From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephen Warren Date: Tue, 10 Jan 2012 10:56:55 -0700 Subject: [U-Boot] [PATCH 07/14] tegra: Add PMU to manage power supplies In-Reply-To: <1324927987-13100-8-git-send-email-sjg@chromium.org> References: <1324927987-13100-1-git-send-email-sjg@chromium.org> <1324927987-13100-8-git-send-email-sjg@chromium.org> Message-ID: <4F0C7BE7.9060201@nvidia.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On 12/26/2011 12:33 PM, Simon Glass wrote: > From: Jimmy Zhang > > Power supplies must be adjusted in line with clock frequency. This code > provides a simple routine to set the voltage to allow operation at maximum > frequency. > > Signed-off-by: Simon Glass > --- > arch/arm/cpu/armv7/tegra2/Makefile | 1 + > arch/arm/cpu/armv7/tegra2/pmu.c | 355 ++++++++++++++++++++++++++++++++ > arch/arm/include/asm/arch-tegra2/pmu.h | 63 ++++++ > 3 files changed, 419 insertions(+), 0 deletions(-) > create mode 100644 arch/arm/cpu/armv7/tegra2/pmu.c > create mode 100644 arch/arm/include/asm/arch-tegra2/pmu.h This driver appears to be for an I2C-based device, so I assume it'd for a particular PMIC not Tegra's PMC HW module. I imagine this is a driver for the TI TPS6586X, right? As such, naming this "pmu" and putting it into the Tegra directory doesn't make sense. There should be a generic TPS6586X driver, and possibly a separate file and patch to implement the use of that chip in conjunction with Tegra. -- nvpublic