From patchwork Sun Sep 17 15:26:34 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Abdel Alkuor X-Patchwork-Id: 13388590 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 21F19748B; Sun, 17 Sep 2023 15:27:47 +0000 (UTC) Received: from mail-wm1-x332.google.com (mail-wm1-x332.google.com [IPv6:2a00:1450:4864:20::332]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 103D2188; Sun, 17 Sep 2023 08:27:44 -0700 (PDT) Received: by mail-wm1-x332.google.com with SMTP id 5b1f17b1804b1-404573e6c8fso36715645e9.1; Sun, 17 Sep 2023 08:27:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1694964462; x=1695569262; 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=cxpfJhVV2ocOjrZiYJqyl63jEXCWOHPBdFU1UNBK2Hg=; b=gRNBpb9HOtqxDzQhi4tad8dwDUm3yEPAnN2kMYMEeY0eDvamf27XQET8oInvCY85yR RL1B1/F0LyavWkcbVLTtVbzZDIBnSXNQUi17OR2p5e6BSQJCPZxQDmu4VKejfOQud3CQ ng6G8N5QDJNR8sB5dpIKhOqOk2LOncO+18Gc7Fbu4Iqm6PWaMU5vCWyexkv/PROjNCW3 mXo4T8jq28DAe4YEUc/S4fPht9yg6JnkpEBm2utYBMxJpb0Y6rm3rdzep+0uuVytqdEs HiCpw6ZLHgQwMBf3StqNQCldf1t51bqhAQdkP2ccSQBwVATaIulAM5yPeKKQbLL9rsSd D2Ew== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1694964462; x=1695569262; 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=cxpfJhVV2ocOjrZiYJqyl63jEXCWOHPBdFU1UNBK2Hg=; b=ewPDrh5p6E3rOKVLvK6zMd2KvCbYKe7EufRivWWZ1ZJY7Z9OeNFus9ExkqyU1lVu8E DxXvvXXAUpf/sG6okYlL9JUit4RF5F4/jvFvR5hkjv2BPcxXVVU7Amuf1LYlU/5CYhJO POVyna0KSpRu+YA0LR1cXQUhbC93cIAi9tEwi89VV5uepfLP37XGASR+qjpaKcjV4IdZ 0nWbTWnxQcvnHTJsHIVkkqZLeopKpkUudfKeitCThnlXeI3sHOhjGWjWzjMyirj8Wfqg i34W/o4SjXAcaTMnxFDeagMTci6RTptzv708cfICjYp6ADuLPoN/WMf6oz/gCISVIala 8rmQ== X-Gm-Message-State: AOJu0Yzniukqyza9UMLyQOiPlP6rpUDxZXdvpuSo41nNBGWIhRj5hfP9 aE4qC42+PTWeGZRunrtcJxU= X-Google-Smtp-Source: AGHT+IE2whKvpl5VAri2AnH12htURwwKvEYwF8MPrJNUKJ1cuni1fK0gHc0sI7GYpuTgXWiceWtWpw== X-Received: by 2002:a1c:7419:0:b0:402:feff:90d5 with SMTP id p25-20020a1c7419000000b00402feff90d5mr5647361wmc.5.1694964462453; Sun, 17 Sep 2023 08:27:42 -0700 (PDT) Received: from localhost.localdomain ([5.45.134.53]) by smtp.gmail.com with ESMTPSA id j23-20020a05600c489700b003fe15ac0934sm7388865wmp.1.2023.09.17.08.27.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 17 Sep 2023 08:27:42 -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, conor+dt@kernel.org, linux-kernel@vger.kernel.org, abdelalkuor@geotab.com Subject: [PATCH v5 10/15] USB: typec: Add port registration for tps25750 Date: Sun, 17 Sep 2023 11:26:34 -0400 Message-Id: <20230917152639.21443-11-alkuor@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230917152639.21443-1-alkuor@gmail.com> References: <20230917152639.21443-1-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 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 --- drivers/usb/typec/tipd/core.c | 61 ++++++++++++++++++++++++++++++- drivers/usb/typec/tipd/tps6598x.h | 10 +++++ 2 files changed, 70 insertions(+), 1 deletion(-) diff --git a/drivers/usb/typec/tipd/core.c b/drivers/usb/typec/tipd/core.c index 8218d88a4a06..a97fda68cb54 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 @@ -1028,6 +1029,60 @@ 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 int tps6598x_probe(struct i2c_client *client) { irq_handler_t irq_handler = tps6598x_interrupt; @@ -1124,7 +1179,11 @@ static int tps6598x_probe(struct i2c_client *client) if (ret) goto err_role_put; - ret = tps6598x_register_port(tps, fwnode); + if (np && of_device_is_compatible(np, "ti,tps25750")) + ret = tps25750_register_port(tps, fwnode); + else + ret = tps6598x_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 362e1eca53ad..d2c65387994f 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 TPS25750_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__ */