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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: Alexandre Belloni , Ludovic Desroches , Ingo van Lil 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 Pull-ups for SAM9 UART/USART TX lines were disabled in 5e04822f. However, several chips in the SAM9 family require pull-ups to prevent the TX lines from falling (and causing an endless break condition) when the transceiver is disabled. >From the SAM9G20 datasheet, 32.5.1: "To prevent the TXD line from falling when the USART is disabled, the use of an internal pull up is mandatory.". This commit reenables the pull-ups for all chips having that sentence in their datasheets. Signed-off-by: Ingo van Lil --- arch/arm/boot/dts/at91sam9260.dtsi | 12 ++++++------ arch/arm/boot/dts/at91sam9261.dtsi | 6 +++--- arch/arm/boot/dts/at91sam9263.dtsi | 6 +++--- arch/arm/boot/dts/at91sam9g45.dtsi | 8 ++++---- arch/arm/boot/dts/at91sam9rl.dtsi | 8 ++++---- 5 files changed, 20 insertions(+), 20 deletions(-) diff --git a/arch/arm/boot/dts/at91sam9260.dtsi b/arch/arm/boot/dts/at91sam9260.dtsi index dee9c0c8a096..16c6fd3c4246 100644 --- a/arch/arm/boot/dts/at91sam9260.dtsi +++ b/arch/arm/boot/dts/at91sam9260.dtsi @@ -187,7 +187,7 @@ usart0 { pinctrl_usart0: usart0-0 { atmel,pins = - ; }; @@ -221,7 +221,7 @@ usart1 { pinctrl_usart1: usart1-0 { atmel,pins = - ; }; @@ -239,7 +239,7 @@ usart2 { pinctrl_usart2: usart2-0 { atmel,pins = - ; }; @@ -257,7 +257,7 @@ usart3 { pinctrl_usart3: usart3-0 { atmel,pins = - ; }; @@ -275,7 +275,7 @@ uart0 { pinctrl_uart0: uart0-0 { atmel,pins = - ; }; }; @@ -283,7 +283,7 @@ uart1 { pinctrl_uart1: uart1-0 { atmel,pins = - ; }; }; diff --git a/arch/arm/boot/dts/at91sam9261.dtsi b/arch/arm/boot/dts/at91sam9261.dtsi index dba025a98527..5ed3d745ac86 100644 --- a/arch/arm/boot/dts/at91sam9261.dtsi +++ b/arch/arm/boot/dts/at91sam9261.dtsi @@ -329,7 +329,7 @@ usart0 { pinctrl_usart0: usart0-0 { atmel,pins = - , + , ; }; @@ -347,7 +347,7 @@ usart1 { pinctrl_usart1: usart1-0 { atmel,pins = - , + , ; }; @@ -365,7 +365,7 @@ usart2 { pinctrl_usart2: usart2-0 { atmel,pins = - , + , ; }; diff --git a/arch/arm/boot/dts/at91sam9263.dtsi b/arch/arm/boot/dts/at91sam9263.dtsi index 99678abdda93..5c990cfae254 100644 --- a/arch/arm/boot/dts/at91sam9263.dtsi +++ b/arch/arm/boot/dts/at91sam9263.dtsi @@ -183,7 +183,7 @@ usart0 { pinctrl_usart0: usart0-0 { atmel,pins = - ; }; @@ -201,7 +201,7 @@ usart1 { pinctrl_usart1: usart1-0 { atmel,pins = - ; }; @@ -219,7 +219,7 @@ usart2 { pinctrl_usart2: usart2-0 { atmel,pins = - ; }; diff --git a/arch/arm/boot/dts/at91sam9g45.dtsi b/arch/arm/boot/dts/at91sam9g45.dtsi index 691c95ea6175..fd179097a4bf 100644 --- a/arch/arm/boot/dts/at91sam9g45.dtsi +++ b/arch/arm/boot/dts/at91sam9g45.dtsi @@ -556,7 +556,7 @@ usart0 { pinctrl_usart0: usart0-0 { atmel,pins = - ; }; @@ -574,7 +574,7 @@ usart1 { pinctrl_usart1: usart1-0 { atmel,pins = - ; }; @@ -592,7 +592,7 @@ usart2 { pinctrl_usart2: usart2-0 { atmel,pins = - ; }; @@ -610,7 +610,7 @@ usart3 { pinctrl_usart3: usart3-0 { atmel,pins = - ; }; diff --git a/arch/arm/boot/dts/at91sam9rl.dtsi b/arch/arm/boot/dts/at91sam9rl.dtsi index 8643b7151565..ea024e4b6e09 100644 --- a/arch/arm/boot/dts/at91sam9rl.dtsi +++ b/arch/arm/boot/dts/at91sam9rl.dtsi @@ -682,7 +682,7 @@ usart0 { pinctrl_usart0: usart0-0 { atmel,pins = - , + , ; }; @@ -721,7 +721,7 @@ usart1 { pinctrl_usart1: usart1-0 { atmel,pins = - , + , ; }; @@ -744,7 +744,7 @@ usart2 { pinctrl_usart2: usart2-0 { atmel,pins = - , + , ; }; @@ -767,7 +767,7 @@ usart3 { pinctrl_usart3: usart3-0 { atmel,pins = - , + , ; }; -- 2.21.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel