linux-kernel - [PATCH v4 0/3] Update cros-ec-spi for fingerprint devices

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Message-Id: <20220321191100.1993-1-swboyd@chromium.org>
Date:   Mon, 21 Mar 2022 12:10:56 -0700
From:   Stephen Boyd <swboyd@...omium.org>
To:     Benson Leung <bleung@...omium.org>
Cc:     linux-kernel@...r.kernel.org, chrome-platform@...ts.linux.dev,
        Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org,
        Guenter Roeck <groeck@...omium.org>,
        Douglas Anderson <dianders@...omium.org>,
        Craig Hesling <hesling@...omium.org>,
        Tom Hughes <tomhughes@...omium.org>,
        Alexandru M Stan <amstan@...omium.org>,
        Tzung-Bi Shih <tzungbi@...nel.org>,
        Matthias Kaehlcke <mka@...omium.org>
Subject: [PATCH v4 0/3] Update cros-ec-spi for fingerprint devices

This patch series introduces a DT binding for chromeos fingerprint
devices and then implements support to boot those processors during
driver probe if the BIOS hasn't done it already.

Changes from v3 (https://lore.kernel.org/r/20220318015451.2869388-1-swboyd@chromium.org):
 * Drop spi_device_id because it isn't used
 * Dropped struct members for gpios
 * Picked up tags

Changes from v2 (https://lore.kernel.org/r/20220317005814.2496302-1-swboyd@chromium.org):
 * Dropped cros-ec spi dt properties that aren't of use right now
 * Picked up tags

Changes from v1 (https://lore.kernel.org/r/20220314232214.4183078-1-swboyd@chromium.org):
 * Properly do the boot sequence
 * Add a message that we're booting and delaying a while
 * Fix typo in commit text
 * Change binding to not spell out reset-gpios and indicate that boot0
   is about asserting boot mode
 * Split device id to different patch as it's a different topic from
   booting

Stephen Boyd (3):
  dt-bindings: chrome: Add ChromeOS fingerprint binding
  platform/chrome: cros_ec_spi: Match cros-ec-fp compatible
  platform/chrome: cros_ec_spi: Boot fingerprint processor during probe

 .../bindings/chrome/google,cros-ec-fp.yaml    | 66 +++++++++++++++++++
 drivers/platform/chrome/cros_ec_spi.c         | 43 +++++++++++-
 2 files changed, 106 insertions(+), 3 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/chrome/google,cros-ec-fp.yaml

Cc: Rob Herring <robh+dt@...nel.org>
Cc: <devicetree@...r.kernel.org>
Cc: Guenter Roeck <groeck@...omium.org>
Cc: Douglas Anderson <dianders@...omium.org>
Cc: Craig Hesling <hesling@...omium.org>
Cc: Tom Hughes <tomhughes@...omium.org>
Cc: Alexandru M Stan <amstan@...omium.org>
Cc: Tzung-Bi Shih <tzungbi@...nel.org>
Cc: Matthias Kaehlcke <mka@...omium.org>

base-commit: ffb217a13a2eaf6d5bd974fc83036a53ca69f1e2
-- 
https://chromeos.dev