From patchwork Sat Sep 23 07:39:55 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Abdel Alkuor X-Patchwork-Id: 725840 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CF00CC8F5; Sat, 23 Sep 2023 07:40:57 +0000 (UTC) Received: from mail-wr1-x42e.google.com (mail-wr1-x42e.google.com [IPv6:2a00:1450:4864:20::42e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F0207CC3; Sat, 23 Sep 2023 00:40:54 -0700 (PDT) Received: by mail-wr1-x42e.google.com with SMTP id ffacd0b85a97d-31dcf18f9e2so3191814f8f.0; Sat, 23 Sep 2023 00:40:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1695454852; x=1696059652; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=QZxo1B/VHfhPPPS7W1orDfRrMmOmst2RNRIjfpEvVPA=; b=eoIYFcn+Me5PoGK3SgmaKD3cvcS1vGLp1CN2aChxezzh+bnrvVyUqPwBQGjGTyEvkN g2pjZvnpI6GAZfDQK6Rr1CFzOqCL9ZjtUsq2iJmRPwaZZi3oyzNFq13eEVC4lE20qqVl Tp3G1ASbLxVNQXdHNQhx6vAjsmA3nakR7BbtLTxjfquAk8ZcAr9W0PwTF3dAbZpO90vL s1pFwalbyaOdWc1AMfpa4NWC2SpNta725AptvhYNOi8dbqdV1G6nHnVoWxp0ByXy6D4v ZDF1j5Z3YyLGle1lk0hdAG37kYFzDaPDmyzF6QVkwp9YbgehyBskc9Fdn4A1plU5S4m3 Go4A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1695454852; x=1696059652; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=QZxo1B/VHfhPPPS7W1orDfRrMmOmst2RNRIjfpEvVPA=; b=aTVyRbqw5vfTMBJARVemV4MpL9ObcYbjonJMsiV9QTM37qpQI6laj5HAC7YQtOYKIG /qjGqRpaPwteQt0S8CoJat3L7o3IM+cCNdZQIlUokmU1Y5K8gH4LShVGlaWUp7W2rGIv hNSZPznhmdwnEfezAHW1X7xUmBPDUmNwhOv4R01q8oz0Rds3A4DiWBB2Txq1m4pAq09+ L5pJU4qmy0o2+gqZOk9FsIa/6AnD3QlQf15qjYcSXM3tTBy3udCyuc6T4yeElXaNo5pN rM993aqX/eWKtD6p+txizfB63deEmeIAOjQJnc365sU4+1P+dd8j67LFnZQWL+d6/+ji gt0A== X-Gm-Message-State: AOJu0YxP7wK+L/oNwr6YXIBwo+3hiWnfBJAXTGQ34pkbKx66Epe+DXPY k9FiEE6Du2LilrtfNjX1emo= X-Google-Smtp-Source: AGHT+IEioOh9c2dNWHVfB9J/mFt72tg5I583iGBfuj1LI3yeHE5gRoQEqHCZxl9C1VzCVWd5Fc2xAQ== X-Received: by 2002:a5d:4e83:0:b0:319:785a:fce5 with SMTP id e3-20020a5d4e83000000b00319785afce5mr1454983wru.38.1695454851878; Sat, 23 Sep 2023 00:40:51 -0700 (PDT) Received: from primary.. ([213.139.62.222]) by smtp.gmail.com with ESMTPSA id k6-20020adfe3c6000000b003196e992567sm6236955wrm.115.2023.09.23.00.40.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 23 Sep 2023 00:40:51 -0700 (PDT) From: Abdel Alkuor To: heikki.krogerus@linux.intel.com, krzysztof.kozlowski+dt@linaro.org, bryan.odonoghue@linaro.org Cc: gregkh@linuxfoundation.org, robh+dt@kernel.org, linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, conor+dt@kernel.org, ryan.eleceng@gmail.com, Abdel Alkuor Subject: [PATCH v6 10/14] USB: typec: Add port registration for tps25750 Date: Sat, 23 Sep 2023 03:39:55 -0400 Message-Id: <20230923073959.86660-11-alkuor@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230923073959.86660-1-alkuor@gmail.com> References: <20230923073959.86660-1-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_NONE,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 TPS25750 doesn't have system configuration register to get dr/pr of the current applied binary configuration. Get data role from the device node and power role from PD status register. Signed-off-by: Abdel Alkuor --- Changes in v6: - Add port registration to tipd data factory Changes in v5: - Incorporating tps25750 into tps6598x driver drivers/usb/typec/tipd/core.c | 66 ++++++++++++++++++++++++++++++- drivers/usb/typec/tipd/tps6598x.h | 10 +++++ 2 files changed, 75 insertions(+), 1 deletion(-) diff --git a/drivers/usb/typec/tipd/core.c b/drivers/usb/typec/tipd/core.c index ee53011ec5e2..cfaad9a917a2 100644 --- a/drivers/usb/typec/tipd/core.c +++ b/drivers/usb/typec/tipd/core.c @@ -39,6 +39,7 @@ #define TPS_REG_CTRL_CONF 0x29 #define TPS_REG_BOOT_STATUS 0x2D #define TPS_REG_POWER_STATUS 0x3f +#define TPS_REG_PD_STATUS 0x40 #define TPS_REG_RX_IDENTITY_SOP 0x48 #define TPS_REG_DATA_STATUS 0x5f @@ -107,6 +108,7 @@ struct tipd_data { irq_handler_t irq_handler; int (*read_events)(struct tps6598x *tps, void *events); int (*clear_events)(struct tps6598x *tps, void *events); + int (*register_port)(struct tps6598x *tps, struct fwnode_handle *node); }; struct tps6598x { @@ -211,6 +213,11 @@ static inline int tps6598x_read64(struct tps6598x *tps, u8 reg, u64 *val) return tps6598x_block_read(tps, reg, val, sizeof(u64)); } +static inline int tps6598x_write8(struct tps6598x *tps, u8 reg, u8 val) +{ + return tps6598x_block_write(tps, reg, &val, sizeof(u8)); +} + static inline int tps6598x_write64(struct tps6598x *tps, u8 reg, u64 val) { return tps6598x_block_write(tps, reg, &val, sizeof(u64)); @@ -1051,20 +1058,77 @@ tps6598x_register_port(struct tps6598x *tps, struct fwnode_handle *fwnode) return 0; } +static int +tps25750_register_port(struct tps6598x *tps, struct fwnode_handle *fwnode) +{ + struct typec_capability typec_cap = { }; + const char *data_role; + u8 pd_status; + int ret; + + ret = tps6598x_read8(tps, TPS_REG_PD_STATUS, &pd_status); + if (ret) + return ret; + + ret = fwnode_property_read_string(fwnode, "data-role", &data_role); + if (ret) { + dev_err(tps->dev, "data-role not found: %d\n", ret); + return ret; + } + + ret = typec_find_port_data_role(data_role); + if (ret < 0) { + dev_err(tps->dev, "unknown data-role: %s\n", data_role); + return ret; + } + + typec_cap.data = ret; + typec_cap.revision = USB_TYPEC_REV_1_3; + typec_cap.pd_revision = 0x300; + typec_cap.driver_data = tps; + typec_cap.ops = &tps6598x_ops; + typec_cap.fwnode = fwnode; + typec_cap.prefer_role = TYPEC_NO_PREFERRED_ROLE; + + switch (TPS_PD_STATUS_PORT_TYPE(pd_status)) { + case TPS_PD_STATUS_PORT_TYPE_SINK_SOURCE: + case TPS_PD_STATUS_PORT_TYPE_SOURCE_SINK: + typec_cap.type = TYPEC_PORT_DRP; + break; + case TPS_PD_STATUS_PORT_TYPE_SINK: + typec_cap.type = TYPEC_PORT_SNK; + break; + case TPS_PD_STATUS_PORT_TYPE_SOURCE: + typec_cap.type = TYPEC_PORT_SRC; + break; + default: + return -ENODEV; + } + + tps->port = typec_register_port(tps->dev, &typec_cap); + if (IS_ERR(tps->port)) + return PTR_ERR(tps->port); + + return 0; +} + static const struct tipd_data cd321x_data = { .irq_handler = cd321x_interrupt, + .register_port = tps6598x_register_port, }; static const struct tipd_data tps6598x_data = { .irq_handler = tps6598x_interrupt, .read_events = tps6598x_read_events, .clear_events = tps6598x_clear_events, + .register_port = tps6598x_register_port, }; static const struct tipd_data tps25750_data = { .irq_handler = tps6598x_interrupt, .read_events = tps25750_read_events, .clear_events = tps25750_clear_events, + .register_port = tps25750_register_port, }; static int tps6598x_probe(struct i2c_client *client) @@ -1167,7 +1231,7 @@ static int tps6598x_probe(struct i2c_client *client) if (ret) goto err_role_put; - ret = tps6598x_register_port(tps, fwnode); + ret = tps->cb.register_port(tps, fwnode); if (ret) goto err_role_put; diff --git a/drivers/usb/typec/tipd/tps6598x.h b/drivers/usb/typec/tipd/tps6598x.h index c000170f4547..3a9a43394134 100644 --- a/drivers/usb/typec/tipd/tps6598x.h +++ b/drivers/usb/typec/tipd/tps6598x.h @@ -203,4 +203,14 @@ #define TPS_BOOT_STATUS_DEAD_BATTERY_FLAG BIT(2) #define TPS_BOOT_STATUS_I2C_EEPROM_PRESENT BIT(3) +/* PD STATUS REG */ +#define TPS_REG_PD_STATUS_PORT_TYPE_MASK GENMASK(5, 4) +#define TPS_PD_STATUS_PORT_TYPE(x) \ + TPS_FIELD_GET(TPS_REG_PD_STATUS_PORT_TYPE_MASK, x) + +#define TPS_PD_STATUS_PORT_TYPE_SINK_SOURCE 0 +#define TPS_PD_STATUS_PORT_TYPE_SINK 1 +#define TPS_PD_STATUS_PORT_TYPE_SOURCE 2 +#define TPS_PD_STATUS_PORT_TYPE_SOURCE_SINK 3 + #endif /* __TPS6598X_H__ */