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d="scan'208";a="101255688" Received: from smtpout.microchip.com (HELO email.microchip.com) ([198.175.253.82]) by esa3.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 03 Dec 2020 02:34:58 -0700 Received: from chn-vm-ex02.mchp-main.com (10.10.87.72) by chn-vm-ex02.mchp-main.com (10.10.87.72) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1979.3; Thu, 3 Dec 2020 02:34:58 -0700 Received: from ROB-ULT-M18282.microchip.com (10.10.115.15) by chn-vm-ex02.mchp-main.com (10.10.85.144) with Microsoft SMTP Server id 15.1.1979.3 via Frontend Transport; Thu, 3 Dec 2020 02:34:48 -0700 From: Eugen Hristev To: CC: , , Subject: [PATCH 34/34] ARM: dts: sama7g5ek: fix TXC pin configuration Date: Thu, 3 Dec 2020 11:28:50 +0200 Message-ID: <20201203092850.7909-35-eugen.hristev@microchip.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20201203092850.7909-1-eugen.hristev@microchip.com> References: <20201203092850.7909-1-eugen.hristev@microchip.com> MIME-Version: 1.0 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.34 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.102.3 at phobos.denx.de X-Virus-Status: Clean From: Nicolas Ferre TXC line is directly connected from the SoC to the KSZ9131 PHY. There is a transient state on this signal, before configuring it to RGMII, which leads to packet transmit being blocked. Keeping a pull-up when muxing this pin as function A (G0_TXCK) fixes the issue. Signed-off-by: Nicolas Ferre --- arch/arm/dts/sama7g5ek.dts | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/arch/arm/dts/sama7g5ek.dts b/arch/arm/dts/sama7g5ek.dts index 0812b0cc00..41818cc911 100644 --- a/arch/arm/dts/sama7g5ek.dts +++ b/arch/arm/dts/sama7g5ek.dts @@ -90,7 +90,7 @@ #address-cells = <1>; #size-cells = <0>; pinctrl-names = "default"; - pinctrl-0 = <&pinctrl_gmac0_default>; + pinctrl-0 = <&pinctrl_gmac0_default &pinctrl_gmac0_txc_default>; phy-mode = "rgmii-id"; status = "okay"; @@ -173,7 +173,6 @@ , , , - , , , , @@ -182,6 +181,11 @@ bias-disable; }; + pinctrl_gmac0_txc_default: gmac0_txc_default { + pinmux = ; + bias-pull-up; + }; + pinctrl_gmac1_default: gmac1_default { pinmux = , ,