[PATCH 0/5] STM32 add usart nodes support

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* [PATCH 0/5] STM32 add usart nodes support
@ 2020-05-28  7:40 Erwan Le Ray
  2020-05-28  7:40 ` [PATCH 1/5] ARM: dts: stm32: add usart2, usart3 and uart7 pins in stm32mp15-pinctrl Erwan Le Ray
                   ` (4 more replies)
  0 siblings, 5 replies; 7+ messages in thread
From: Erwan Le Ray @ 2020-05-28  7:40 UTC (permalink / raw)
  To: Maxime Coquelin, Alexandre Torgue, Rob Herring, Mark Rutland
  Cc: linux-stm32, linux-arm-kernel, devicetree, linux-kernel,
	Erwan Le Ray, Fabrice Gasnier

Add the support of uart instances available on STM32MP157 boards:
- usart3 on stm32mp157c-ev1, stm32mp157a-dk1, and stm32mp157c-dk2
- uart7 on stm32mp157a-dk1 and stm32mp157c-dk2
- usart2 on stm32mp157c-dk2

The aliases are following this order.

Erwan Le Ray (5):
  ARM: dts: stm32: add usart2, usart3 and uart7 pins in
    stm32mp15-pinctrl
  ARM: dts: stm32: add usart3 node to stm32mp15xx-dkx boards
  ARM: dts: stm32: add usart3 node to stm32mp157c-ev1
  ARM: dts: stm32: add uart7 support to stm32mp15xx-dkx boards
  ARM: dts: stm32: add usart2 node to stm32mp157c-dk2

 arch/arm/boot/dts/stm32mp15-pinctrl.dtsi | 138 +++++++++++++++++++++++
 arch/arm/boot/dts/stm32mp157a-dk1.dts    |   2 +
 arch/arm/boot/dts/stm32mp157c-dk2.dts    |  11 ++
 arch/arm/boot/dts/stm32mp157c-ev1.dts    |  10 ++
 arch/arm/boot/dts/stm32mp15xx-dkx.dtsi   |  17 +++
 5 files changed, 178 insertions(+)

-- 
2.17.1


^ permalink raw reply	[flat|nested] 7+ messages in thread

* [PATCH 1/5] ARM: dts: stm32: add usart2, usart3 and uart7 pins in stm32mp15-pinctrl
  2020-05-28  7:40 [PATCH 0/5] STM32 add usart nodes support Erwan Le Ray
@ 2020-05-28  7:40 ` Erwan Le Ray
  2020-06-15 10:49   ` Alexandre Torgue
  2020-05-28  7:40 ` [PATCH 2/5] ARM: dts: stm32: add usart3 node to stm32mp15xx-dkx boards Erwan Le Ray
                   ` (3 subsequent siblings)
  4 siblings, 1 reply; 7+ messages in thread
From: Erwan Le Ray @ 2020-05-28  7:40 UTC (permalink / raw)
  To: Maxime Coquelin, Alexandre Torgue, Rob Herring, Mark Rutland
  Cc: linux-stm32, linux-arm-kernel, devicetree, linux-kernel,
	Erwan Le Ray, Fabrice Gasnier

Adds usart2_pins_c, usart3_pins_b, usart3_pins_c and uart7_pins_c pins
configurations in stm32mp15-pinctrl.
- usart2_pins_c pins are connected to Bluetooth chip on dk2 board.
- usart3_pins_b pins are connected to GPIO expansion connector on evx board.
- usart3_pins_c pins are connected to GPIO expansion connector on dkx board.
- uart7_pins_c pins are connected to Arduino Uno connector on dkx board.

