linux-kernel - Re: [Patch v3 0/6] GSBI CRCI Autoconfiguration Support

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Date:	Tue, 10 Feb 2015 11:57:27 -0600
From:	Kumar Gala <galak@...eaurora.org>
To:	Andy Gross <agross@...eaurora.org>
Cc:	linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
	Bjorn Andersson <bjorn.andersson@...ymobile.com>,
	linux-kernel@...r.kernel.org, linux-soc@...r.kernel.org,
	Stephen Boyd <sboyd@...eaurora.org>
Subject: Re: [Patch v3 0/6] GSBI CRCI Autoconfiguration Support


On Feb 9, 2015, at 4:01 PM, Andy Gross <agross@...eaurora.org> wrote:

> This patch set adds support for automatic configuration of GSBI DMA CRCI values.
> 
> DMA operations require that the ADM CRCI mux values be properly configured in
> the TCSR (Top Control and Status Register) block.  During probing of a GSBI
> device, the client mode must be declared and this can be used to lookup the
> correct TCSR ADM CRCI MUX settings and then program them so that they are
> correct before any clients are populated.
> 
> These patches add the TCSR as a syscon device and that allows the GSBI to
> access and manipulate the ADM CRCI MUX registers to correctly configure the
> values based on the GSBI port configuration.
> 
> Changes since v2:
>  - Use cell-index instead of alias to denote GSBI instance
> 
> Changes since v1:
>  - Fixed various review comments
> 
> Andy Gross (6):
>  soc: qcom: gsbi: Add support for ADM CRCI muxing
>  mfd: qcom,tcsr: Add device tree binding for TCSR
>  ARM: DT: apq8064: Add TCSR support
>  ARM: DT: ipq8064: Add TCSR support
>  ARM: DT: msm8660: Add TCSR support
>  ARM: DT: msm8960: Add TCSR support
> 
> .../devicetree/bindings/mfd/qcom,tcsr.txt          |   22 +++
> .../devicetree/bindings/soc/qcom/qcom,gsbi.txt     |   14 +-
> arch/arm/boot/dts/qcom-apq8064.dtsi                |   14 ++
> arch/arm/boot/dts/qcom-ipq8064.dtsi                |   14 ++
> arch/arm/boot/dts/qcom-msm8660.dtsi                |    8 ++
> arch/arm/boot/dts/qcom-msm8960.dtsi                |    8 ++
> drivers/soc/qcom/Kconfig                           |    1 +
> drivers/soc/qcom/qcom_gsbi.c                       |  152 ++++++++++++++++++++
> 8 files changed, 232 insertions(+), 1 deletion(-)
> create mode 100644 Documentation/devicetree/bindings/mfd/qcom,tcsr.txt

Series looks good, do we need a qcom_defconfig update to enable anything new for this?

- k

-- 
Qualcomm Innovation Center, Inc.
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project

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