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Message-id: <55022AC0.7090403@samsung.com>
Date: Fri, 13 Mar 2015 09:09:36 +0900
From: Chanwoo Choi <cw00.choi@...sung.com>
To: Maxime Coquelin <mcoquelin.stm32@...il.com>
Cc: 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,
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>,
Russell King <linux@....linux.org.uk>,
Daniel Lezcano <daniel.lezcano@...aro.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>,
Joe Perches <joe@...ches.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
Subject: Re: [PATCH v3 05/15] dt-bindings: Document the STM32 reset bindings
Hi Maxime,
On 03/13/2015 06:55 AM, Maxime Coquelin wrote:
> From: Maxime Coquelin <mcoquelin.stm32@...il.com>
>
> This adds documentation of device tree bindings for the
> STM32 reset controller.
>
> Signed-off-by: Maxime Coquelin <mcoquelin.stm32@...il.com>
> ---
> .../devicetree/bindings/reset/st,stm32-rcc.txt | 102 +++++++++++++++++++++
> 1 file changed, 102 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/reset/st,stm32-rcc.txt
>
> diff --git a/Documentation/devicetree/bindings/reset/st,stm32-rcc.txt b/Documentation/devicetree/bindings/reset/st,stm32-rcc.txt
> new file mode 100644
> index 0000000..962f961
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/reset/st,stm32-rcc.txt
> @@ -0,0 +1,102 @@
> +STMicroelectronics STM32 Peripheral Reset Controller
> +====================================================
> +
> +The RCC IP is both a reset and a clock controller. This documentation only
> +document the reset part.
> +
> +Please also refer to reset.txt in this directory for common reset
> +controller binding usage.
> +
> +Required properties:
> +- compatible: Should be "st,stm32-rcc"
> +- reg: should be register base and length as documented in the
> + datasheet
> +- #reset-cells: 1, see below
> +
> +example:
> +
> +rcc: reset@...23800 {
> + #reset-cells = <1>;
> + compatible = "st,stm32-rcc";
> + reg = <0x40023800 0x400>;
> +};
> +
> +Specifying softreset control of devices
> +=======================================
> +
> +Device nodes should specify the reset channel required in their "resets"
> +property, containing a phandle to the reset device node and an index specifying
> +which channel to use.
> +
> +example:
> +
> + timer2 {
> + resets = <&rcc 256>;
> + };
> +
> +List of indexes for STM32F429:
> + - gpioa: 128
> + - gpiob: 129
> + - gpioc: 130
> + - gpiod: 131
> + - gpioe: 132
> + - gpiof: 133
> + - gpiog: 134
> + - gpioh: 135
> + - gpioi: 136
> + - gpioj: 137
> + - gpiok: 138
> + - crc: 140
> + - dma1: 149
> + - dma2: 150
> + - dma2d: 151
> + - ethmac: 153
> + - otghs: 157
> + - dcmi: 160
> + - cryp: 164
> + - hash: 165
> + - rng: 166
> + - otgfs: 167
> + - fmc: 192
> + - tim2: 256
> + - tim3: 257
> + - tim4: 258
> + - tim5: 259
> + - tim6: 260
> + - tim7: 261
> + - tim12: 262
> + - tim13: 263
> + - tim14: 264
> + - wwdg: 267
> + - spi2: 270
> + - spi3: 271
> + - uart2: 273
> + - uart3: 274
> + - uart4: 275
> + - uart5: 276
> + - i2c1: 277
> + - i2c2: 278
> + - i2c3: 279
> + - can1: 281
> + - can2: 282
> + - pwr: 284
> + - dac: 285
> + - uart7: 286
> + - uart8: 287
> + - tim1: 288
> + - tim8: 289
> + - usart1: 292
> + - usart6: 293
> + - adc: 296
> + - sdio: 299
> + - spi1: 300
> + - spi4: 301
> + - syscfg: 302
> + - tim9: 304
> + - tim10: 305
> + - tim11: 306
> + - spi5: 308
> + - spi6: 309
> + - sai1: 310
> + - ltdc: 31
> +
>
Last line is un-necessary. When I applied this patch for test
"new blank line at EOF" happen.
+++ b/Documentation/devicetree/bindings/reset/st,stm32-rcc.txt
@@ -99,4 +99,3 @@ List of indexes for STM32F429:
- spi6: 309
- sai1: 310
- ltdc: 31
-
Thanks,
Chanwoo Choi
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