP_CONF_SLEEP_MODE_ALLOWED BIT(0) + #endif /* __TPS6598X_H__ */