On 5 August 2016 at 11:03, Stephen Warren <swar...@wwwdotorg.org> wrote: > From: Stephen Warren <swar...@nvidia.com> > > The Tegra BPMP (Boot and Power Management Processor) is a separate > auxiliary CPU embedded into Tegra to perform power management work, and > controls related features such as clocks, resets, power domains, PMIC I2C > bus, etc. This driver provides the core low-level communication path by > which feature-specific drivers (such as clock) can make requests to the > BPMP. This driver is similar to an MFD driver in the Linux kernel. It is > unconditionally selected by CONFIG_TEGRA186 since virtually any Tegra186 > build of U-Boot will need the feature. > > Signed-off-by: Stephen Warren <swar...@nvidia.com> > --- > v3: > * Implement misc uclass "call" op. > * Squash in patch that scans DT for child devices (for I2C support), v2 of > which had changelog: > * Use dm_scan_fdt_dev() to scan sub-nodes. This function was just added. > v2: > * Use an SPDX license header in bpmp_abi.h. > * Add a function-level comment for tegra186_bpmp_call(). > * Use fdtdec_get_addr_size_auto_noparent() to retrieve shmem address. > > This depends on the following patches: > fdt: allow fdtdec_get_addr_size_*() to translate addresses > fdt_support: fdt_translate_address() blob const correctness > --- > arch/arm/include/asm/arch-tegra/bpmp_abi.h | 1591 > ++++++++++++++++++++++++++++ > arch/arm/mach-tegra/Kconfig | 2 + > drivers/misc/Kconfig | 12 + > drivers/misc/Makefile | 1 + > drivers/misc/tegra186_bpmp.c | 257 +++++ > 5 files changed, 1863 insertions(+) > create mode 100644 arch/arm/include/asm/arch-tegra/bpmp_abi.h > create mode 100644 drivers/misc/tegra186_bpmp.c
Reviewed-by: Simon Glass <s...@chromium.org> _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
