linux-kernel - [PATCH 1/3] of: Add descriptions of thermtrip properties to Tegra PMC bindings

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <1407226380-747-2-git-send-email-mperttunen@nvidia.com>
Date:	Tue, 5 Aug 2014 11:12:58 +0300
From:	Mikko Perttunen <mperttunen@...dia.com>
To:	<swarren@...dotorg.org>, <thierry.reding@...il.com>
CC:	<linux-kernel@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-tegra@...r.kernel.org>,
	Mikko Perttunen <mperttunen@...dia.com>
Subject: [PATCH 1/3] of: Add descriptions of thermtrip properties to Tegra PMC bindings

Hardware-triggered thermal reset requires configuring the I2C
reset procedure. This configuration is read from the device tree,
so document the relevant properties in the binding documentation.

Signed-off-by: Mikko Perttunen <mperttunen@...dia.com>
---
 .../devicetree/bindings/arm/tegra/nvidia,tegra20-pmc.txt    | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/Documentation/devicetree/bindings/arm/tegra/nvidia,tegra20-pmc.txt b/Documentation/devicetree/bindings/arm/tegra/nvidia,tegra20-pmc.txt
index 68ac65f..140e2aa 100644
--- a/Documentation/devicetree/bindings/arm/tegra/nvidia,tegra20-pmc.txt
+++ b/Documentation/devicetree/bindings/arm/tegra/nvidia,tegra20-pmc.txt
@@ -38,6 +38,19 @@ Required properties when nvidia,suspend-mode is specified:
 			      Core power good time in uS.
 - nvidia,core-pwr-off-time : Core power off time in uS.
 
+Required properties for hardware-triggered thermal reset:
+    (only tegra30, tegra114, tegra124)
+- nvidia,thermtrip-pmu-i2c-addr : I2C address of the power management unit.
+- nvidia,thermtrip-i2c-controller : Index of the I2C controller the PMU is
+                                    attached to.
+- nvidia,thermtrip-reg-addr : Address (byte) to send reset command to.
+- nvidia,thermtrip-reg-data : Data (byte) to use as reset command.
+
+Optional properties for hardware-triggered thermal reset:
+    (only tegra30, tegra114, tegra124)
+- nvidia,thermtrip-pinmux : Pinmux ID used for I2C access.
+- nvidia,thermtrip-pmu-16bit-ops : Use 16-bit operations.
+
 Required properties when nvidia,suspend-mode=<0>:
 - nvidia,lp0-vec : <start length> Starting address and length of LP0 vector
   The LP0 vector contains the warm boot code that is executed by AVP when
-- 
1.8.1.5

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/