From mboxrd@z Thu Jan 1 00:00:00 1970 From: mperttunen@nvidia.com (Mikko Perttunen) Date: Tue, 5 Aug 2014 11:12:58 +0300 Subject: [PATCH 1/3] of: Add descriptions of thermtrip properties to Tegra PMC bindings In-Reply-To: <1407226380-747-1-git-send-email-mperttunen@nvidia.com> References: <1407226380-747-1-git-send-email-mperttunen@nvidia.com> Message-ID: <1407226380-747-2-git-send-email-mperttunen@nvidia.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 --- .../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 : 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