From: Alexander Stein <alexander.stein@ew.tq-group.com> To: Dmitry Torokhov <dmitry.torokhov@gmail.com> Cc: Linus Walleij <linus.walleij@linaro.org>, Bartosz Golaszewski <brgl@bgdev.pl>, linux-arm-kernel@lists.infradead.org, Daniel Thompson <daniel.thompson@linaro.org>, linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org, Andy Shevchenko <andriy.shevchenko@linux.intel.com>, linux-arm-kernel@lists.infradead.org, linux-gpio@vger.kernel.org Subject: Re: [PATCH 7/7] gpiolib: of: add quirk for phy reset polarity for Freescale Ethernet Date: Wed, 12 Oct 2022 08:14:46 +0200 [thread overview] Message-ID: <12081856.O9o76ZdvQC@steina-w> (raw) In-Reply-To: <20221011-gpiolib-quirks-v1-7-e01d9d3e7b29@gmail.com> Am Mittwoch, 12. Oktober 2022, 00:19:35 CEST schrieb Dmitry Torokhov: > Bindings for Freescale Fast Ethernet Controller use a separate > property "phy-reset-active-high" to specify polarity of its phy > gpio line. To allow converting the driver to gpiod API we need > to add this quirk to gpiolib. > > Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> > --- > drivers/gpio/gpiolib-of.c | 27 +++++++++++++++++++++++++++ > 1 file changed, 27 insertions(+) > > diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c > index 3200d705fbe3..c3d3fe4d927c 100644 > --- a/drivers/gpio/gpiolib-of.c > +++ b/drivers/gpio/gpiolib-of.c > @@ -231,6 +231,33 @@ static void of_gpio_flags_quirks(const struct > device_node *np, !strcmp(propname, "snps,reset-gpio") && > of_property_read_bool(np, "snps,reset-active-low")) > *flags |= OF_GPIO_ACTIVE_LOW; > + > + /* > + * Freescale Fast Ethernet Controller uses a separate property to > + * describe polarity of the phy reset line. > + */ > + if (IS_ENABLED(CONFIG_FEC)) { > + static const char * const fec_devices[] = { > + "fsl,imx25-fec", > + "fsl,imx27-fec", > + "fsl,imx28-fec", > + "fsl,imx6q-fec", > + "fsl,mvf600-fec", > + "fsl,imx6sx-fec", > + "fsl,imx6ul-fec", > + "fsl,imx6mq-fec", > + "fsl,imx6qm-fec", These two should be 'fsl,imx8mq-fec' & 'fsl,imx8qm-fec' (imx8 instead of imx6). Best regards, Alexander > + "fsl,s32v234-fec", > + NULL > + }; > + > + if (!strcmp(propname, "phy-reset-gpios") && > + of_device_compatible_match(np, fec_devices)) { > + bool active_high = of_property_read_bool(np, > + "phy-reset- active-high"); > + of_gpio_quirk_polarity(np, active_high, flags); > + } > + } > } > > /**
WARNING: multiple messages have this Message-ID (diff)
From: Alexander Stein <alexander.stein@ew.tq-group.com> To: Dmitry Torokhov <dmitry.torokhov@gmail.com> Cc: Linus Walleij <linus.walleij@linaro.org>, Bartosz Golaszewski <brgl@bgdev.pl>, linux-arm-kernel@lists.infradead.org, Daniel Thompson <daniel.thompson@linaro.org>, linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org, Andy Shevchenko <andriy.shevchenko@linux.intel.com>, linux-arm-kernel@lists.infradead.org, linux-gpio@vger.kernel.org Subject: Re: [PATCH 7/7] gpiolib: of: add quirk for phy reset polarity for Freescale Ethernet Date: Wed, 12 Oct 2022 08:14:46 +0200 [thread overview] Message-ID: <12081856.O9o76ZdvQC@steina-w> (raw) In-Reply-To: <20221011-gpiolib-quirks-v1-7-e01d9d3e7b29@gmail.com> Am Mittwoch, 12. Oktober 2022, 00:19:35 CEST schrieb Dmitry Torokhov: > Bindings for Freescale Fast Ethernet Controller use a separate > property "phy-reset-active-high" to specify polarity of its phy > gpio line. To allow converting the driver to gpiod API we need > to add this quirk to gpiolib. > > Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> > --- > drivers/gpio/gpiolib-of.c | 27 +++++++++++++++++++++++++++ > 1 file changed, 27 insertions(+) > > diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c > index 3200d705fbe3..c3d3fe4d927c 100644 > --- a/drivers/gpio/gpiolib-of.c > +++ b/drivers/gpio/gpiolib-of.c > @@ -231,6 +231,33 @@ static void of_gpio_flags_quirks(const struct > device_node *np, !strcmp(propname, "snps,reset-gpio") && > of_property_read_bool(np, "snps,reset-active-low")) > *flags |= OF_GPIO_ACTIVE_LOW; > + > + /* > + * Freescale Fast Ethernet Controller uses a separate property to > + * describe polarity of the phy reset line. > + */ > + if (IS_ENABLED(CONFIG_FEC)) { > + static const char * const fec_devices[] = { > + "fsl,imx25-fec", > + "fsl,imx27-fec", > + "fsl,imx28-fec", > + "fsl,imx6q-fec", > + "fsl,mvf600-fec", > + "fsl,imx6sx-fec", > + "fsl,imx6ul-fec", > + "fsl,imx6mq-fec", > + "fsl,imx6qm-fec", These two should be 'fsl,imx8mq-fec' & 'fsl,imx8qm-fec' (imx8 instead of imx6). Best regards, Alexander > + "fsl,s32v234-fec", > + NULL > + }; > + > + if (!strcmp(propname, "phy-reset-gpios") && > + of_device_compatible_match(np, fec_devices)) { > + bool active_high = of_property_read_bool(np, > + "phy-reset- active-high"); > + of_gpio_quirk_polarity(np, active_high, flags); > + } > + } > } > > /** _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2022-10-12 6:14 UTC|newest] Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-10-11 22:19 [PATCH 0/7] gpiolib: more quirks to handle legacy names Dmitry Torokhov 2022-10-11 22:19 ` Dmitry Torokhov 2022-10-11 22:19 ` [PATCH 1/7] gpiolib: of: add a quirk for legacy names in Mediatek mt2701-cs42448 Dmitry Torokhov 2022-10-11 22:19 ` Dmitry Torokhov 2022-10-12 10:14 ` Daniel Thompson 2022-10-12 10:14 ` Daniel Thompson 2022-10-17 10:07 ` Linus Walleij 2022-10-17 10:07 ` Linus Walleij 2022-10-11 22:19 ` [PATCH 2/7] gpiolib: of: consolidate simple renames into a single quirk Dmitry Torokhov 2022-10-11 22:19 ` Dmitry Torokhov 2022-10-12 10:12 ` Daniel Thompson 2022-10-12 10:12 ` Daniel Thompson 2022-10-12 19:20 ` Dmitry Torokhov 2022-10-12 19:20 ` Dmitry Torokhov 2022-10-13 12:59 ` Daniel Thompson 2022-10-13 12:59 ` Daniel Thompson 2022-10-11 22:19 ` [PATCH 3/7] gpiolib: of: add quirk for locating reset lines with legacy bindings Dmitry Torokhov 2022-10-11 22:19 ` Dmitry Torokhov 2022-10-12 10:19 ` Daniel Thompson 2022-10-12 10:19 ` Daniel Thompson 2022-10-11 22:19 ` [PATCH 4/7] gpiolib: of: add a quirk for reset line for Marvell NFC controller Dmitry Torokhov 2022-10-11 22:19 ` Dmitry Torokhov 2022-10-12 10:29 ` Daniel Thompson 2022-10-12 10:29 ` Daniel Thompson 2022-10-12 18:45 ` Dmitry Torokhov 2022-10-12 18:45 ` Dmitry Torokhov 2022-10-12 18:50 ` Daniel Thompson 2022-10-12 18:50 ` Daniel Thompson 2022-10-12 18:55 ` Dmitry Torokhov 2022-10-12 18:55 ` Dmitry Torokhov 2022-10-13 13:00 ` Daniel Thompson 2022-10-13 13:00 ` Daniel Thompson 2022-10-11 22:19 ` [PATCH 5/7] gpiolib: of: add a quirk for reset line for Cirrus CS42L56 codec Dmitry Torokhov 2022-10-11 22:19 ` Dmitry Torokhov 2022-10-12 10:30 ` Daniel Thompson 2022-10-12 10:30 ` Daniel Thompson 2022-10-11 22:19 ` [PATCH 6/7] gpiolib: of: factor out code overriding gpio line polarity Dmitry Torokhov 2022-10-11 22:19 ` Dmitry Torokhov 2022-10-12 11:10 ` Andy Shevchenko 2022-10-12 11:10 ` Andy Shevchenko 2022-10-12 15:30 ` Dmitry Torokhov 2022-10-12 15:30 ` Dmitry Torokhov 2022-10-11 22:19 ` [PATCH 7/7] gpiolib: of: add quirk for phy reset polarity for Freescale Ethernet Dmitry Torokhov 2022-10-11 22:19 ` Dmitry Torokhov 2022-10-12 6:14 ` Alexander Stein [this message] 2022-10-12 6:14 ` Alexander Stein 2022-10-12 15:25 ` Dmitry Torokhov 2022-10-12 15:25 ` Dmitry Torokhov
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