Signed-off-by: Erwan Le Ray <erwan.leray@st.com>

diff --git a/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi b/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi
index fb98a66977fe..99e399e4e4c3 100644
--- a/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi
+++ b/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi
@@ -1658,6 +1658,36 @@
 		};
 	};
 
+	uart7_pins_c: uart7-1 {
+		pins1 {
+			pinmux = <STM32_PINMUX('E', 8, AF7)>; /* USART7_TX */
+			bias-disable;
+			drive-push-pull;
+			slew-rate = <0>;
+		};
+		pins2 {
+			pinmux = <STM32_PINMUX('E', 7, AF7)>; /* USART7_RX */
+			bias-disable;
+		};
+	};
+
+	uart7_idle_pins_c: uart7-idle-1 {
+		pins1 {
+			pinmux = <STM32_PINMUX('E', 8, ANALOG)>; /* USART7_TX */
+		};
+		pins2 {
+			pinmux = <STM32_PINMUX('E', 7, AF7)>; /* USART7_RX */
+			bias-disable;
+		};
+	};
+
+	uart7_sleep_pins_c: uart7-sleep-1 {
+		pins {
+			pinmux = <STM32_PINMUX('E', 8, ANALOG)>, /* USART7_TX */
+				 <STM32_PINMUX('E', 7, ANALOG)>; /* USART7_RX */
+		};
+	};
+
 	uart8_pins_a: uart8-0 {
 		pins1 {
 			pinmux = <STM32_PINMUX('E', 1, AF8)>; /* UART8_TX */
@@ -1719,6 +1749,42 @@
 		};
 	};
 
+	usart2_pins_c: usart2-0 {
+		pins1 {
+			pinmux = <STM32_PINMUX('D', 5, AF7)>, /* USART2_TX */
+				 <STM32_PINMUX('D', 4, AF7)>; /* USART2_RTS */
+			bias-disable;
+			drive-push-pull;
+			slew-rate = <3>;
+		};
+		pins2 {
+			pinmux = <STM32_PINMUX('D', 6, AF7)>, /* USART2_RX */
+				 <STM32_PINMUX('D', 3, AF7)>; /* USART2_CTS_NSS */
+			bias-disable;
+		};
+	};
+
+	usart2_idle_pins_c: usart2-idle-0 {
+		pins1 {
+			pinmux = <STM32_PINMUX('D', 5, ANALOG)>, /* USART2_TX */
+				 <STM32_PINMUX('D', 4, ANALOG)>, /* USART2_RTS */
+				 <STM32_PINMUX('D', 3, ANALOG)>; /* USART2_CTS_NSS */
+		};
+		pins2 {
+			pinmux = <STM32_PINMUX('D', 6, AF7)>; /* USART2_RX */
+			bias-disable;
+		};
+	};
+
+	usart2_sleep_pins_c: usart2-sleep-0 {
+		pins {
+			pinmux = <STM32_PINMUX('D', 5, ANALOG)>, /* USART2_TX */
+				 <STM32_PINMUX('D', 4, ANALOG)>, /* USART2_RTS */
+				 <STM32_PINMUX('D', 6, ANALOG)>, /* USART2_RX */
+				 <STM32_PINMUX('D', 3, ANALOG)>; /* USART2_CTS_NSS */
+		};
+	};
+
 	usart3_pins_a: usart3-0 {
 		pins1 {
 			pinmux = <STM32_PINMUX('B', 10, AF7)>; /* USART3_TX */
@@ -1732,6 +1798,78 @@
 		};
 	};
 
