From: Karthik Ramasubramanian <kramasub@codeaurora.org>
To: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: corbet@lwn.net, andy.gross@linaro.org, david.brown@linaro.org,
robh+dt@kernel.org, mark.rutland@arm.com, wsa@the-dreams.de,
gregkh@linuxfoundation.org, linux-doc@vger.kernel.org,
linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
linux-i2c@vger.kernel.org, linux-serial@vger.kernel.org,
jslaby@suse.com
Subject: Re: [PATCH v2 2/7] dt-bindings: soc: qcom: Add device tree binding for GENI SE
Date: Mon, 26 Feb 2018 14:24:23 -0700 [thread overview]
Message-ID: <14a7641c-a42b-5017-0dc4-f708dcb26696@codeaurora.org> (raw)
In-Reply-To: <20180117062558.GB6620@minitux>
On 1/16/2018 11:25 PM, Bjorn Andersson wrote:
> On Fri 12 Jan 17:05 PST 2018, Karthikeyan Ramasubramanian wrote:
>
>> Add device tree binding support for the QCOM GENI SE driver.
>>
>> Signed-off-by: Karthikeyan Ramasubramanian <kramasub@codeaurora.org>
>
> Better describe the entire GENI, with it's functions in the same
> binding.
Ok.
>
>> ---
>> .../devicetree/bindings/soc/qcom/qcom,geni-se.txt | 34 ++++++++++++++++++++++
>> 1 file changed, 34 insertions(+)
>> create mode 100644 Documentation/devicetree/bindings/soc/qcom/qcom,geni-se.txt
>>
>> diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,geni-se.txt b/Documentation/devicetree/bindings/soc/qcom/qcom,geni-se.txt
>> new file mode 100644
>> index 0000000..66f8a16
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/soc/qcom/qcom,geni-se.txt
>> @@ -0,0 +1,34 @@
>> +Qualcomm Technologies, Inc. GENI Serial Engine QUP Wrapper Controller
>> +
>> +Generic Interface (GENI) based Qualcomm Universal Peripheral (QUP) wrapper
>> +is a programmable module for supporting a wide range of serial interfaces
>> +like UART, SPI, I2C, I3C, etc. A single QUP module can provide upto 8 Serial
>> +Interfaces, using its internal Serial Engines. The GENI Serial Engine QUP
>> +Wrapper controller is modeled as a node with zero or more child nodes each
>> +representing a serial engine.
>> +
>> +Required properties:
>> +- compatible: Must be "qcom,geni-se-qup".
>> +- reg: Must contain QUP register address and length.
>> +- clock-names: Must contain "m-ahb" and "s-ahb".
>> +- clocks: AHB clocks needed by the device.
>> +
>> +Required properties if child node exists:
>> +- #address-cells: Must be 1
>> +- #size-cells: Must be 1
>
> But on a 64-bit system, shouldn't these be 2?
As pointed out by Rob in his response, the module size is less than 4G
and hence 1.
>
>> +- ranges: Must be present
>> +
>> +Properties for children:
>> +
>> +A GENI based QUP wrapper controller node can contain 0 or more child nodes
>> +representing serial devices. These serial devices can be a QCOM UART, I2C
>> +controller, spi controller, or some combination of aforementioned devices.
>> +
>> +Example:
>> + qup0: qcom,geniqup0@8c0000 {
>
> I don't see a reason for this to be referenced, so skip the label. And
> don't use qcom, in the node name; "geni" would be perfectly fine?
Ok.
>
>> + compatible = "qcom,geni-se-qup";
>> + reg = <0x8c0000 0x6000>;
>> + clock-names = "m-ahb", "s-ahb";
>> + clocks = <&clock_gcc GCC_QUPV3_WRAP_0_M_AHB_CLK>,
>> + <&clock_gcc GCC_QUPV3_WRAP_0_S_AHB_CLK>;
>> + }
>
> Regards,
> Bjorn
>
Regards,
Karthik.
