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Mon, 25 Mar 2024 09:15:16 +0000 From: Javier Carrasco Date: Mon, 25 Mar 2024 10:15:11 +0100 Subject: [PATCH v8 1/8] usb: misc: onboard_hub: use device supply names Message-Id: <20240325-onboard_xvf3500-v8-1-29e3f9222922@wolfvision.net> References: <20240325-onboard_xvf3500-v8-0-29e3f9222922@wolfvision.net> In-Reply-To: <20240325-onboard_xvf3500-v8-0-29e3f9222922@wolfvision.net> To: Liam Girdwood , Mark Brown , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Matthias Kaehlcke , Greg Kroah-Hartman , Helen Koike , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Daniel Vetter , Catalin Marinas , Will Deacon , Russell King Cc: linux-sound@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, Javier Carrasco X-Mailer: b4 0.14-dev X-Developer-Signature: v=1; a=ed25519-sha256; t=1711358115; l=5389; i=javier.carrasco@wolfvision.net; s=20240320; h=from:subject:message-id; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?q?FdLM34QSTxRq/YDZ2vaXvfxKvIkv?= =?utf-8?q?mHoD9wS6SAHe4mzz27ZeGcISe6VVfu7+VR71uMOZyjEubUp/Zwdev7GT+H3fc2evw?= =?utf-8?q?aqqAQ3RUusekMmipbLHwFnSRzXILwc1vJj2hH8nAOmszahItbAZe9AcB5zEKEXJX5?= =?utf-8?q?FqGTHMDf5dZfT+X66U3YA1okPV138vOzSZeToSJ3dwYJPB1BtmIMOg4/MvdU6oel8?= =?utf-8?q?LQpZNUmsqgwCkSseytd8s1qqZoMhiX0En4CLwYOzV/9IpNw5uMeBr84Uju98pW3gP?= =?utf-8?q?K8zAakRdBBdMYipByHr4QKbc3cuJpXdVWu+iMaRj7+IN+zVkJVCBq66/BulSQMQtq?= =?utf-8?q?S5WdPLH1Kzu6VEMBvCY47mbS/wzANJYSpefoe7/gMS/XPzqmjybFNQu3eQsjZ6vNh?= =?utf-8?q?mNLJfq4+e1UfXtWcNRI0Wo427dj+9C1Dg3T1/ziGUglbjJ6rIcjPxkK2GE9hfkmwC?= =?utf-8?q?NvBozucPMDRe6Dcz+boIosVHchXOr0KOrzL7mVFLee9MlMqz+gk3S51pb0XoqPGOf?= =?utf-8?q?7mqffqwphFP7u8oVsSXca+jbxkfX8faIXimjuSglcOH+Q2iU4FCydueslSm9kqHuw?= =?utf-8?q?EPdPdRYkniHirLB/X/PJvLrWqsY/Ho8ZL+pdLylY2xTDHe+rws+NzNdvK4AThOd5R?= =?utf-8?q?maWCPYxa6OqZS5qJvqUE2pfYVf4dh3+5Rw5S05Uo6sZOlTfD0AWWvWdTCJ9LLfYfJ?= =?utf-8?q?rHgJNYfOZp4zMIO9q6NlOmxsT8oG1DbOUxK8JHjoBoyeYfKeG07u2D9FbXOhcGW/f?= =?utf-8?q?xGAaJkEmzhUd8OQgzicN9NmfiVA3qV/cvgLlKb9aJMWSpZrdTJzJKgGpxwpsuIgGJ?= =?utf-8?q?XTmTSvJoW5PdHyIPcKK7ne7fWBW/de1JFTCZp0QNe6ICx7blm6bQh0aZCVGpbcqRx?= =?utf-8?q?3sb51MyrVHjoB0WKq6Dk0PDowxcLbxgLGIY6hRqmsUiUrPnd0YxXC6jGQ3mcYJbZB?= =?utf-8?q?pJA05UJ9JR5FBORpPHRJZ4QipmKTpSCP41zZRs1wLz57MwZ5oBVp+Ur1kXnhPfDaf?= =?utf-8?q?RWavqB3Pq2Z1gHb2u0asaihhlQbIFXsAIMtZHaFCnNNL6Z/ACxgYXS+QQM0h2oqg2?= =?utf-8?q?FuFppsiQwor4vjmFL94hqB7AMh2WyGybuNVb5PqeQmlDthbVbVQhJHiOvEqUHTot6?= =?utf-8?q?6xLntUxVLOTBm5zS2NVU87WbLlVJrAaQIq9xks9DtrLVyy7aDsXF7cjmdIPqGNb92?= =?utf-8?q?hJYx5adiReyIqwmeYdn0Axbgoh5cA+dQSqLC0WhfcouxGhPzYTRP1KbQLpl7JVdIG?= =?utf-8?q?J9qDxA1IcSPeZWgpsA4sLa5fO2XTBu9zF6pHqHPieTexie6AICoL7QQzTNZhHBAWj?= =?utf-8?q?xzrQj5LBXfSAP26HPZ7Gkt1yL7nrePOmCbVWWFqjYSAF4tBCKVUQdhNB984TIMoRC?= =?utf-8?q?B43mMc4DGqS7iUjUNUbI+tOtL1X0nEt4k/bFiy8okntKrTQFPlvuu/ODJ23oosNGq?