From: Timur Tabi <timur@codeaurora.org>
To: Grant Likely <grant.likely@secretlab.ca>,
Linus Walleij <linus.walleij@linaro.org>
Cc: Stephen Boyd <sboyd@codeaurora.org>,
Rob Herring <robh+dt@kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
linux-arm-msm@vger.kernel.org,
Linux ARM <linux-arm-kernel@lists.infradead.org>,
Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
Bjorn Andersson <bjorn.andersson@linaro.org>,
linux-gpio@vger.kernel.org,
"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
<devicetree@vger.kernel.org>
Subject: Re: [PATCH 2/3] dt-bindings: pinctrl: Add a ngpios-ranges property
Date: Thu, 11 Jan 2018 10:36:38 -0600 [thread overview]
Message-ID: <73078b7c-c3dd-0927-a82a-fb9369f5b576@codeaurora.org> (raw)
In-Reply-To: <CACxGe6vA652LCosMc+AsQ2Gb_mgiApx+Gxu9judXnO_p3AFcsw@mail.gmail.com>
On 01/11/2018 10:33 AM, Grant Likely wrote:
> What level of access control is implemented here? Is there access
> control for each GPIO individually, or is it done by banks of GPIOs?
> Just asking to make sure I understand the problem domain.
On our ACPI system, it's specific GPIOs. Each GPIO is in its own 64k
page, which is what allows us to block specific ones.
--
Qualcomm Datacenter Technologies, Inc. as an affiliate of Qualcomm
Technologies, Inc. Qualcomm Technologies, Inc. is a member of the
Code Aurora Forum, a Linux Foundation Collaborative Project.
next prev parent reply other threads:[~2018-01-11 16:36 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-10 1:58 [PATCH 0/3] Support qcom pinctrl protected pins Stephen Boyd
[not found] ` <20180110015848.11480-1-sboyd-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2018-01-10 1:58 ` [PATCH 1/3] gpiolib: Export gpiochip_irqchip_irq_valid() to drivers Stephen Boyd
2018-01-10 6:16 ` Bjorn Andersson
2018-01-10 13:22 ` Linus Walleij
2018-01-10 1:58 ` [PATCH 2/3] dt-bindings: pinctrl: Add a ngpios-ranges property Stephen Boyd
2018-01-10 12:54 ` Andy Shevchenko
[not found] ` <20180110015848.11480-3-sboyd-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2018-01-10 13:37 ` Linus Walleij
2018-01-10 16:37 ` Stephen Boyd
2018-01-10 17:59 ` Andy Shevchenko
2018-01-11 16:33 ` Grant Likely
2018-01-11 16:36 ` Timur Tabi [this message]
2018-01-11 19:56 ` Grant Likely
2018-01-10 1:58 ` [PATCH 3/3] pinctrl: qcom: Don't allow protected pins to be requested Stephen Boyd
2018-01-10 6:11 ` Bjorn Andersson
2018-01-22 13:55 ` Timur Tabi
2018-01-22 20:03 ` Timur Tabi
2018-01-25 21:51 ` Stephen Boyd
2018-01-25 21:53 ` Timur Tabi
2018-01-25 20:48 ` Timur Tabi
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