From 5e04822f7db504cd2cdc9074bc79c84657222567 Mon Sep 17 00:00:00 2001 From: Peter Rosin Date: Wed, 21 Mar 2018 16:35:50 +0100 Subject: [PATCH] ARM: dts: at91: fixes uart pinctrl, set pullup on rx, clear pullup on tx Remove pullup on uart TX signals, they are push-pull outputs thus pullups are pointless. Add pullup on uart RX signals, they prevent the RX signals to be left floating and so consuming a useless extra amount of power in crowbarred state if nothing is connected to RX. Signed-off-by: Peter Rosin Signed-off-by: Alexandre Belloni --- arch/arm/boot/dts/at91rm9200.dtsi | 12 ++++++------ arch/arm/boot/dts/at91sam9260.dtsi | 20 ++++++++++---------- arch/arm/boot/dts/at91sam9261.dtsi | 12 ++++++------ arch/arm/boot/dts/at91sam9263.dtsi | 12 ++++++------ arch/arm/boot/dts/at91sam9g45.dtsi | 16 ++++++++-------- arch/arm/boot/dts/at91sam9n12.dtsi | 4 ++-- arch/arm/boot/dts/at91sam9rl.dtsi | 12 ++++++------ arch/arm/boot/dts/at91sam9x5.dtsi | 12 ++++++------ arch/arm/boot/dts/at91sam9x5_usart3.dtsi | 4 ++-- arch/arm/boot/dts/sama5d3.dtsi | 24 ++++++++++++------------ arch/arm/boot/dts/sama5d3_uart.dtsi | 8 ++++---- arch/arm/boot/dts/sama5d4.dtsi | 28 ++++++++++++++-------------- 12 files changed, 82 insertions(+), 82 deletions(-) diff --git a/arch/arm/boot/dts/at91rm9200.dtsi b/arch/arm/boot/dts/at91rm9200.dtsi index ba61893a..3f3149c 100644 --- a/arch/arm/boot/dts/at91rm9200.dtsi +++ b/arch/arm/boot/dts/at91rm9200.dtsi @@ -511,8 +511,8 @@ uart1 { pinctrl_uart1: uart1-0 { atmel,pins = - ; /* PB21 periph A */ + ; }; pinctrl_uart1_rts: uart1_rts-0 { @@ -545,8 +545,8 @@ uart2 { pinctrl_uart2: uart2-0 { atmel,pins = - ; /* PA23 periph A with pullup */ + ; }; pinctrl_uart2_rts: uart2_rts-0 { @@ -563,8 +563,8 @@ uart3 { pinctrl_uart3: uart3-0 { atmel,pins = - ; /* PA6 periph B */ + ; }; pinctrl_uart3_rts: uart3_rts-0 { diff --git a/arch/arm/boot/dts/at91sam9260.dtsi b/arch/arm/boot/dts/at91sam9260.dtsi index 655f06c..3ae7e6c 100644 --- a/arch/arm/boot/dts/at91sam9260.dtsi +++ b/arch/arm/boot/dts/at91sam9260.dtsi @@ -468,8 +468,8 @@ usart1 { pinctrl_usart1: usart1-0 { atmel,pins = - ; /* PB7 periph A */ + ; }; pinctrl_usart1_rts: usart1_rts-0 { @@ -486,8 +486,8 @@ usart2 { pinctrl_usart2: usart2-0 { atmel,pins = - ; /* PB9 periph A */ + ; }; pinctrl_usart2_rts: usart2_rts-0 { @@ -504,8 +504,8 @@ usart3 { pinctrl_usart3: usart3-0 { atmel,pins = - ; /* PB11 periph A */ + ; }; pinctrl_usart3_rts: usart3_rts-0 { @@ -522,16 +522,16 @@ uart0 { pinctrl_uart0: uart0-0 { atmel,pins = - ; /* PA30 periph B */ + ; }; }; uart1 { pinctrl_uart1: uart1-0 { atmel,pins = - ; /* PB13 periph A */ + ; }; }; diff --git a/arch/arm/boot/dts/at91sam9261.dtsi b/arch/arm/boot/dts/at91sam9261.dtsi index ddfc63b..53c63d0 100644 --- a/arch/arm/boot/dts/at91sam9261.dtsi +++ b/arch/arm/boot/dts/at91sam9261.dtsi @@ -328,8 +328,8 @@ usart0 { pinctrl_usart0: usart0-0 { atmel,pins = - , - ; + , + ; }; pinctrl_usart0_rts: usart0_rts-0 { @@ -346,8 +346,8 @@ usart1 { pinctrl_usart1: usart1-0 { atmel,pins = - , - ; + , + ; }; pinctrl_usart1_rts: usart1_rts-0 { @@ -364,8 +364,8 @@ usart2 { pinctrl_usart2: usart2-0 { atmel,pins = - , - ; + , + ; }; pinctrl_usart2_rts: usart2_rts-0 { diff --git a/arch/arm/boot/dts/at91sam9263.dtsi b/arch/arm/boot/dts/at91sam9263.dtsi index f240567..87fb066 100644 --- a/arch/arm/boot/dts/at91sam9263.dtsi +++ b/arch/arm/boot/dts/at91sam9263.dtsi @@ -437,8 +437,8 @@ usart0 { pinctrl_usart0: usart0-0 { atmel,pins = - ; /* PA27 periph A */ + ; }; pinctrl_usart0_rts: usart0_rts-0 { @@ -455,8 +455,8 @@ usart1 { pinctrl_usart1: usart1-0 { atmel,pins = - ; /* PD1 periph A */ + ; }; pinctrl_usart1_rts: usart1_rts-0 { @@ -473,8 +473,8 @@ usart2 { pinctrl_usart2: usart2-0 { atmel,pins = - ; /* PD3 periph A */ + ; }; pinctrl_usart2_rts: usart2_rts-0 { diff --git a/arch/arm/boot/dts/at91sam9g45.dtsi b/arch/arm/boot/dts/at91sam9g45.dtsi index 3a30eec..1ee25a4 100644 --- a/arch/arm/boot/dts/at91sam9g45.dtsi +++ b/arch/arm/boot/dts/at91sam9g45.dtsi @@ -555,8 +555,8 @@ usart0 { pinctrl_usart0: usart0-0 { atmel,pins = - ; /* PB18 periph A */ + ; }; pinctrl_usart0_rts: usart0_rts-0 { @@ -573,8 +573,8 @@ uart1 { pinctrl_usart1: usart1-0 { atmel,pins = - ; /* PB5 periph A */ + ; }; pinctrl_usart1_rts: usart1_rts-0 { @@ -591,8 +591,8 @@ usart2 { pinctrl_usart2: usart2-0 { atmel,pins = - ; /* PB7 periph A */ + ; }; pinctrl_usart2_rts: usart2_rts-0 { @@ -609,8 +609,8 @@ usart3 { pinctrl_usart3: usart3-0 { atmel,pins = - ; /* PB8 periph A */ + ; }; pinctrl_usart3_rts: usart3_rts-0 { diff --git a/arch/arm/boot/dts/at91sam9n12.dtsi b/arch/arm/boot/dts/at91sam9n12.dtsi index 4b62f4f..37cb81f 100644 --- a/arch/arm/boot/dts/at91sam9n12.dtsi +++ b/arch/arm/boot/dts/at91sam9n12.dtsi @@ -641,8 +641,8 @@ uart1 { pinctrl_uart1: uart1-0 { atmel,pins = - ; /* PC16 periph C */ + ; }; }; diff --git a/arch/arm/boot/dts/at91sam9rl.dtsi b/arch/arm/boot/dts/at91sam9rl.dtsi index 6765cee..bd001cc 100644 --- a/arch/arm/boot/dts/at91sam9rl.dtsi +++ b/arch/arm/boot/dts/at91sam9rl.dtsi @@ -720,8 +720,8 @@ usart1 { pinctrl_usart1: usart1-0 { atmel,pins = - , - ; + , + ; }; pinctrl_usart1_rts: usart1_rts-0 { @@ -743,8 +743,8 @@ usart2 { pinctrl_usart2: usart2-0 { atmel,pins = - , - ; + , + ; }; pinctrl_usart2_rts: usart2_rts-0 { @@ -766,8 +766,8 @@ usart3 { pinctrl_usart3: usart3-0 { atmel,pins = - , - ; + , + ; }; pinctrl_usart3_rts: usart3_rts-0 { diff --git a/arch/arm/boot/dts/at91sam9x5.dtsi b/arch/arm/boot/dts/at91sam9x5.dtsi index fee4fe5..a3c3c31 100644 --- a/arch/arm/boot/dts/at91sam9x5.dtsi +++ b/arch/arm/boot/dts/at91sam9x5.dtsi @@ -520,8 +520,8 @@ usart0 { pinctrl_usart0: usart0-0 { atmel,pins = - ; /* PA1 periph A */ + ; }; pinctrl_usart0_rts: usart0_rts-0 { @@ -543,8 +543,8 @@ usart1 { pinctrl_usart1: usart1-0 { atmel,pins = - ; /* PA6 periph A */ + ; }; pinctrl_usart1_rts: usart1_rts-0 { @@ -566,8 +566,8 @@ usart2 { pinctrl_usart2: usart2-0 { atmel,pins = - ; /* PA8 