From: afaerber@suse•de (Andreas Färber)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH v8 14/16] ARM: dts: Introduce STM32F429 MCU
Date: Fri, 22 May 2015 15:09:30 +0200 [thread overview]
Message-ID: <555F2A8A.5020205@suse.de> (raw)
In-Reply-To: <CALszF6CQ1_HQXJ8=vgytvVo2t4_ue5_nsE06HPyHMzSLrntqKg@mail.gmail.com>
Am 22.05.2015 um 14:32 schrieb Maxime Coquelin:
> 2015-05-22 12:07 GMT+02:00 Philipp Zabel <p.zabel@pengutronix•de>:
>> The STM32F427xx/STM32F429xx manual, Table 13. "STM32F427xx and
>> STM32F429xx register boundary addresses" contains this entry:
>> Bus Boundary address Peripheral
>> AHB1 0x40023800-0x400238bf RCC
>>
>> And that's how I'd expect it to be described by the device tree:
>>
>> rcc: rcc at 40023800 {
>> compatible = "st,stm32-rcc";
>> reg = <0x40023800 0xc0>;
>> };
>>
>
> Doing that, since this register bank contains both reset and clock
> registers, the reset device cannot get the IO resource at probe time
> because the clock driver has already reserved it.
> Daniel, who has started to work on the clock driver is facing this issue.
> This is why I proposed this binding for "reg" property.
As you should know, I did have an RCC clk driver, and there is no such
issue. The two drivers use different mechanisms for initialization. And
I'm pretty sure that I've already remarked that on the list, too.
Regards,
Andreas
--
SUSE Linux GmbH, Maxfeldstr. 5, 90409 N?rnberg, Germany
GF: Felix Imend?rffer, Jane Smithard, Dilip Upmanyu, Graham Norton; HRB
21284 (AG N?rnberg)
next prev parent reply other threads:[~2015-05-22 13:09 UTC|newest]
Thread overview: 88+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-09 7:53 [PATCH v8 00/16] Add support to STMicroelectronics STM32 family Maxime Coquelin
2015-05-09 7:53 ` [PATCH v8 01/16] scripts: link-vmlinux: Don't pass page offset to kallsyms if XIP Kernel Maxime Coquelin
2015-05-18 11:47 ` Maxime Coquelin
2015-05-20 23:04 ` Andreas Färber
2015-05-21 5:40 ` Michal Marek
2015-05-21 7:42 ` Maxime Coquelin
2015-05-22 20:20 ` Andreas Färber
2015-05-09 7:53 ` [PATCH v8 02/16] ARM: ARMv7-M: Enlarge vector table up to 256 entries Maxime Coquelin
2015-05-09 7:53 ` [PATCH v8 03/16] dt-bindings: Document the ARM System timer bindings Maxime Coquelin
2015-05-09 7:53 ` [PATCH v8 04/16] clocksource/drivers: Add ARM System timer driver Maxime Coquelin
2015-05-18 11:55 ` Maxime Coquelin
2015-05-18 12:49 ` Daniel Lezcano
2015-05-18 12:57 ` Maxime Coquelin
2015-05-09 7:53 ` [PATCH v8 05/16] dt-bindings: mfd: Add STM32F4 RCC numeric constants into DT include file Maxime Coquelin
2015-05-09 7:53 ` [PATCH v8 06/16] dt-bindings: Document the STM32 reset bindings Maxime Coquelin
2015-05-09 7:53 ` [PATCH v8 07/16] drivers: reset: Add STM32 reset driver Maxime Coquelin
2015-05-20 23:45 ` Andreas Färber
2015-05-21 7:46 ` Maxime Coquelin
2015-05-21 17:58 ` Andreas Färber
2015-05-21 19:57 ` Maxime Coquelin
2015-05-21 22:01 ` Andreas Färber
