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[34.125.199.175]) by smtp.gmail.com with UTF8SMTPSA id e21-20020a17090ac21500b00298dd684b8csm5810598pjt.32.2024.02.19.12.23.31 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 19 Feb 2024 12:23:31 -0800 (PST) From: Stephen Boyd To: Lee Jones Cc: linux-kernel@vger.kernel.org, patches@lists.linux.dev, devicetree@vger.kernel.org, chrome-platform@lists.linux.dev, Douglas Anderson , Pin-yen Lin , Linus Walleij , Bartosz Golaszewski , Benson Leung , Guenter Roeck Subject: [PATCH 2/2] mfd: cros_ec_dev: Add gpio device if feature present on EC Date: Mon, 19 Feb 2024 12:23:24 -0800 Message-ID: <20240219202325.4095816-3-swboyd@chromium.org> X-Mailer: git-send-email 2.44.0.rc0.258.g7320e95886-goog In-Reply-To: <20240219202325.4095816-1-swboyd@chromium.org> References: <20240219202325.4095816-1-swboyd@chromium.org> Precedence: bulk X-Mailing-List: chrome-platform@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 The ChromeOS embedded controller (EC) supports setting the state of GPIOs when the system is unlocked, and getting the state of GPIOs in all cases. Check for the feature support by checking for the GPIO feature and then populate a sub-device for the gpio hardware on the EC. Cc: Lee Jones Cc: Linus Walleij Cc: Bartosz Golaszewski Cc: Benson Leung Cc: Guenter Roeck Cc: Cc: Pin-yen Lin Signed-off-by: Stephen Boyd --- drivers/mfd/cros_ec_dev.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/mfd/cros_ec_dev.c b/drivers/mfd/cros_ec_dev.c index 603b1cd52785..9c3f8488b416 100644 --- a/drivers/mfd/cros_ec_dev.c +++ b/drivers/mfd/cros_ec_dev.c @@ -74,6 +74,10 @@ static const struct mfd_cell cros_ec_cec_cells[] = { { .name = "cros-ec-cec", }, }; +static const struct mfd_cell cros_ec_gpio_cells[] = { + { .name = "cros-ec-gpio", }, +}; + static const struct mfd_cell cros_ec_rtc_cells[] = { { .name = "cros-ec-rtc", }, }; @@ -97,6 +101,11 @@ static const struct cros_feature_to_cells cros_subdevices[] = { .mfd_cells = cros_ec_cec_cells, .num_cells = ARRAY_SIZE(cros_ec_cec_cells), }, + { + .id = EC_FEATURE_GPIO, + .mfd_cells = cros_ec_gpio_cells, + .num_cells = ARRAY_SIZE(cros_ec_gpio_cells), + }, { .id = EC_FEATURE_RTC, .mfd_cells = cros_ec_rtc_cells,