[PATCH 0/3] Add stm32h743i-disco board

[PATCH 0/3] Add stm32h743i-disco board

[patrice.chotard]

From: Patrice Chotard <patrice.chotard@st.com>

This series adds basic support for the stm32h743i discovery board 
based on stm32h7 MCU.

Patrice Chotard (3):
  ARM: dts: stm32h743: Add usart2_pins
  ARM: dts: stm32h743: Add usart2 support
  ARM: dts: stm32h743: Add stm32h743i-disco board

 arch/arm/boot/dts/Makefile               |  3 +-
 arch/arm/boot/dts/stm32h743-pinctrl.dtsi | 13 ++++++
 arch/arm/boot/dts/stm32h743.dtsi         |  8 ++++
 arch/arm/boot/dts/stm32h743i-disco.dts   | 74 ++++++++++++++++++++++++++++++++
 4 files changed, 97 insertions(+), 1 deletion(-)
 create mode 100644 arch/arm/boot/dts/stm32h743i-disco.dts

-- 
1.9.1

[PATCH 2/3] ARM: dts: stm32h743: Add usart2 support

[patrice.chotard]

From: Patrice Chotard <patrice.chotard@st.com>

This usart is used for console output on stm32h743i-disco board

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
---
 arch/arm/boot/dts/stm32h743.dtsi | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/arm/boot/dts/stm32h743.dtsi b/arch/arm/boot/dts/stm32h743.dtsi
index 4685629..36a99db 100644
--- a/arch/arm/boot/dts/stm32h743.dtsi
+++ b/arch/arm/boot/dts/stm32h743.dtsi
@@ -68,6 +68,14 @@
 
 		};
 
+		usart2: serial@40004400 {
+			compatible = "st,stm32f7-usart", "st,stm32f7-uart";
+			reg = <0x40004400 0x400>;
+			interrupts = <38>;
+			status = "disabled";
+			clocks = <&timer_clk>;
+		};
+
 		timer5: timer@40000c00 {
 			compatible = "st,stm32-timer";
 			reg = <0x40000c00 0x400>;
-- 
1.9.1

[PATCH 3/3] ARM: dts: stm32h743: Add stm32h743i-disco board

[patrice.chotard]

From: Patrice Chotard <patrice.chotard@st.com>

Add basic support for stm32h743i-discovery board

This board offers :
  _ 2MBytes Flash
  _ 1 x micro USB OTG port
  _ 1 x STLink connector (micro USB)
  _ 1 x micro SD card slot
  _ 1 x RJ45 connector
  _ 1 x RCA connector
  _ 2 x Audio jack connectors (in and out)
  _ 2 x speaker connectors (left and right)
  _ 1 x joystick
  _ 1 x DCMI connector (Digital camera interface)
  _ 1 x 4 inch DSI LCD (Display Serial Interface)
  _ Arduino Uno Connectors
  _ 2 x PIO connectors (PMOD and PMOD+)
  _ 1 x wakeup button
  _ 1 x reset button

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
---
 arch/arm/boot/dts/Makefile             |  3 +-
 arch/arm/boot/dts/stm32h743i-disco.dts | 74 ++++++++++++++++++++++++++++++++++
 2 files changed, 76 insertions(+), 1 deletion(-)
 create mode 100644 arch/arm/boot/dts/stm32h743i-disco.dts