periph A */ + ; }; pinctrl_usart2_rts: usart2_rts-0 { diff --git a/arch/arm/boot/dts/at91sam9x5_usart3.dtsi b/arch/arm/boot/dts/at91sam9x5_usart3.dtsi index 43bb5b5..a32d12b 100644 --- a/arch/arm/boot/dts/at91sam9x5_usart3.dtsi +++ b/arch/arm/boot/dts/at91sam9x5_usart3.dtsi @@ -21,8 +21,8 @@ usart3 { pinctrl_usart3: usart3-0 { atmel,pins = - ; /* PC23 periph B */ + ; }; pinctrl_usart3_rts: usart3_rts-0 { diff --git a/arch/arm/boot/dts/sama5d3.dtsi b/arch/arm/boot/dts/sama5d3.dtsi index b9c05b5..eae5e1e 100644 --- a/arch/arm/boot/dts/sama5d3.dtsi +++ b/arch/arm/boot/dts/sama5d3.dtsi @@ -861,24 +861,24 @@ uart0 { pinctrl_uart0: uart0-0 { atmel,pins = - ; /* conflicts with ISI_PCK */ + ; /* conflicts with ISI_PCK */ }; }; uart1 { pinctrl_uart1: uart1-0 { atmel,pins = - ; /* conflicts with TWCK0, ISI_HSYNC */ + ; /* conflicts with TWCK0, ISI_HSYNC */ }; }; usart0 { pinctrl_usart0: usart0-0 { atmel,pins = - ; /* PD18 periph A with pullup */ + ; }; pinctrl_usart0_rts_cts: usart0_rts_cts-0 { @@ -891,8 +891,8 @@ usart1 { pinctrl_usart1: usart1-0 { atmel,pins = - ; /* PB29 periph A with pullup */ + ; }; pinctrl_usart1_rts_cts: usart1_rts_cts-0 { @@ -905,8 +905,8 @@ usart2 { pinctrl_usart2: usart2-0 { atmel,pins = - ; /* PE26 periph B with pullup, conflicts NCS0 */ + ; /* conflicts NCS0 */ }; pinctrl_usart2_rts_cts: usart2_rts_cts-0 { @@ -919,8 +919,8 @@ usart3 { pinctrl_usart3: usart3-0 { atmel,pins = - ; /* PE19 periph B with pullup, conflicts with A19 */ + ; /* conflicts with A19 */ }; pinctrl_usart3_rts_cts: usart3_rts_cts-0 { diff --git a/arch/arm/boot/dts/sama5d3_uart.dtsi b/arch/arm/boot/dts/sama5d3_uart.dtsi index 186377d..f599f8a 100644 --- a/arch/arm/boot/dts/sama5d3_uart.dtsi +++ b/arch/arm/boot/dts/sama5d3_uart.dtsi @@ -23,16 +23,16 @@ uart0 { pinctrl_uart0: uart0-0 { atmel,pins = - ; /* PC30 periph A with pullup, conflicts with ISI_PCK */ + ; /* conflicts with ISI_PCK */ }; }; uart1 { pinctrl_uart1: uart1-0 { atmel,pins = - ; /* PA31 periph B with pullup, conflicts with TWCK0, ISI_HSYNC */ + ; /* conflicts with TWCK0, ISI_HSYNC */ }; }; }; diff --git a/arch/arm/boot/dts/sama5d4.dtsi b/arch/arm/boot/dts/sama5d4.dtsi index c710509..0cf9bed 100644 --- a/arch/arm/boot/dts/sama5d4.dtsi +++ b/arch/arm/boot/dts/sama5d4.dtsi @@ -1926,8 +1926,8 @@ uart0 { pinctrl_uart0: uart0-0 { atmel,pins = - ; }; }; @@ -1935,8 +1935,8 @@ uart1 { pinctrl_uart1: uart1-0 { atmel,pins = - ; }; }; @@ -1944,8 +1944,8 @@ usart0 { pinctrl_usart0: usart0-0 { atmel,pins = - ; }; pinctrl_usart0_rts: usart0_rts-0 { @@ -1959,8 +1959,8 @@ usart1 { pinctrl_usart1: usart1-0 { atmel,pins = - ; }; pinctrl_usart1_rts: usart1_rts-0 { @@ -1974,8 +1974,8 @@ usart2 { pinctrl_usart2: usart2-0 { atmel,pins = - ; }; pinctrl_usart2_rts: usart2_rts-0 { @@ -1989,8 +1989,8 @@ usart3 { pinctrl_usart3: usart3-0 { atmel,pins = - ; }; }; @@ -1998,8 +1998,8 @@ usart4 { pinctrl_usart4: usart4-0 { atmel,pins = - ; }; pinctrl_usart4_rts: usart4_rts-0 { -- 2.7.4