linux-kernel - Re: [PATCH v3 2/2] i2c: New bus driver for the Qualcomm QUP I2C controller

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Date:	Fri, 21 Feb 2014 09:35:57 -0600
From:	Kumar Gala <galak@...eaurora.org>
To:	Bjorn Andersson <bjorn.andersson@...ymobile.com>
Cc:	Rob Herring <robh+dt@...nel.org>, Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Rob Landley <rob@...dley.net>,
	Wolfram Sang <wsa@...-dreams.de>,
	Grant Likely <grant.likely@...aro.org>,
	devicetree <devicetree@...r.kernel.org>,
	linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-i2c@...r.kernel.org,
	linux-arm-msm <linux-arm-msm@...r.kernel.org>,
	linux-arm-kernel@...ts.infradead.org,
	Andy Gross <agross@...eaurora.org>,
	Stephen Boyd <sboyd@...eaurora.org>,
	"Ivan T. Ivanov" <iivanov@...sol.com>
Subject: Re: [PATCH v3 2/2] i2c: New bus driver for the Qualcomm QUP I2C controller


On Feb 20, 2014, at 6:38 PM, Bjorn Andersson <bjorn.andersson@...ymobile.com> wrote:

> This bus driver supports the QUP i2c hardware controller in the Qualcomm SOCs.
> The Qualcomm Universal Peripheral Engine (QUP) is a general purpose data path
> engine with input/output FIFOs and an embedded i2c mini-core. The driver
> supports FIFO mode (for low bandwidth applications) and block mode (interrupt
> generated for each block-size data transfer).
> 
> Cc: Andy Gross <agross@...eaurora.org>
> Cc: Stephen Boyd <sboyd@...eaurora.org>
> Signed-off-by: Ivan T. Ivanov <iivanov@...sol.com>
> Signed-off-by: Bjorn Andersson <bjorn.andersson@...ymobile.com>
> ---
> drivers/i2c/busses/Kconfig   |   10 +
> drivers/i2c/busses/Makefile  |    1 +
> drivers/i2c/busses/i2c-qup.c |  772 ++++++++++++++++++++++++++++++++++++++++++
> 3 files changed, 783 insertions(+)
> create mode 100644 drivers/i2c/busses/i2c-qup.c
> 
> diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig
> index f5ed031..403e196 100644
> --- a/drivers/i2c/busses/Kconfig
> +++ b/drivers/i2c/busses/Kconfig
> @@ -648,6 +648,16 @@ config I2C_PXA_SLAVE
> 	  is necessary for systems where the PXA may be a target on the
> 	  I2C bus.
> 
> +config I2C_QUP
> +	tristate "Qualcomm QUP based I2C controller"
> +	depends on ARCH_MSM

ARCH_QCOM

> +	help
> +	  If you say yes to this option, support will be included for the
> +	  built-in I2C interface on the Qualcomm SoCs.
> +
> +	  This driver can also be built as a module.  If so, the module
> +	  will be called i2c-qup.
> +
> config I2C_RIIC
> 	tristate "Renesas RIIC adapter"
> 	depends on ARCH_SHMOBILE || COMPILE_TEST

- k

-- 
Employee of Qualcomm Innovation Center, Inc.
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation

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