From: Akhil R <akhilrajeev@nvidia.com>
To: <andy.shevchenko@gmail.com>, <christian.koenig@amd.com>,
<digetx@gmail.com>, <dri-devel@lists.freedesktop.org>,
<jonathanh@nvidia.com>, <ldewangan@nvidia.com>,
<linaro-mm-sig@lists.linaro.org>, <linux-i2c@vger.kernel.org>,
<linux-kernel@vger.kernel.org>, <linux-media@vger.kernel.org>,
<linux-tegra@vger.kernel.org>, <p.zabel@pengutronix.de>,
<sumit.semwal@linaro.org>, <thierry.reding@gmail.com>,
<robh+dt@kernel.org>, <devicetree@vger.kernel.org>
Cc: <akhilrajeev@nvidia.com>
Subject: [PATCH 1/2] dt-bindings: i2c: tegra: Add SMBus feature properties
Date: Thu, 9 Dec 2021 20:35:20 +0530 [thread overview]
Message-ID: <1639062321-18840-2-git-send-email-akhilrajeev@nvidia.com> (raw)
In-Reply-To: <1639062321-18840-1-git-send-email-akhilrajeev@nvidia.com>
Tegra I2C can use a gpio as an smbus-alert. Document the usage of
the same.
Signed-off-by: Akhil R <akhilrajeev@nvidia.com>
---
Documentation/devicetree/bindings/i2c/nvidia,tegra20-i2c.txt | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/Documentation/devicetree/bindings/i2c/nvidia,tegra20-i2c.txt b/Documentation/devicetree/bindings/i2c/nvidia,tegra20-i2c.txt
index 3f2f990..71ee79b 100644
--- a/Documentation/devicetree/bindings/i2c/nvidia,tegra20-i2c.txt
+++ b/Documentation/devicetree/bindings/i2c/nvidia,tegra20-i2c.txt
@@ -70,6 +70,10 @@ Required properties:
- rx
- tx
+optional properties:
+- smbalert-gpio: Must contain an entry for the gpio to be used as smbus alert.
+ It will be used only if optional smbus-alert property is present.
+
Example:
i2c@7000c000 {
--
2.7.4
next prev parent reply other threads:[~2021-12-09 15:06 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-09 15:05 [PATCH 0/2] Add SMBus features to Tegra I2C Akhil R
2021-12-09 15:05 ` Akhil R [this message]
2021-12-09 15:30 ` [PATCH 1/2] dt-bindings: i2c: tegra: Add SMBus feature properties Andy Shevchenko
2021-12-15 18:37 ` Rob Herring
2021-12-09 15:05 ` [PATCH 2/2] i2c: tegra: Add SMBus block read and SMBus alert functions Akhil R
2021-12-09 15:27 ` Dmitry Osipenko
2021-12-10 9:38 ` Akhil R
2021-12-11 20:07 ` Dmitry Osipenko
2021-12-11 20:12 ` Dmitry Osipenko
2021-12-09 15:30 ` Dmitry Osipenko
2021-12-09 15:33 ` Andy Shevchenko
2021-12-09 15:42 ` Dmitry Osipenko
2021-12-09 15:43 ` Dmitry Osipenko
2021-12-09 16:04 ` [PATCH 0/2] Add SMBus features to Tegra I2C Dmitry Osipenko
2021-12-10 8:56 ` Thierry Reding
2021-12-15 18:42 ` Rob Herring
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