+	usart3_pins_b: usart3-0 {
+		pins1 {
+			pinmux = <STM32_PINMUX('B', 10, AF7)>, /* USART3_TX */
+				 <STM32_PINMUX('G', 8, AF8)>; /* USART3_RTS */
+			bias-disable;
+			drive-push-pull;
+			slew-rate = <0>;
+		};
+		pins2 {
+			pinmux = <STM32_PINMUX('B', 12, AF8)>, /* USART3_RX */
+				 <STM32_PINMUX('I', 10, AF8)>; /* USART3_CTS_NSS */
+			bias-disable;
+		};
+	};
+
+	usart3_idle_pins_b: usart3-idle-0 {
+		pins1 {
+			pinmux = <STM32_PINMUX('B', 10, ANALOG)>, /* USART3_TX */
+				 <STM32_PINMUX('G', 8, ANALOG)>, /* USART3_RTS */
+				 <STM32_PINMUX('I', 10, ANALOG)>; /* USART3_CTS_NSS */
+		};
+		pins2 {
+			pinmux = <STM32_PINMUX('B', 12, AF8)>; /* USART3_RX */
+			bias-disable;
+		};
+	};
+
+	usart3_sleep_pins_b: usart3-sleep-0 {
+		pins {
+			pinmux = <STM32_PINMUX('B', 10, ANALOG)>, /* USART3_TX */
+				 <STM32_PINMUX('G', 8, ANALOG)>, /* USART3_RTS */
+				 <STM32_PINMUX('I', 10, ANALOG)>, /* USART3_CTS_NSS */
+				 <STM32_PINMUX('B', 12, ANALOG)>; /* USART3_RX */
+		};
+	};
+
+	usart3_pins_c: usart3-1 {
+		pins1 {
+			pinmux = <STM32_PINMUX('B', 10, AF7)>, /* USART3_TX */
+				 <STM32_PINMUX('G', 8, AF8)>; /* USART3_RTS */
+			bias-disable;
+			drive-push-pull;
+			slew-rate = <0>;
+		};
+		pins2 {
+			pinmux = <STM32_PINMUX('B', 12, AF8)>, /* USART3_RX */
+				 <STM32_PINMUX('B', 13, AF7)>; /* USART3_CTS_NSS */
+			bias-disable;
+		};
+	};
+
+	usart3_idle_pins_c: usart3-idle-1 {
+		pins1 {
+			pinmux = <STM32_PINMUX('B', 10, ANALOG)>, /* USART3_TX */
+				 <STM32_PINMUX('G', 8, ANALOG)>, /* USART3_RTS */
+				 <STM32_PINMUX('B', 13, ANALOG)>; /* USART3_CTS_NSS */
+		};
+		pins2 {
+			pinmux = <STM32_PINMUX('B', 12, AF8)>; /* USART3_RX */
+			bias-disable;
+		};
+	};
+
+	usart3_sleep_pins_c: usart3-sleep-1 {
+		pins {
+			pinmux = <STM32_PINMUX('B', 10, ANALOG)>, /* USART3_TX */
+				 <STM32_PINMUX('G', 8, ANALOG)>, /* USART3_RTS */
+				 <STM32_PINMUX('B', 13, ANALOG)>, /* USART3_CTS_NSS */
+				 <STM32_PINMUX('B', 12, ANALOG)>; /* USART3_RX */
+		};
+	};
+
 	usbotg_hs_pins_a: usbotg-hs-0 {
 		pins {
 			pinmux = <STM32_PINMUX('A', 10, ANALOG)>; /* OTG_ID */
-- 
2.17.1


^ permalink raw reply related	[flat|nested] 7+ messages in thread

* Re: [PATCH 1/5] ARM: dts: stm32: add usart2, usart3 and uart7 pins in stm32mp15-pinctrl
  2020-05-28  7:40 ` [PATCH 1/5] ARM: dts: stm32: add usart2, usart3 and uart7 pins in stm32mp15-pinctrl Erwan Le Ray
@ 2020-06-15 10:49   ` Alexandre Torgue
  0 siblings, 0 replies; 7+ messages in thread
From: Alexandre Torgue @ 2020-06-15 10:49 UTC (permalink / raw)
  To: Erwan Le Ray, Maxime Coquelin, Rob Herring, Mark Rutland
  Cc: linux-stm32, linux-arm-kernel, devicetree, linux-kernel,
	Fabrice Gasnier

Hi Erwan

On 5/28/20 9:40 AM, Erwan Le Ray wrote:
> Adds usart2_pins_c, usart3_pins_b, usart3_pins_c and uart7_pins_c pins
> configurations in stm32mp15-pinctrl.
> - usart2_pins_c pins are connected to Bluetooth chip on dk2 board.
> - usart3_pins_b pins are connected to GPIO expansion connector on evx board.
> - usart3_pins_c pins are connected to GPIO expansion connector on dkx board.
> - uart7_pins_c pins are connected to Arduino Uno connector on dkx board.
> 
> Signed-off-by: Erwan Le Ray <erwan.leray@st.com>
> 
> diff --git a/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi b/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi
> index fb98a66977fe..99e399e4e4c3 100644
> --- a/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi
> +++ b/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi
> @@ -1658,6 +1658,36 @@
>   		};
> 

...


