ARM: dts: at91: fixes dbgu pinctrl, set pullup on rx, clear pullup on tx

Remove pullup on dbgu DTXD signal, it is a push-pull output thus the
pullup is pointless.

Add pullup on dbgu DRXD signal, it prevents the DRXD signal to be left
floating and so consuming a useless extra amount of power in crowbarred
state if nothing is externally connected to dbgu.
Signed-off-by: Sylvain Rochet <sylvain.rochet@finsecur.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>

arch/arm/boot/dts/at91rm9200.dtsi

@@ -481,8 +481,8 @@ pinctrl@fffff400 {
 				dbgu {
 					pinctrl_dbgu: dbgu-0 {
 						atmel,pins =
-							<AT91_PIOA 30 AT91_PERIPH_A AT91_PINCTRL_NONE	/* PA30 periph A */
-							 AT91_PIOA 31 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>;	/* PA31 periph with pullup */
+							<AT91_PIOA 30 AT91_PERIPH_A AT91_PINCTRL_PULL_UP
+							 AT91_PIOA 31 AT91_PERIPH_A AT91_PINCTRL_NONE>;
 					};
 				};
 

arch/arm/boot/dts/at91sam9260.dtsi

@@ -412,8 +412,8 @@ pinctrl@fffff400 {
 				dbgu {
 					pinctrl_dbgu: dbgu-0 {
 						atmel,pins =
-							<AT91_PIOB 14 AT91_PERIPH_A AT91_PINCTRL_NONE	/* PB14 periph A */
-							 AT91_PIOB 15 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>;	/* PB15 periph with pullup */
+							<AT91_PIOB 14 AT91_PERIPH_A AT91_PINCTRL_PULL_UP
+							 AT91_PIOB 15 AT91_PERIPH_A AT91_PINCTRL_NONE>;
 					};
 				};
 

arch/arm/boot/dts/at91sam9261.dtsi

@@ -302,8 +302,8 @@ pinctrl@fffff400 {
 				dbgu {
 					pinctrl_dbgu: dbgu-0 {
 						atmel,pins =
-							<AT91_PIOA 9  AT91_PERIPH_A AT91_PINCTRL_NONE>,
-							<AT91_PIOA 10 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>;
+							<AT91_PIOA 9  AT91_PERIPH_A AT91_PINCTRL_PULL_UP>,
+							<AT91_PIOA 10 AT91_PERIPH_A AT91_PINCTRL_NONE>;
 					};
 				};
 

arch/arm/boot/dts/at91sam9263.dtsi

@@ -412,8 +412,8 @@ pinctrl@fffff200 {
 				dbgu {
 					pinctrl_dbgu: dbgu-0 {
 						atmel,pins =
-							<AT91_PIOC 30 AT91_PERIPH_A AT91_PINCTRL_NONE	/* PC30 periph A */
-							 AT91_PIOC 31 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>;	/* PC31 periph with pullup */
+							<AT91_PIOC 30 AT91_PERIPH_A AT91_PINCTRL_PULL_UP
+							 AT91_PIOC 31 AT91_PERIPH_A AT91_PINCTRL_NONE>;
 					};
 				};
 

arch/arm/boot/dts/at91sam9g45.dtsi

@@ -478,8 +478,8 @@ pinctrl_adc0_ad7: adc0_ad7 {
 				dbgu {
 					pinctrl_dbgu: dbgu-0 {
 						atmel,pins =
-							<AT91_PIOB 12 AT91_PERIPH_A AT91_PINCTRL_NONE	/* PB12 periph A */
-							 AT91_PIOB 13 AT91_PERIPH_A AT91_PINCTRL_NONE>;	/* PB13 periph A */
+							<AT91_PIOB 12 AT91_PERIPH_A AT91_PINCTRL_PULL_UP
+							 AT91_PIOB 13 AT91_PERIPH_A AT91_PINCTRL_NONE>;
 					};
 				};
 

arch/arm/boot/dts/at91sam9n12.dtsi

@@ -500,8 +500,8 @@ pinctrl@fffff400 {
 				dbgu {
 					pinctrl_dbgu: dbgu-0 {
 						atmel,pins =
-							<AT91_PIOA 9 AT91_PERIPH_A AT91_PINCTRL_NONE	/* PA9 periph A */
-							 AT91_PIOA 10 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>;	/* PA10 periph with pullup */
+							<AT91_PIOA 9 AT91_PERIPH_A AT91_PINCTRL_PULL_UP
+							 AT91_PIOA 10 AT91_PERIPH_A AT91_PINCTRL_NONE>;
 					};
 				};
 

arch/arm/boot/dts/at91sam9rl.dtsi

@@ -438,8 +438,8 @@ pinctrl_adc0_adtrg: adc0_adtrg-0 {
 				dbgu {
 					pinctrl_dbgu: dbgu-0 {
 						atmel,pins =
-							<AT91_PIOA 21 AT91_PERIPH_A AT91_PINCTRL_NONE>,
-							<AT91_PIOA 22 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>;
+							<AT91_PIOA 21 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>,
+							<AT91_PIOA 22 AT91_PERIPH_A AT91_PINCTRL_NONE>;
 					};
 				};
 

arch/arm/boot/dts/at91sam9x5.dtsi

@@ -460,8 +460,8 @@ pinctrl@fffff400 {
 				dbgu {
 					pinctrl_dbgu: dbgu-0 {
 						atmel,pins =
-							<AT91_PIOA 9 AT91_PERIPH_A AT91_PINCTRL_NONE	/* PA9 periph A */
-							 AT91_PIOA 10 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>;	/* PA10 periph A with pullup */
+							<AT91_PIOA 9 AT91_PERIPH_A AT91_PINCTRL_PULL_UP
+							 AT91_PIOA 10 AT91_PERIPH_A AT91_PINCTRL_NONE>;
 					};
 				};
 

arch/arm/boot/dts/sama5d3.dtsi

@@ -549,8 +549,8 @@ pinctrl_adc0_ad11: adc0_ad11 {
 				dbgu {
 					pinctrl_dbgu: dbgu-0 {
 						atmel,pins =
-							<AT91_PIOB 30 AT91_PERIPH_A AT91_PINCTRL_NONE	/* PB30 periph A */
-							 AT91_PIOB 31 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>;	/* PB31 periph A with pullup */
+							<AT91_PIOB 30 AT91_PERIPH_A AT91_PINCTRL_PULL_UP
+							 AT91_PIOB 31 AT91_PERIPH_A AT91_PINCTRL_NONE>;
 					};
 				};
 

arch/arm/boot/dts/sama5d4.dtsi

@@ -1461,8 +1461,8 @@ pinctrl_adc0_ad4: adc0_ad4 {
 				dbgu {
 					pinctrl_dbgu: dbgu-0 {
 						atmel,pins =
-							<AT91_PIOB 24 AT91_PERIPH_A AT91_PINCTRL_NONE>,     /* conflicts with D14 and TDI */
-							<AT91_PIOB 25 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>;  /* conflicts with D15 and TDO */
+							<AT91_PIOB 24 AT91_PERIPH_A AT91_PINCTRL_PULL_UP	/* conflicts with D14 and TDI */
+							 AT91_PIOB 25 AT91_PERIPH_A AT91_PINCTRL_NONE>;		/* conflicts with D15 and TDO */
 					};
 				};