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Fri, 17 Jul 2026 03:00:13 -0400 (EDT) From: Jiaxing Hu To: maxime.chevallier@bootlin.com Cc: andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, heiko@sntech.de, netdev@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH net-next] net: stmmac: dwmac-rk: enable the reference clock for output mode Date: Fri, 17 Jul 2026 19:00:11 +1200 Message-ID: <20260717070011.2629800-1-gahing@gahingwoo.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: References: MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260717_000022_335722_F7679923 X-CRM114-Status: UNSURE ( 9.47 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org Hi Maxime, > So the statement "For RGMII, it must be input [...]" is now incorrect : > - it can be output for RGMII > - it will be 25Hz if set to output, from what I get from the commit log. > > Can you update it ? Done in v2, added as patch 1: https://lore.kernel.org/all/20260717065933.2629501-1-gahing@gahingwoo.com/ It rewords clock_in_out so that for RGMII, "output" means the SoC drives a 25 MHz reference out to a crystal-less PHY. The driver change is now patch 2 of the same series. Thanks, Jiaxing _______________________________________________ Linux-rockchip mailing list Linux-rockchip@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-rockchip