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([213.139.52.198]) by smtp.gmail.com with ESMTPSA id e8-20020a170906374800b0099cf840527csm15121841ejc.153.2023.10.01.01.15.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 01 Oct 2023 01:15:37 -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 v9 11/14] USB: typec: tps6598x: Enable sleep mode for tps25750 Date: Sun, 1 Oct 2023 04:11:31 -0400 Message-Id: <20231001081134.37101-12-alkuor@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20231001081134.37101-1-alkuor@gmail.com> References: <20231001081134.37101-1-alkuor@gmail.com> Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM, RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net From: Abdel Alkuor Allow controller to enter sleep mode after the device is idle for sleep time. Signed-off-by: Abdel Alkuor --- Changes in v9: - No changes Changes in v8: - No changes 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 ae08c5306707..ddb5db7d5855 100644 --- a/drivers/usb/typec/tipd/core.c +++ b/drivers/usb/typec/tipd/core.c @@ -43,6 +43,7 @@ #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) @@ -1041,6 +1042,24 @@ 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) { @@ -1211,7 +1230,7 @@ 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; } @@ -1348,7 +1367,7 @@ static int __maybe_unused tps6598x_resume(struct device *dev) return ret; if (device_is_compatible(tps->dev, "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__ */