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 9c5e1d9..52839d0 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -792,7 +792,8 @@ dtb-$(CONFIG_ARCH_STM32)+= \
 	stm32f469-disco.dtb \
 	stm32429i-eval.dtb \
 	stm32746g-eval.dtb \
-	stm32h743i-eval.dtb
+	stm32h743i-eval.dtb \
+	stm32h743i-disco.dtb
 dtb-$(CONFIG_MACH_SUN4I) += \
 	sun4i-a10-a1000.dtb \
 	sun4i-a10-ba10-tvbox.dtb \
diff --git a/arch/arm/boot/dts/stm32h743i-disco.dts b/arch/arm/boot/dts/stm32h743i-disco.dts
new file mode 100644
index 0000000..582a2b8
--- /dev/null
+++ b/arch/arm/boot/dts/stm32h743i-disco.dts
@@ -0,0 +1,74 @@
+/*
+ * Copyright 2017 - Patrice Chotard <patrice.chotard@st.com>
+ *
+ * This file is dual-licensed: you can use it either under the terms
+ * of the GPL or the X11 license, at your option. Note that this dual
+ * licensing only applies to this file, and not this project as a
+ * whole.
+ *
+ *  a) This file is free software; you can redistribute it and/or
+ *     modify it under the terms of the GNU General Public License as
+ *     published by the Free Software Foundation; either version 2 of the
+ *     License, or (at your option) any later version.
+ *
+ *     This file is distributed in the hope that it will be useful,
+ *     but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *     GNU General Public License for more details.
+ *
+ * Or, alternatively,
+ *
+ *  b) Permission is hereby granted, free of charge, to any person
+ *     obtaining a copy of this software and associated documentation
+ *     files (the "Software"), to deal in the Software without
+ *     restriction, including without limitation the rights to use,
+ *     copy, modify, merge, publish, distribute, sublicense, and/or
+ *     sell copies of the Software, and to permit persons to whom the
+ *     Software is furnished to do so, subject to the following
+ *     conditions:
+ *
+ *     The above copyright notice and this permission notice shall be
+ *     included in all copies or substantial portions of the Software.
+ *
+ *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+ *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+ *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ *     OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/dts-v1/;
+#include "stm32h743.dtsi"
+#include "stm32h743-pinctrl.dtsi"
+
+/ {
+	model = "STMicroelectronics STM32H743i-Discovery board";
+	compatible = "st,stm32h743i-disco", "st,stm32h743";
+
+	chosen {
+		bootargs = "root=/dev/ram";
+		stdout-path = "serial0:115200n8";
+	};
+
+	memory {
+		reg = <0xd0000000 0x2000000>;
+	};
+
+	aliases {
+		serial0 = &usart2;
+	};
+};
+
+&clk_hse {
+	clock-frequency = <125000000>;
+};
+
+&usart2 {
+	pinctrl-0 = <&usart2_pins>;
+	pinctrl-names = "default";
+	status = "okay";
+};
+
-- 
1.9.1

[PATCH 1/3] ARM: dts: stm32h743: Add usart2_pins

[patrice.chotard-qxv4g6HH51o]

From: Patrice Chotard <patrice.chotard-qxv4g6HH51o@public.gmane.org>

Add usart2 pins definition in order to add usart2 support
dedicated for console output on stm32h743i-disco board.

Signed-off-by: Patrice Chotard <patrice.chotard-qxv4g6HH51o@public.gmane.org>
---
 arch/arm/boot/dts/stm32h743-pinctrl.dtsi | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/arch/arm/boot/dts/stm32h743-pinctrl.dtsi b/arch/arm/boot/dts/stm32h743-pinctrl.dtsi
index fcc1e06..76bbd65 100644
--- a/arch/arm/boot/dts/stm32h743-pinctrl.dtsi
+++ b/arch/arm/boot/dts/stm32h743-pinctrl.dtsi
@@ -151,6 +151,19 @@
 					bias-disable;
 				};
 			};
+
+			usart2_pins: usart2@0 {
+				pins1 {
+					pinmux = <STM32H7_PD5_FUNC_USART2_TX>;
+					bias-disable;
+					drive-push-pull;
+					slew-rate = <0>;
+				};
+				pins2 {
+					pinmux = <STM32H7_PD6_FUNC_USART2_RX>;
+					bias-disable;
+				};
+			};
 		};
 	};
 };
-- 
1.9.1

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Re: [PATCH 0/3] Add stm32h743i-disco board

[Alexandre Torgue]

Hi Patrice

On 06/06/2017 06:13 PM, patrice.chotard-qxv4g6HH51o@public.gmane.org wrote:
> From: Patrice Chotard <patrice.chotard-qxv4g6HH51o@public.gmane.org>
>
> This series adds basic support for the stm32h743i discovery board
> based on stm32h7 MCU.
>
> Patrice Chotard (3):
>   ARM: dts: stm32h743: Add usart2_pins
>   ARM: dts: stm32h743: Add usart2 support
>   ARM: dts: stm32h743: Add stm32h743i-disco board
>
>  arch/arm/boot/dts/Makefile               |  3 +-
>  arch/arm/boot/dts/stm32h743-pinctrl.dtsi | 13 ++++++
>  arch/arm/boot/dts/stm32h743.dtsi         |  8 ++++
>  arch/arm/boot/dts/stm32h743i-disco.dts   | 74 ++++++++++++++++++++++++++++++++
>  4 files changed, 97 insertions(+), 1 deletion(-)
>  create mode 100644 arch/arm/boot/dts/stm32h743i-disco.dts
>

Series looks fine for me, but can you change commit header please. For 
example: ARM: dts: stm32: Add usart2_pins on stm32h743.

