On Fri, Sep 28, 2012 at 11:26 AM, Kuninori Morimoto
kuninori.morimoto...@renesas.com wrote:
Dear Shubhrajyoti
Thank you for your comment.
Hi A few suggestions,
On Tue, Aug 28, 2012 at 2:07 PM, Kuninori Morimoto
kuninori.morimoto...@renesas.com wrote:
R-Car I2C is similar with SH7760
R-Car I2C is similar with SH7760 I2C.
But the SH7760 I2C driver had many workaround operations, since H/W had bugs.
Thus, it was pointless to keep compatible between SH7760 and R-Car I2C drivers.
This patch creates new Renesas R-Car I2C driver.
Signed-off-by: Kuninori Morimoto
Hi,
But before i send another version of this patchset, need some inputs from
Wolfram.
I am trying to have another I2C weekend this weekend. And your patches
have been scheduled for that. The generic feeling is:
Very useful but the interface could probably be simplified. This is why
it takes
On 28 September 2012 12:30, Wolfram Sang w.s...@pengutronix.de wrote:
I am trying to have another I2C weekend this weekend. And your patches
have been scheduled for that. The generic feeling is:
Very useful but the interface could probably be simplified. This is why
it takes me so long,
Hi Uwe,
On 28 September 2012 12:57, Uwe Kleine-König
u.kleine-koe...@pengutronix.de wrote:
On Fri, Sep 28, 2012 at 09:11:34AM +0530, viresh kumar wrote:
This was done, because few platforms may not have configuration bits to read
status of sda line.. For them skip_sda_polling was required.
From 72df5d1f51fb27a4ba7f70a3b07df759d32b8288 Mon Sep 17 00:00:00 2001
From: Zhang Rui rui.zh...@intel.com
Date: Thu, 27 Sep 2012 15:11:55 +0800
Subject: [RFC PATCH 1/6] Introduce acpi_match_device_id().
This API is used to check if a device id string is compatible
with an ACPI device,
either PNP
From 9a851d177794129a89f720c7122cb39fd163126b Mon Sep 17 00:00:00 2001
From: Zhang Rui rui.zh...@intel.com
Date: Fri, 28 Sep 2012 08:34:05 +0800
Subject: [RFC PATCH 3/6] ACPI: introduce acpi_get_generic_resources
Introduce acpi_get_generic_resources() to convert
ACPI style resources to struct
From 34aa38e12c04544d89af2eae46de284dc8a03b8d Mon Sep 17 00:00:00 2001
From: Zhang Rui rui.zh...@intel.com
Date: Thu, 27 Sep 2012 15:42:23 +0800
Subject: [RFC PATCH 4/6] Change i2c_register_board_info from __init to
__devinit.
ACPI 5 supports enumerating I2C adapter and its slaves
via ACPI
From 6077a62f2865201ab6727ca7d628ee5e43aa57e1 Mon Sep 17 00:00:00 2001
From: Zhang Rui rui.zh...@intel.com
Date: Fri, 24 Aug 2012 15:18:25 +0800
Subject: [RFC PATCH 5/6] ACPI: Introduce ACPI I2C controller enumeration
driver
This driver is able to
1) enumerate I2C controller via ACPI namespace
From 817d814ecae91862f42a0447f455dae7f74cba27 Mon Sep 17 00:00:00 2001
From: Zhang Rui rui.zh...@intel.com
Date: Fri, 24 Aug 2012 15:20:38 +0800
Subject: [RFC PATCH 6/6] Introduce INT33B1 I2C controller driver
This is a dummy platform device driver to illustrate my idea about
how a really I2C
On 28 September 2012 12:57, Uwe Kleine-König
u.kleine-koe...@pengutronix.de wrote:
Why do you default to GPIOF_OUT_INIT_LOW? The idle state of scl is high.
Using low here introduces an additional clk pulse.
Went deep into the code i wrote ages ago to check why i did so :)
My initial idea was,
From: Viresh Kumar viresh.ku...@st.com
Add i2c bus recovery infrastructure to i2c adapters as specified in the i2c
protocol Rev. 03 section 3.1.16 titled Bus clear.
http://www.nxp.com/documents/user_manual/UM10204.pdf
Sometimes during operation i2c bus hangs and we need to give dummy clocks to
From: Viresh Kumar viresh.ku...@st.com
Add bus recovery support for designware_i2c controller. It uses generic gpio
based i2c_gpio_recover_bus() routine.
Signed-off-by: Vincenzo Frascino vincenzo.frasc...@st.com
Signed-off-by: Shiraz Hashim shiraz.has...@st.com
Signed-off-by: Viresh Kumar
On Fri, 28 Sep 2012 15:40:32 +0800
Zhang Rui rui.zh...@intel.com wrote:
From 6077a62f2865201ab6727ca7d628ee5e43aa57e1 Mon Sep 17 00:00:00 2001
From: Zhang Rui rui.zh...@intel.com
Date: Fri, 24 Aug 2012 15:18:25 +0800
Subject: [RFC PATCH 5/6] ACPI: Introduce ACPI I2C controller enumeration
From: Patrice Chotard patrice.chot...@stericsson.com
Amend the I2C nomadik pin controller to optionally take a pin control
handle and set the state of the pins to:
- default on boot, resume and before performing an i2c transfer
- idle after initial default, after resume default, and after each
On Fri, Sep 28, 2012 at 03:38:30PM +0800, Zhang Rui wrote:
From 72df5d1f51fb27a4ba7f70a3b07df759d32b8288 Mon Sep 17 00:00:00 2001
From: Zhang Rui rui.zh...@intel.com
Date: Thu, 27 Sep 2012 15:11:55 +0800
Subject: [RFC PATCH 1/6] Introduce acpi_match_device_id().
This API is used to check if
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