= =?utf-8?q?aj3HDEMG3/LNLITTxWFP8S1NdmEpdHl3eXkYFaOOfHWsxguPSwSnONfA0AcwvorFq?= =?utf-8?q?23CEYNqrmu+a6nTys7vW2/bGKB1dkDE1XSmNl69ciVaHgOnpTyq69lA=3D?= X-OriginatorOrg: wolfvision.net X-MS-Exchange-CrossTenant-Network-Message-Id: 42f82731-cc28-4319-5271-08dc4cac1607 X-MS-Exchange-CrossTenant-AuthSource: VE1PR08MB4974.eurprd08.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 25 Mar 2024 09:15:16.9120 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: e94ec9da-9183-471e-83b3-51baa8eb804f X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: XuCwcZe4mYFUa/BBIgU9fufm5z+9Tz1cD838gvHGdl+/YxfuKIA10OlENUAFjKvPdkEDv9TPQXbWzqSbF+MvS3N6rpC1E4IOxHRs1uAHvdM= X-MS-Exchange-Transport-CrossTenantHeadersStamped: GV1PR08MB9916 The current implementation uses generic names for the power supplies, which conflicts with proper name definitions in the device bindings. Add a per-device property to include real supply names and keep generic names for existing devices to keep backward compatibility. Acked-by: Matthias Kaehlcke Signed-off-by: Javier Carrasco --- drivers/usb/misc/onboard_usb_hub.c | 49 ++++++++++++++++++++------------------ drivers/usb/misc/onboard_usb_hub.h | 13 ++++++++++ 2 files changed, 39 insertions(+), 23 deletions(-) diff --git a/drivers/usb/misc/onboard_usb_hub.c b/drivers/usb/misc/onboard_usb_hub.c index c6101ed2d9d4..5308c54aaabe 100644 --- a/drivers/usb/misc/onboard_usb_hub.c +++ b/drivers/usb/misc/onboard_usb_hub.c @@ -29,17 +29,6 @@ #include "onboard_usb_hub.h" -/* - * Use generic names, as the actual names might differ between hubs. If a new - * hub requires more than the currently supported supplies, add a new one here. - */ -static const char * const supply_names[] = { - "vdd", - "vdd2", -}; - -#define MAX_SUPPLIES ARRAY_SIZE(supply_names) - static void onboard_hub_attach_usb_driver(struct work_struct *work); static struct usb_device_driver onboard_hub_usbdev_driver; @@ -65,6 +54,29 @@ struct onboard_hub { struct clk *clk; }; +static int onboard_hub_get_regulators(struct onboard_hub *hub) +{ + const char * const *supply_names = hub->pdata->supply_names; + unsigned int num_supplies = hub->pdata->num_supplies; + struct device *dev = hub->dev; + unsigned int i; + int err; + + if (num_supplies > MAX_SUPPLIES) + return dev_err_probe(dev, -EINVAL, "max %d supplies supported!\n", + MAX_SUPPLIES); + + for (i = 0; i < num_supplies; i++) + hub->supplies[i].supply = supply_names[i]; + + err = devm_regulator_bulk_get(dev, num_supplies, hub->supplies); + if (err) + dev_err(dev, "Failed to get regulator supplies: %pe\n", + ERR_PTR(err)); + + return err; +} + static int onboard_hub_power_on(struct onboard_hub *hub) { int err; @@ -253,7 +265,6 @@ static int onboard_hub_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct onboard_hub *hub; - unsigned int i; int err; hub = devm_kzalloc(dev, sizeof(*hub), GFP_KERNEL); @@ -264,18 +275,11 @@ static int onboard_hub_probe(struct platform_device *pdev) if (!hub->pdata) return -EINVAL; - if (hub->pdata->num_supplies > MAX_SUPPLIES) - return dev_err_probe(dev, -EINVAL, "max %zu supplies supported!