Message-ID: <CAGXv+5FW8qYnBYJsf+gLEaEGnwunPFdjjVF9YUqDqCVAjXWuKA@mail.gmail.com>
Date:   Mon, 6 Feb 2023 16:40:07 +0800
From:   Chen-Yu Tsai <wenst@...omium.org>
To:     Pin-yen Lin <treapking@...omium.org>
Cc:     Andrzej Hajda <andrzej.hajda@...el.com>,
        Neil Armstrong <neil.armstrong@...aro.org>,
        Robert Foss <robert.foss@...aro.org>,
        Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
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        Daniel Vetter <daniel@...ll.ch>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
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        Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Rafael J . Wysocki" <rafael@...nel.org>,
        Prashant Malani <pmalani@...omium.org>,
        Benson Leung <bleung@...omium.org>,
        Guenter Roeck <groeck@...omium.org>,
        "Gustavo A. R. Silva" <gustavoars@...nel.org>,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        Marek Vasut <marex@...x.de>, chrome-platform@...ts.linux.dev,
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        Nícolas F . R . A . Prado 
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        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Douglas Anderson <dianders@...omium.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        Alex Deucher <alexander.deucher@....com>,
        José Expósito <jose.exposito89@...il.com>
Subject: Re: [PATCH v11 0/9] Register Type-C mode-switch in DP bridge endpoints

On Sat, Feb 4, 2023 at 9:30 PM Pin-yen Lin <treapking@...omium.org> wrote:
>
>
> This series introduces bindings for anx7625/it6505 to register Type-C
> mode-switch in their output endpoints, and use data-lanes property to
> describe the pin connections.
>
> This series is not directly related to the built-in mux in anx7625,
> which automatically switches between the two orientations of a single
> Type-C connector. This series adds support of registering mode switches
> for two downstream devices, while we use orientation switches for two
> orientations of the Type-C connector.
>
> The first two patch modifies fwnode_graph_devcon_matches and
> cros_typec_init_ports to enable the registration of the switches.
>
> Patch 4~6 introduce the bindings for anx7625 and the corresponding driver
> modifications.
>
> Patch 7~9 add similar bindings and driver changes for it6505.
>
> v10: https://lore.kernel.org/all/20230112042104.4107253-1-treapking@chromium.org/
> v9: https://lore.kernel.org/all/20230109084101.265664-1-treapking@chromium.org/
> v8: https://lore.kernel.org/all/20230107102231.23682-1-treapking@chromium.org/
> v7: https://lore.kernel.org/all/20230105132457.4125372-1-treapking@chromium.org/
> v6: https://lore.kernel.org/all/20221124102056.393220-1-treapking@chromium.org/
> v5: https://lore.kernel.org/linux-usb/20220622173605.1168416-1-pmalani@chromium.org/
>
> Changes in v11:
> - Added missing fwnode_handle_put in drivers/base/property.c
> - Collected Acked-by tag
> - Use fwnode helpers instead of DT
> - Moved the helpers to a new file
> - Use "reg" instead of "data-lanes" to determine the port number
> - Updated the description of the endpoints in the bindings
> - Referenced video-interfaces.yaml instead for the endpoints binding
> - Removed duplicated definitions from inherited schema
> - Moved the "data-lanes" parsing logics to bridge drivers
> - Removed Kconfig dependencies for the bridge drivers
> - Updated the usage of the private bridge driver data
> - Added a clarification on the anx7625 built-in mux in the cover letter
>
> Changes in v10:
> - Collected Reviewed-by and Tested-by tags
> - Replaced "void *" with "typec_mux_set_fn_t" for mux_set callbacks
> - Print out the node name when errors on parsing DT
> - Use dev_dbg instead of dev_warn when no Type-C switch nodes available
> - Made the return path of drm_dp_register_mode_switch clearer
> - Added a TODO for implementing orientation switch for anx7625
> - Updated the commit message for the absence of orientation switch
> - Fixed typo in the commit message
>
> Changes in v9:
> - Collected Reviewed-by tag
> - Fixed subject prefix again
> - Changed the naming of the example node for it6505
>
> Changes in v8:
> - Fixed the build issue when CONFIG_TYPEC=m
> - Fixed some style issues
> - Fixed the subject prefixes for the bindings patch
> - Fixed the bindings for data-lanes properties
>
> Changes in v7:
> - Fix the long comment lines
> - Extracted the common codes to a helper function
> - Fixed style issues in anx7625 driver
> - Removed DT property validation in anx7625 driver.
> - Fixed style issues in it6505 driver
> - Removed the redundant sleep in it6505 driver
> - Removed DT property validation in it6505 driver
> - Rebased to drm-misc-next
> - Fixed indentations in bindings patches
> - Added a new patch to fix indentations in Kconfig
>
> Changes in v6:
> - Changed it6505_typec_mux_set callback function to accommodate with
>   the latest drm-misc patches
> - Changed the driver implementation to accommodate with the new binding
> - Dropped typec-switch binding and use endpoints and data-lanes properties
>   to describe the pin connections
> - Added new patches (patch 1,2,4) to fix probing issues
> - Changed the bindings of it6505/anx7625 and modified the drivers
>   accordingly
> - Merged it6505/anx7625 driver changes into a single patch
>
> Pin-yen Lin (7):
>   drm/display: Add Type-C switch helpers
>   dt-bindings: display: bridge: anx7625: Add mode-switch support
>   drm/bridge: anx7625: Check for Type-C during panel registration
>   drm/bridge: anx7625: Register Type C mode switches
>   dt-bindings: display: bridge: it6505: Add mode-switch support
>   drm/bridge: it6505: Fix Kconfig indentation
>   drm/bridge: it6505: Register Type C mode switches
>
> Prashant Malani (2):
>   device property: Add remote endpoint to devcon matcher
>   platform/chrome: cros_ec_typec: Purge blocking switch devlinks

Whole series is

Tested-by: Chen-Yu Tsai <wenst@...omium.org>

on MT8192-based Hayato for anx7625 and not-yet-upstreamed MT8186 device
for it6505.

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