Soon it will be done, I will apply it for next pull request.

Regards
Alex
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Re: [PATCH 0/3] Add stm32h743i-disco board

[Patrice CHOTARD]

Hi Alex

On 06/07/2017 09:04 AM, Alexandre Torgue wrote:
> Hi Patrice
> 
> On 06/06/2017 06:13 PM, patrice.chotard-qxv4g6HH51o@public.gmane.org wrote:
>> From: Patrice Chotard <patrice.chotard-qxv4g6HH51o@public.gmane.org>
>>
>> This series adds basic support for the stm32h743i discovery board
>> based on stm32h7 MCU.
>>
>> Patrice Chotard (3):
>>   ARM: dts: stm32h743: Add usart2_pins
>>   ARM: dts: stm32h743: Add usart2 support
>>   ARM: dts: stm32h743: Add stm32h743i-disco board
>>
>>  arch/arm/boot/dts/Makefile               |  3 +-
>>  arch/arm/boot/dts/stm32h743-pinctrl.dtsi | 13 ++++++
>>  arch/arm/boot/dts/stm32h743.dtsi         |  8 ++++
>>  arch/arm/boot/dts/stm32h743i-disco.dts   | 74 
>> ++++++++++++++++++++++++++++++++
>>  4 files changed, 97 insertions(+), 1 deletion(-)
>>  create mode 100644 arch/arm/boot/dts/stm32h743i-disco.dts
>>
> 
> Series looks fine for me, but can you change commit header please. For 
> example: ARM: dts: stm32: Add usart2_pins on stm32h743.
> 
> Soon it will be done, I will apply it for next pull request.

Sure, the v2 is on the way

Patrice

> 
> Regards
> Alex--
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[PATCH 0/3] Add stm32h743i-disco board

[patrice.chotard-qxv4g6HH51o]

From: Patrice Chotard <patrice.chotard-qxv4g6HH51o@public.gmane.org>

This series adds basic support for the stm32h743i discovery board 
based on stm32h7 MCU.

v2:	_ update commit messages header with format "ARM: dts: stm32: ...."

Patrice Chotard (3):
  ARM: dts: stm32: Add usart2_pins on stm32h743.
  ARM: dts: stm32: Add usart2 support on stm32h743.
  ARM: dts: stm32: Add stm32h743i-disco board

 arch/arm/boot/dts/Makefile               |  3 +-
 arch/arm/boot/dts/stm32h743-pinctrl.dtsi | 13 ++++++
 arch/arm/boot/dts/stm32h743.dtsi         |  8 ++++
 arch/arm/boot/dts/stm32h743i-disco.dts   | 73 ++++++++++++++++++++++++++++++++
 4 files changed, 96 insertions(+), 1 deletion(-)
 create mode 100644 arch/arm/boot/dts/stm32h743i-disco.dts

-- 
1.9.1

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Re: [PATCH 0/3] Add stm32h743i-disco board

[Alexandre Torgue]

Hi Patrice,

On 06/07/2017 09:16 AM, patrice.chotard@st.com wrote:
> From: Patrice Chotard <patrice.chotard@st.com>
> 
> This series adds basic support for the stm32h743i discovery board
> based on stm32h7 MCU.
> 
> v2:	_ update commit messages header with format "ARM: dts: stm32: ...."
> 
> Patrice Chotard (3):
>    ARM: dts: stm32: Add usart2_pins on stm32h743.
>    ARM: dts: stm32: Add usart2 support on stm32h743.
>    ARM: dts: stm32: Add stm32h743i-disco board
> 
>   arch/arm/boot/dts/Makefile               |  3 +-
>   arch/arm/boot/dts/stm32h743-pinctrl.dtsi | 13 ++++++
>   arch/arm/boot/dts/stm32h743.dtsi         |  8 ++++
>   arch/arm/boot/dts/stm32h743i-disco.dts   | 73 ++++++++++++++++++++++++++++++++
>   4 files changed, 96 insertions(+), 1 deletion(-)
>   create mode 100644 arch/arm/boot/dts/stm32h743i-disco.dts
> 

Series applied on stm32-dt-for-v4.13

Regards
Alex