--
Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project
next prev parent reply other threads:[~2018-02-26 21:24 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-13 1:05 [PATCH v2 0/7] Introduce GENI SE Controller Driver Karthikeyan Ramasubramanian
2018-01-13 1:05 ` [PATCH v2 1/7] qcom-geni-se: Add QCOM GENI SE Driver summary Karthikeyan Ramasubramanian
2018-01-16 16:55 ` Bjorn Andersson
2018-01-29 21:52 ` Karthik Ramasubramanian
2018-01-13 1:05 ` [PATCH v2 2/7] dt-bindings: soc: qcom: Add device tree binding for GENI SE Karthikeyan Ramasubramanian
2018-01-17 6:25 ` Bjorn Andersson
2018-01-19 22:53 ` Rob Herring
2018-02-26 21:24 ` Karthik Ramasubramanian [this message]
2018-01-13 1:05 ` [PATCH v2 4/7] dt-bindings: i2c: Add device tree bindings for GENI I2C Controller Karthikeyan Ramasubramanian
[not found] ` <1515805547-22816-5-git-send-email-kramasub-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2018-01-17 6:31 ` Bjorn Andersson
2018-02-26 21:28 ` Karthik Ramasubramanian
2018-01-13 1:05 ` [PATCH v2 6/7] dt-bindings: serial: Add bindings for GENI based UART Controller Karthikeyan Ramasubramanian
2018-01-17 6:35 ` Bjorn Andersson
2018-02-27 13:25 ` Karthik Ramasubramanian
2018-01-13 1:05 ` [PATCH v2 7/7] tty: serial: msm_geni_serial: Add serial driver support for GENI based QUP Karthikeyan Ramasubramanian
2018-01-18 19:43 ` Bjorn Andersson
2018-01-19 7:12 ` Bjorn Andersson
2018-02-27 15:07 ` Karthik Ramasubramanian
2018-01-24 23:07 ` [v2, " Evan Green
2018-02-14 11:04 ` [PATCH v2 " Amit Kucheria
2018-02-23 18:06 ` [v2, " Guenter Roeck
2018-02-27 13:23 ` Karthik Ramasubramanian
2018-02-23 19:05 ` Doug Anderson
[not found] ` <1515805547-22816-1-git-send-email-kramasub-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2018-01-13 1:05 ` [PATCH v2 3/7] soc: qcom: Add GENI based QUP Wrapper driver Karthikeyan Ramasubramanian
2018-01-17 6:20 ` Bjorn Andersson
2018-01-18 9:13 ` Rajendra Nayak
2018-01-18 16:57 ` Bjorn Andersson
2018-01-19 22:57 ` Rob Herring
2018-01-31 19:02 ` Karthik Ramasubramanian
[not found] ` <1abb0679-1997-9b70-30bd-d3472cea7053-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2018-02-05 23:53 ` Bjorn Andersson
2018-01-31 18:58 ` Karthik Ramasubramanian
2018-02-05 23:50 ` Bjorn Andersson
[not found] ` <1515805547-22816-4-git-send-email-kramasub-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2018-01-24 23:06 ` [v2,3/7] " Evan Green
2018-01-26 19:38 ` Doug Anderson
2018-02-14 11:07 ` [PATCH v2 3/7] " Amit Kucheria
2018-02-16 20:44 ` Karthik Ramasubramanian
2018-01-13 1:05 ` [PATCH v2 5/7] i2c: i2c-qcom-geni: Add bus driver for the Qualcomm GENI I2C controller Karthikeyan Ramasubramanian
[not found] ` <1515805547-22816-6-git-send-email-kramasub-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2018-01-18 5:23 ` Bjorn Andersson
2018-02-27 13:16 ` Karthik Ramasubramanian
2018-01-24 23:07 ` [v2, " Evan Green
2018-01-19 18:32 ` [PATCH v2 0/7] Introduce GENI SE Controller Driver Randy Dunlap
2018-01-31 18:59 ` Karthik Ramasubramanian
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