> +	usart3_pins_b: usart3-0 {
> +		pins1 {
> +			pinmux = <STM32_PINMUX('B', 10, AF7)>, /* USART3_TX */
> +				 <STM32_PINMUX('G', 8, AF8)>; /* USART3_RTS */

On EVx board this line is shared with ETH_CLK. The choice between both 
is done thanks to SB23 and default choice is "ETH_CLK". So hardware 
update has to be done to use usart3_rts. some words around that in 
comment would be great.

Thanks
alex

> +			bias-disable;
> +			drive-push-pull;
> +			slew-rate = <0>;
> +		};
> +		pins2 {
> +			pinmux = <STM32_PINMUX('B', 12, AF8)>, /* USART3_RX */
> +				 <STM32_PINMUX('I', 10, AF8)>; /* USART3_CTS_NSS */
> +			bias-disable;
> +		};
> +	};
> +
> +	usart3_idle_pins_b: usart3-idle-0 {
> +		pins1 {
> +			pinmux = <STM32_PINMUX('B', 10, ANALOG)>, /* USART3_TX */
> +				 <STM32_PINMUX('G', 8, ANALOG)>, /* USART3_RTS */
> +				 <STM32_PINMUX('I', 10, ANALOG)>; /* USART3_CTS_NSS */
> +		};
> +		pins2 {
> +			pinmux = <STM32_PINMUX('B', 12, AF8)>; /* USART3_RX */
> +			bias-disable;
> +		};
> +	};
> +
> +	usart3_sleep_pins_b: usart3-sleep-0 {
> +		pins {
> +			pinmux = <STM32_PINMUX('B', 10, ANALOG)>, /* USART3_TX */
> +				 <STM32_PINMUX('G', 8, ANALOG)>, /* USART3_RTS */
> +				 <STM32_PINMUX('I', 10, ANALOG)>, /* USART3_CTS_NSS */
> +				 <STM32_PINMUX('B', 12, ANALOG)>; /* USART3_RX */
> +		};
> +	};
> +
> +	usart3_pins_c: usart3-1 {
> +		pins1 {
> +			pinmux = <STM32_PINMUX('B', 10, AF7)>, /* USART3_TX */
> +				 <STM32_PINMUX('G', 8, AF8)>; /* USART3_RTS */
> +			bias-disable;
> +			drive-push-pull;
> +			slew-rate = <0>;
> +		};
> +		pins2 {
> +			pinmux = <STM32_PINMUX('B', 12, AF8)>, /* USART3_RX */
> +				 <STM32_PINMUX('B', 13, AF7)>; /* USART3_CTS_NSS */
> +			bias-disable;
> +		};
> +	};
> +
> +	usart3_idle_pins_c: usart3-idle-1 {
> +		pins1 {
> +			pinmux = <STM32_PINMUX('B', 10, ANALOG)>, /* USART3_TX */
> +				 <STM32_PINMUX('G', 8, ANALOG)>, /* USART3_RTS */
> +				 <STM32_PINMUX('B', 13, ANALOG)>; /* USART3_CTS_NSS */
> +		};
> +		pins2 {
> +			pinmux = <STM32_PINMUX('B', 12, AF8)>; /* USART3_RX */
> +			bias-disable;
> +		};
> +	};
> +
> +	usart3_sleep_pins_c: usart3-sleep-1 {
> +		pins {
> +			pinmux = <STM32_PINMUX('B', 10, ANALOG)>, /* USART3_TX */
> +				 <STM32_PINMUX('G', 8, ANALOG)>, /* USART3_RTS */
> +				 <STM32_PINMUX('B', 13, ANALOG)>, /* USART3_CTS_NSS */
> +				 <STM32_PINMUX('B', 12, ANALOG)>; /* USART3_RX */
> +		};
> +	};
> +
>   	usbotg_hs_pins_a: usbotg-hs-0 {
>   		pins {
>   			pinmux = <STM32_PINMUX('A', 10, ANALOG)>; /* OTG_ID */
> 

