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Fri, 13 Dec 2019 11:51:32 -0800 (PST) From: Florian Fainelli To: linux-arm-kernel@lists.infradead.org Subject: [PATCH] ARM: dts: NSP: Use hardware I2C for BCM958625HR Date: Fri, 13 Dec 2019 11:51:02 -0800 Message-Id: <20191213195102.23789-1-f.fainelli@gmail.com> X-Mailer: git-send-email 2.17.1 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191213_115133_845789_A65E85EA X-CRM114-Status: GOOD ( 12.38 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , Florian Fainelli , Scott Branden , Ray Jui , open list , Rob Herring , "maintainer:BROADCOM IPROC ARM ARCHITECTURE" MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Now that the i2c-bcm-iproc driver has been fixed to permit reading more than 63 bytes in a single transaction with commit fd01eecdf959 ("i2c: iproc: Fix i2c master read more than 63 bytes") we no longer need to bitbang i2c over GPIOs which was necessary before to allow the PHYLINK/SFP subsystems to read SFP modules. Signed-off-by: Florian Fainelli --- arch/arm/boot/dts/bcm958625hr.dts | 15 +++++---------- 1 file changed, 5 insertions(+), 10 deletions(-) diff --git a/arch/arm/boot/dts/bcm958625hr.dts b/arch/arm/boot/dts/bcm958625hr.dts index a2c9de35ddfb..536fb24f38bb 100644 --- a/arch/arm/boot/dts/bcm958625hr.dts +++ b/arch/arm/boot/dts/bcm958625hr.dts @@ -55,18 +55,9 @@ priority = <200>; }; - /* Hardware I2C block cannot do more than 63 bytes per transfer, - * which would prevent reading from a SFP's EEPROM (256 byte). - */ - i2c1: i2c { - compatible = "i2c-gpio"; - sda-gpios = <&gpioa 5 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; - scl-gpios = <&gpioa 4 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; - }; - sfp: sfp { compatible = "sff,sfp"; - i2c-bus = <&i2c1>; + i2c-bus = <&i2c0>; mod-def0-gpios = <&gpioa 28 GPIO_ACTIVE_LOW>; los-gpios = <&gpioa 24 GPIO_ACTIVE_HIGH>; tx-fault-gpios = <&gpioa 30 GPIO_ACTIVE_HIGH>; @@ -74,6 +65,10 @@ }; }; +&i2c0 { + status = "okay"; +}; + &amac0 { status = "okay"; }; -- 2.17.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel