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Date: Sat, 9 May 2015 09:53:52 +0200 From: Maxime Coquelin <mcoquelin.stm32@...il.com> To: u.kleine-koenig@...gutronix.de, afaerber@...e.de, geert@...ux-m68k.org, Rob Herring <robh+dt@...nel.org>, Philipp Zabel <p.zabel@...gutronix.de>, Linus Walleij <linus.walleij@...aro.org>, Arnd Bergmann <arnd@...db.de>, stefan@...er.ch, pmeerw@...erw.net, pebolle@...cali.nl, peter@...leysoftware.com, andy.shevchenko@...il.com, cw00.choi@...sung.com, Russell King <linux@....linux.org.uk>, Daniel Lezcano <daniel.lezcano@...aro.org>, joe@...ches.com, Vladimir Zapolskiy <vladimir_zapolskiy@...tor.com>, lee.jones@...aro.org, Daniel Thompson <daniel.thompson@...aro.org> Cc: Jonathan Corbet <corbet@....net>, Pawel Moll <pawel.moll@....com>, Mark Rutland <mark.rutland@....com>, Ian Campbell <ijc+devicetree@...lion.org.uk>, Kumar Gala <galak@...eaurora.org>, Thomas Gleixner <tglx@...utronix.de>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, Jiri Slaby <jslaby@...e.cz>, Andrew Morton <akpm@...ux-foundation.org>, "David S. Miller" <davem@...emloft.net>, Mauro Carvalho Chehab <mchehab@....samsung.com>, Antti Palosaari <crope@....fi>, Tejun Heo <tj@...nel.org>, Will Deacon <will.deacon@....com>, Nikolay Borisov <Nikolay.Borisov@....com>, Rusty Russell <rusty@...tcorp.com.au>, Kees Cook <keescook@...omium.org>, Michal Marek <mmarek@...e.cz>, linux-doc@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, devicetree@...r.kernel.org, linux-gpio@...r.kernel.org, linux-serial@...r.kernel.org, linux-arch@...r.kernel.org, linux-api@...r.kernel.org, mcoquelin.stm32@...il.com, Nicolae Rosia <nicolae.rosia@...il.com>, Kamil Lulko <rev13@...pl> Subject: [PATCH v8 10/16] dt-bindings: Document the STM32 USART bindings This adds documentation of device tree bindings for the STM32 USART Tested-by: Chanwoo Choi <cw00.choi@...sung.com> Signed-off-by: Maxime Coquelin <mcoquelin.stm32@...il.com> --- .../devicetree/bindings/serial/st,stm32-usart.txt | 32 ++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 Documentation/devicetree/bindings/serial/st,stm32-usart.txt diff --git a/Documentation/devicetree/bindings/serial/st,stm32-usart.txt b/Documentation/devicetree/bindings/serial/st,stm32-usart.txt new file mode 100644 index 0000000..8480a76 --- /dev/null +++ b/Documentation/devicetree/bindings/serial/st,stm32-usart.txt @@ -0,0 +1,32 @@ +* STMicroelectronics STM32 USART + +Required properties: +- compatible: Can be either "st,stm32-usart" or "st,stm32-uart" depending on +whether the device supports synchronous mode. +- reg: The address and length of the peripheral registers space +- interrupts: The interrupt line of the USART instance +- clocks: The input clock of the USART instance + +Optional properties: +- pinctrl: The reference on the pins configuration +- auto-flow-control: bool flag to enable hardware flow control. + +Examples: +usart4: serial@...04c00 { + compatible = "st,stm32-uart"; + reg = <0x40004c00 0x400>; + interrupts = <52>; + clocks = <&clk_pclk1>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_usart4>; +}; + +usart2: serial@...04400 { + compatible = "st,stm32-usart", "st,stm32-uart"; + reg = <0x40004400 0x400>; + interrupts = <38>; + clocks = <&clk_pclk1>; + auto-flow-control; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_usart2 &pinctrl_usart2_rtscts>; +}; -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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