^ permalink raw reply	[flat|nested] 7+ messages in thread

* [PATCH 2/5] ARM: dts: stm32: add usart3 node to stm32mp15xx-dkx boards
  2020-05-28  7:40 [PATCH 0/5] STM32 add usart nodes support Erwan Le Ray
  2020-05-28  7:40 ` [PATCH 1/5] ARM: dts: stm32: add usart2, usart3 and uart7 pins in stm32mp15-pinctrl Erwan Le Ray
@ 2020-05-28  7:40 ` Erwan Le Ray
  2020-05-28  7:40 ` [PATCH 3/5] ARM: dts: stm32: add usart3 node to stm32mp157c-ev1 Erwan Le Ray
                   ` (2 subsequent siblings)
  4 siblings, 0 replies; 7+ messages in thread
From: Erwan Le Ray @ 2020-05-28  7:40 UTC (permalink / raw)
  To: Maxime Coquelin, Alexandre Torgue, Rob Herring, Mark Rutland
  Cc: linux-stm32, linux-arm-kernel, devicetree, linux-kernel,
	Erwan Le Ray, Fabrice Gasnier

Adds usart3 node to stm32mp15xx-dkx and usart3 alias to stm32mp157a-dk1
and stm32mp157c-dk2 boards. usart3 pins are connected to GPIO Expansion
connector. usart3 is disabled by default.

Signed-off-by: Erwan Le Ray <erwan.leray@st.com>

diff --git a/arch/arm/boot/dts/stm32mp157a-dk1.dts b/arch/arm/boot/dts/stm32mp157a-dk1.dts
index d03d4cd2606a..65ee61b7667a 100644
--- a/arch/arm/boot/dts/stm32mp157a-dk1.dts
+++ b/arch/arm/boot/dts/stm32mp157a-dk1.dts
@@ -18,6 +18,7 @@
 	aliases {
 		ethernet0 = &ethernet0;
 		serial0 = &uart4;
+		serial1 = &usart3;
 	};
 
 	chosen {
diff --git a/arch/arm/boot/dts/stm32mp157c-dk2.dts b/arch/arm/boot/dts/stm32mp157c-dk2.dts
index 9a8a26710ac1..fb690a817e28 100644
--- a/arch/arm/boot/dts/stm32mp157c-dk2.dts
+++ b/arch/arm/boot/dts/stm32mp157c-dk2.dts
@@ -19,6 +19,7 @@
 	aliases {
 		ethernet0 = &ethernet0;
 		serial0 = &uart4;
+		serial1 = &usart3;
 	};
 
 	chosen {
diff --git a/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi b/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi
index e5fdbc149bf4..243aa4b2063d 100644
--- a/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi
+++ b/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi
@@ -591,6 +591,15 @@
 	status = "okay";
 };
 
+&usart3 {
+	pinctrl-names = "default", "sleep", "idle";
+	pinctrl-0 = <&usart3_pins_c>;
+	pinctrl-1 = <&usart3_sleep_pins_c>;
+	pinctrl-2 = <&usart3_idle_pins_c>;
+	uart-has-rtscts;
+	status = "disabled";
+};
+
 &usbh_ehci {
 	phys = <&usbphyc_port0>;
 	status = "okay";
-- 
2.17.1


^ permalink raw reply related	[flat|nested] 7+ messages in thread

* [PATCH 3/5] ARM: dts: stm32: add usart3 node to stm32mp157c-ev1
  2020-05-28  7:40 [PATCH 0/5] STM32 add usart nodes support Erwan Le Ray
  2020-05-28  7:40 ` [PATCH 1/5] ARM: dts: stm32: add usart2, usart3 and uart7 pins in stm32mp15-pinctrl Erwan Le Ray
  2020-05-28  7:40 ` [PATCH 2/5] ARM: dts: stm32: add usart3 node to stm32mp15xx-dkx boards Erwan Le Ray
@ 2020-05-28  7:40 ` Erwan Le Ray
  2020-05-28  7:40 ` [PATCH 4/5] ARM: dts: stm32: add uart7 support to stm32mp15xx-dkx boards Erwan Le Ray
  2020-05-28  7:40 ` [PATCH 5/5] ARM: dts: stm32: add usart2 node to stm32mp157c-dk2 Erwan Le Ray
  4 siblings, 0 replies; 7+ messages in thread
From: Erwan Le Ray @ 2020-05-28  7:40 UTC (permalink / raw)
  To: Maxime Coquelin, Alexandre Torgue, Rob Herring, Mark Rutland
  Cc: linux-stm32, linux-arm-kernel, devicetree, linux-kernel,
	Erwan Le Ray, Fabrice Gasnier

Adds the usart3 node to stm32mp157c-ev1 board. usart3 pins are connected to
GPIO Expansion connector. usart3 is disabled by default.

