[PATCH 1/3] of: Add descriptions of thermtrip properties to Tegra PMC bindings
From: mperttunen@nvidia.com (Mikko Perttunen)
Date: 2014-08-05 08:15:22
Also in:
linux-tegra, lkml
Subsystem:
open firmware and flattened device tree bindings, the rest · Maintainers:
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
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@nvidia.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
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1.8.1.5