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X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org GXL I2C pins need internal pull-up enabled to operate if there is no external resistor. The pull-up is 60kohms per the datasheet. We should set the bias when i2c pinmux is enabled. Signed-off-by: Da Xue --- arch/arm64/boot/dts/amlogic/meson-gxl.dtsi | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi index 2dc2fdaecf9f..aed8dbfbb64d 100644 --- a/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi @@ -214,7 +214,7 @@ mux { groups = "i2c_sck_ao", "i2c_sda_ao"; function = "i2c_ao"; - bias-disable; + bias-pull-up; }; }; @@ -576,7 +576,7 @@ mux { groups = "i2c_sck_a", "i2c_sda_a"; function = "i2c_a"; - bias-disable; + bias-pull-up; }; }; @@ -585,7 +585,7 @@ mux { groups = "i2c_sck_b", "i2c_sda_b"; function = "i2c_b"; - bias-disable; + bias-pull-up; }; }; @@ -594,7 +594,7 @@ mux { groups = "i2c_sck_c", "i2c_sda_c"; function = "i2c_c"; - bias-disable; + bias-pull-up; }; }; @@ -603,7 +603,7 @@ mux { groups = "i2c_sck_c_dv19", "i2c_sda_c_dv18"; function = "i2c_c"; - bias-disable; + bias-pull-up; }; }; -- 2.39.5 _______________________________________________ linux-amlogic mailing list linux-amlogic@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-amlogic