Signed-off-by: Erwan Le Ray <erwan.leray@st.com>

diff --git a/arch/arm/boot/dts/stm32mp157c-ev1.dts b/arch/arm/boot/dts/stm32mp157c-ev1.dts
index b19056557ef0..e56dde8d20f8 100644
--- a/arch/arm/boot/dts/stm32mp157c-ev1.dts
+++ b/arch/arm/boot/dts/stm32mp157c-ev1.dts
@@ -19,6 +19,7 @@
 
 	aliases {
 		serial0 = &uart4;
+		serial1 = &usart3;
 		ethernet0 = &ethernet0;
 	};
 
@@ -341,6 +342,15 @@
 	};
 };
 
+&usart3 {
+	pinctrl-names = "default", "sleep", "idle";
+	pinctrl-0 = <&usart3_pins_b>;
+	pinctrl-1 = <&usart3_sleep_pins_b>;
+	pinctrl-2 = <&usart3_idle_pins_b>;
+	uart-has-rtscts;
+	status = "disabled";
+};
+
 &usbh_ehci {
 	phys = <&usbphyc_port0>;
 	status = "okay";
-- 
2.17.1


^ permalink raw reply related	[flat|nested] 7+ messages in thread

* [PATCH 4/5] ARM: dts: stm32: add uart7 support to stm32mp15xx-dkx boards
  2020-05-28  7:40 [PATCH 0/5] STM32 add usart nodes support Erwan Le Ray
                   ` (2 preceding siblings ...)
  2020-05-28  7:40 ` [PATCH 3/5] ARM: dts: stm32: add usart3 node to stm32mp157c-ev1 Erwan Le Ray
@ 2020-05-28  7:40 ` Erwan Le Ray
  2020-05-28  7:40 ` [PATCH 5/5] ARM: dts: stm32: add usart2 node to stm32mp157c-dk2 Erwan Le Ray
  4 siblings, 0 replies; 7+ messages in thread
From: Erwan Le Ray @ 2020-05-28  7:40 UTC (permalink / raw)
  To: Maxime Coquelin, Alexandre Torgue, Rob Herring, Mark Rutland
  Cc: linux-stm32, linux-arm-kernel, devicetree, linux-kernel,
	Erwan Le Ray, Fabrice Gasnier

Adds uart7 node to stm32mp15xx-dkx and uart7 alias to stm32mp157a-dk1 and
stm32mp157c-dk2 boards. uart7 pins are connected to Arduino connector.
uart7 is disabled by default.

Signed-off-by: Erwan Le Ray <erwan.leray@st.com>

diff --git a/arch/arm/boot/dts/stm32mp157a-dk1.dts b/arch/arm/boot/dts/stm32mp157a-dk1.dts
index 65ee61b7667a..4c8be9c8eb20 100644
--- a/arch/arm/boot/dts/stm32mp157a-dk1.dts
+++ b/arch/arm/boot/dts/stm32mp157a-dk1.dts
@@ -19,6 +19,7 @@
 		ethernet0 = &ethernet0;
 		serial0 = &uart4;
 		serial1 = &usart3;
+		serial2 = &uart7;
 	};
 
 	chosen {
diff --git a/arch/arm/boot/dts/stm32mp157c-dk2.dts b/arch/arm/boot/dts/stm32mp157c-dk2.dts
index fb690a817e28..ffbae4a8753d 100644
--- a/arch/arm/boot/dts/stm32mp157c-dk2.dts
+++ b/arch/arm/boot/dts/stm32mp157c-dk2.dts
@@ -20,6 +20,7 @@
 		ethernet0 = &ethernet0;
 		serial0 = &uart4;
 		serial1 = &usart3;
+		serial2 = &uart7;
 	};
 
 	chosen {
diff --git a/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi b/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi
index 243aa4b2063d..cfbe3e2afef2 100644
--- a/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi
+++ b/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi
@@ -591,6 +591,14 @@
 	status = "okay";
 };
 
