From: Patrice Chotard <[email protected]>
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
From: Patrice Chotard <[email protected]>
Add usart2 pins definition in order to add usart2 support
dedicated for console output on stm32h743i-disco board.
Signed-off-by: Patrice Chotard <[email protected]>
---
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
From: Patrice Chotard <[email protected]>
This usart is used for console output on stm32h743i-disco board
Signed-off-by: Patrice Chotard <[email protected]>
---
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
From: Patrice Chotard <[email protected]>
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 <[email protected]>
---
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 <[email protected]>
+ *
+ * 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
Hi Patrice
On 06/06/2017 06:13 PM, [email protected] wrote:
> From: Patrice Chotard <[email protected]>
>
> 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
Hi Alex
On 06/07/2017 09:04 AM, Alexandre Torgue wrote:
> Hi Patrice
>
> On 06/06/2017 06:13 PM, [email protected] wrote:
>> From: Patrice Chotard <[email protected]>
>>
>> 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