\n", - MAX_SUPPLIES); - - for (i = 0; i < hub->pdata->num_supplies; i++) - hub->supplies[i].supply = supply_names[i]; + hub->dev = dev; - err = devm_regulator_bulk_get(dev, hub->pdata->num_supplies, hub->supplies); - if (err) { - dev_err(dev, "Failed to get regulator supplies: %pe\n", ERR_PTR(err)); + err = onboard_hub_get_regulators(hub); + if (err) return err; - } hub->clk = devm_clk_get_optional(dev, NULL); if (IS_ERR(hub->clk)) @@ -286,7 +290,6 @@ static int onboard_hub_probe(struct platform_device *pdev) if (IS_ERR(hub->reset_gpio)) return dev_err_probe(dev, PTR_ERR(hub->reset_gpio), "failed to get reset GPIO\n"); - hub->dev = dev; mutex_init(&hub->lock); INIT_LIST_HEAD(&hub->udev_list); diff --git a/drivers/usb/misc/onboard_usb_hub.h b/drivers/usb/misc/onboard_usb_hub.h index b4b15d45f84d..edbca8aa6ea0 100644 --- a/drivers/usb/misc/onboard_usb_hub.h +++ b/drivers/usb/misc/onboard_usb_hub.h @@ -6,59 +6,72 @@ #ifndef _USB_MISC_ONBOARD_USB_HUB_H #define _USB_MISC_ONBOARD_USB_HUB_H +#define MAX_SUPPLIES 2 + struct onboard_hub_pdata { unsigned long reset_us; /* reset pulse width in us */ unsigned int num_supplies; /* number of supplies */ + const char * const supply_names[MAX_SUPPLIES]; }; static const struct onboard_hub_pdata microchip_usb424_data = { .reset_us = 1, .num_supplies = 1, + .supply_names = { "vdd" }, }; static const struct onboard_hub_pdata microchip_usb5744_data = { .reset_us = 0, .num_supplies = 2, + .supply_names = { "vdd", "vdd2" }, }; static const struct onboard_hub_pdata realtek_rts5411_data = { .reset_us = 0, .num_supplies = 1, + .supply_names = { "vdd" }, }; static const struct onboard_hub_pdata ti_tusb8020b_data = { .reset_us = 3000, .num_supplies = 1, + .supply_names = { "vdd" }, }; static const struct onboard_hub_pdata ti_tusb8041_data = { .reset_us = 3000, .num_supplies = 1, + .supply_names = { "vdd" }, }; static const struct onboard_hub_pdata cypress_hx3_data = { .reset_us = 10000, .num_supplies = 2, + .supply_names = { "vdd", "vdd2" }, }; static const struct onboard_hub_pdata cypress_hx2vl_data = { .reset_us = 1, .num_supplies = 1, + .supply_names = { "vdd" }, }; static const struct onboard_hub_pdata genesys_gl850g_data = { .reset_us = 3, .num_supplies = 1, + .supply_names = { "vdd" }, }; static const struct onboard_hub_pdata genesys_gl852g_data = { .reset_us = 50, .num_supplies = 1, + .supply_names = { "vdd" }, }; static const struct onboard_hub_pdata vialab_vl817_data = { .reset_us = 10, .num_supplies = 1, + .supply_names = { "vdd" }, }; static const struct of_device_id onboard_hub_match[] = {