+&uart7 {
+	pinctrl-names = "default", "sleep", "idle";
+	pinctrl-0 = <&uart7_pins_c>;
+	pinctrl-1 = <&uart7_sleep_pins_c>;
+	pinctrl-2 = <&uart7_idle_pins_c>;
+	status = "disabled";
+};
+
 &usart3 {
 	pinctrl-names = "default", "sleep", "idle";
 	pinctrl-0 = <&usart3_pins_c>;
-- 
2.17.1


^ permalink raw reply related	[flat|nested] 7+ messages in thread

* [PATCH 5/5] ARM: dts: stm32: add usart2 node to stm32mp157c-dk2
  2020-05-28  7:40 [PATCH 0/5] STM32 add usart nodes support Erwan Le Ray
                   ` (3 preceding siblings ...)
  2020-05-28  7:40 ` [PATCH 4/5] ARM: dts: stm32: add uart7 support to stm32mp15xx-dkx boards Erwan Le Ray
@ 2020-05-28  7:40 ` Erwan Le Ray
  4 siblings, 0 replies; 7+ messages in thread
From: Erwan Le Ray @ 2020-05-28  7:40 UTC (permalink / raw)
  To: Maxime Coquelin, Alexandre Torgue, Rob Herring, Mark Rutland
  Cc: linux-stm32, linux-arm-kernel, devicetree, linux-kernel,
	Erwan Le Ray, Fabrice Gasnier

Adds the usart2 node to stm32mp157c-dk2 board. usart2 pins are connected
to Bluetooth component. usart2 is disabled by default.

Signed-off-by: Erwan Le Ray <erwan.leray@st.com>

diff --git a/arch/arm/boot/dts/stm32mp157c-dk2.dts b/arch/arm/boot/dts/stm32mp157c-dk2.dts
index ffbae4a8753d..045636555ddd 100644
--- a/arch/arm/boot/dts/stm32mp157c-dk2.dts
+++ b/arch/arm/boot/dts/stm32mp157c-dk2.dts
@@ -21,6 +21,7 @@
 		serial0 = &uart4;
 		serial1 = &usart3;
 		serial2 = &uart7;
+		serial3 = &usart2;
 	};
 
 	chosen {
@@ -86,3 +87,11 @@
 		};
 	};
 };
+
+&usart2 {
+	pinctrl-names = "default", "sleep", "idle";
+	pinctrl-0 = <&usart2_pins_c>;
+	pinctrl-1 = <&usart2_sleep_pins_c>;
+	pinctrl-2 = <&usart2_idle_pins_c>;
+	status = "disabled";
+};
-- 
2.17.1


^ permalink raw reply related	[flat|nested] 7+ messages in thread

end of thread, other threads:[~2020-06-15 10:50 UTC | newest]

Thread overview: 7+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2020-05-28  7:40 [PATCH 0/5] STM32 add usart nodes support Erwan Le Ray
2020-05-28  7:40 ` [PATCH 1/5] ARM: dts: stm32: add usart2, usart3 and uart7 pins in stm32mp15-pinctrl Erwan Le Ray
2020-06-15 10:49   ` Alexandre Torgue
2020-05-28  7:40 ` [PATCH 2/5] ARM: dts: stm32: add usart3 node to stm32mp15xx-dkx boards Erwan Le Ray
2020-05-28  7:40 ` [PATCH 3/5] ARM: dts: stm32: add usart3 node to stm32mp157c-ev1 Erwan Le Ray
2020-05-28  7:40 ` [PATCH 4/5] ARM: dts: stm32: add uart7 support to stm32mp15xx-dkx boards Erwan Le Ray
2020-05-28  7:40 ` [PATCH 5/5] ARM: dts: stm32: add usart2 node to stm32mp157c-dk2 Erwan Le Ray

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