2015-05-22 14:04 ` Maxime Coquelin
2015-05-09 7:53 ` [PATCH v8 08/16] dt-bindings: Document the STM32 timer bindings Maxime Coquelin
2015-05-09 7:53 ` [PATCH v8 09/16] clockevents/drivers: Add STM32 Timer driver Maxime Coquelin
2015-05-18 12:59 ` Maxime Coquelin
2015-05-18 13:10 ` Daniel Lezcano
2015-05-18 14:03 ` Maxime Coquelin
2015-05-19 8:16 ` Daniel Lezcano
2015-05-19 8:55 ` Maxime Coquelin
2015-05-19 9:06 ` Daniel Lezcano
2015-05-19 9:44 ` Maxime Coquelin
2015-05-19 9:59 ` Daniel Lezcano
2015-05-19 10:02 ` Maxime Coquelin
2015-05-19 10:55 ` Arnd Bergmann
2015-05-19 13:42 ` Maxime Coquelin
2015-05-19 13:49 ` Daniel Lezcano
2015-05-19 14:05 ` Arnd Bergmann
2015-05-19 14:41 ` Maxime Coquelin
2015-05-19 14:50 ` Russell King - ARM Linux
2015-05-19 15:34 ` Maxime Coquelin
2015-05-19 15:03 ` Daniel Lezcano
2015-05-19 12:56 ` Thomas Gleixner
2015-05-19 13:00 ` Russell King - ARM Linux
2015-05-19 13:17 ` Maxime Coquelin
2015-05-09 7:53 ` [PATCH v8 10/16] dt-bindings: Document the STM32 USART bindings Maxime Coquelin
2015-05-09 7:53 ` [PATCH v8 11/16] serial: stm32-usart: Add STM32 USART Driver Maxime Coquelin
2015-05-09 10:07 ` Andy Shevchenko
2015-05-18 13:05 ` Maxime Coquelin
2015-05-09 7:53 ` [PATCH v8 12/16] ARM: Add STM32 family machine Maxime Coquelin
2015-05-15 19:57 ` Arnd Bergmann
2015-05-09 7:53 ` [PATCH v8 13/16] ARM: dts: Add ARM System timer as clocksource in armv7m Maxime Coquelin
2015-05-15 19:59 ` Arnd Bergmann
2015-05-09 7:53 ` [PATCH v8 14/16] ARM: dts: Introduce STM32F429 MCU Maxime Coquelin
2015-05-12 21:21 ` Arnd Bergmann
2015-05-13 11:45 ` Maxime Coquelin
2015-05-13 12:58 ` Daniel Thompson
2015-05-13 13:27 ` Arnd Bergmann
2015-05-13 15:20 ` Daniel Thompson
2015-05-13 15:28 ` Arnd Bergmann
2015-05-13 16:29 ` Maxime Coquelin
2015-05-13 16:37 ` Arnd Bergmann
2015-05-13 16:54 ` Maxime Coquelin
2015-05-13 19:11 ` Arnd Bergmann
2015-05-20 16:17 ` Maxime Coquelin
2015-05-21 18:51 ` Maxime Ripard
2015-05-21 20:10 ` Maxime Coquelin
2015-05-23 8:28 ` Maxime Ripard
2015-05-26 9:25 ` Maxime Coquelin
2015-05-22 9:06 ` Philipp Zabel
2015-05-22 9:18 ` Maxime Ripard
2015-05-22 10:07 ` Philipp Zabel
2015-05-22 12:32 ` Maxime Coquelin
2015-05-22 12:43 ` Daniel Thompson
2015-05-22 13:09 ` Andreas Färber [this message]
2015-05-22 13:57 ` Maxime Coquelin
2015-05-22 14:06 ` Andreas Färber
2015-05-22 14:14 ` Daniel Thompson
2015-05-23 8:18 ` Maxime Ripard
2015-05-22 9:41 ` Maxime Coquelin
2015-05-13 19:29 ` Daniel Thompson
2015-05-13 19:37 ` Arnd Bergmann
2015-05-14 16:34 ` Maxime Coquelin
2015-05-14 19:38 ` Daniel Thompson
2015-05-18 12:21 ` Maxime Coquelin
2015-05-09 7:53 ` [PATCH v8 15/16] ARM: configs: Add STM32 defconfig Maxime Coquelin
2015-05-15 20:03 ` Arnd Bergmann
2015-05-09 7:53 ` [PATCH v8 16/16] MAINTAINERS: Add entry for STM32 MCUs Maxime Coquelin
2015-05-15 19:58 ` Arnd Bergmann
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