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Date: Tue, 7 Jan 2020 13:01:29 +0100 From: Linus Walleij <linus.walleij@...aro.org> To: Martin Blumenstingl <martin.blumenstingl@...glemail.com> Cc: "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>, "open list:ARM/Amlogic Meson..." <linux-amlogic@...ts.infradead.org>, Linux ARM <linux-arm-kernel@...ts.infradead.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org> Subject: Re: [PATCH] pinctrl: meson: meson8b: add the GPIOH pinmux settings for ETH_RXD{2,3} On Thu, Dec 26, 2019 at 8:14 PM Martin Blumenstingl <martin.blumenstingl@...glemail.com> wrote: > GPIOH_5 and GPIOH_6 can have two Ethernet related functions: > - GPIOH_5 can be ETH_TXD1 or ETH_RXD3 > - GPIOH_6 can be ETH_TXD0 or ETH_RXD2 > > Add the bits for eth_rxd3_h and eth_rxd2_h so the ETH_RXD function can > be disabled when using the ETH_TXD function of GPIOH_{5,6}. No problem > was observed so far, but in theory this could lead to two different > signals being routed to the same pad (which could break Ethernet). > > These settings were found in the public "Amlogic Ethernet controller > user guide": > http://openlinux.amlogic.com/@api/deki/files/75/=Amlogic_Ethenet_controller_user_Guide.pdf > > Signed-off-by: Martin Blumenstingl <martin.blumenstingl@...glemail.com> Patch applied with Neil's review tag. Yours, Linus Walleij
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