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authorDmitry Torokhov2022-09-28 18:15:55 -0700
committerKrzysztof Kozlowski2022-09-30 14:23:33 +0200
commitbd1a665a01b4d65fd8dc6fece4b376fa5c8c55bb (patch)
tree13b37787cf435f2c276e3a981c193a136ebdb657 /.mailmap
parent568035b01cfb107af8d2e4bd2fb9aea22cf5b868 (diff)
arm64: dts: exynos: fix polarity of "enable" line of NFC chip in TM2
According to s3fwrn5 driver code the "enable" GPIO line is driven "high" when chip is not in use (mode is S3FWRN5_MODE_COLD), and is driven "low" when chip is in use. s3fwrn5_phy_power_ctrl(): ... gpio_set_value(phy->gpio_en, 1); ... if (mode != S3FWRN5_MODE_COLD) { msleep(S3FWRN5_EN_WAIT_TIME); gpio_set_value(phy->gpio_en, 0); msleep(S3FWRN5_EN_WAIT_TIME); } Therefore the line described by "en-gpios" property should be annotated as "active low". The wakeup gpio appears to have correct polarity (active high). Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Link: https://lore.kernel.org/r/20220929011557.4165216-1-dmitry.torokhov@gmail.com Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
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