Hi Tom, On Monday 23 October 2017 08:30 AM, Tom Rini wrote: > On Mon, Oct 23, 2017 at 08:07:09AM +0530, Lokesh Vutla wrote: >> On Wednesday 18 October 2017 05:11 PM, Faiz Abbas wrote: >>> The dra7xx series of SOCs contain a temperature sensor and an >>> associated analog-to-digital converter (ADC) which produces >>> an output which is proportional to the SOC temperature. >>> Add support for this temperature sensor. >>> >>> Signed-off-by: Faiz Abbas <faiz_ab...@ti.com> >>> Reviewed-by: Simon Glass <s...@chromium.org> >>> --- >>> v3: >>> Added Reviewed-by comment >>> >>> v2: >>> 1. Removed extra elements from ti_bandgap >>> 2. Changed base address to ulong >>> 3. Changed to udev to dev to maintain consistency >>> 4. minor format changes >>> >>> common/spl/Kconfig | 8 + >>> configs/dra7xx_evm_defconfig | 3 + >>> .../thermal/ti_soc_thermal.txt | 35 ++++ >>> drivers/Makefile | 2 +- >>> drivers/thermal/Kconfig | 6 + >>> drivers/thermal/Makefile | 1 + >>> drivers/thermal/ti-bandgap.c | 197 >>> +++++++++++++++++++++ >>> 7 files changed, 251 insertions(+), 1 deletion(-) >>> create mode 100644 doc/device-tree-bindings/thermal/ti_soc_thermal.txt >>> create mode 100644 drivers/thermal/ti-bandgap.c >>> >>> diff --git a/common/spl/Kconfig b/common/spl/Kconfig >>> index 0bd8370..0bf3ee3 100644 >>> --- a/common/spl/Kconfig >>> +++ b/common/spl/Kconfig >>> @@ -604,6 +604,14 @@ config SPL_SPI_SUPPORT >>> enable SPI drivers that are needed for other purposes also, such >>> as a SPI PMIC. >>> >>> +config SPL_THERMAL >>> + bool "Driver support for thermal devices" >>> + help >>> + Enable support for temperature-sensing devices. Some SoCs have on-chip >>> + temperature sensors to permit warnings, speed throttling or even >>> + automatic power-off when the temperature gets too high or low. Other >>> + devices may be discrete but connected on a suitable bus. >>> + >>> config SPL_USB_HOST_SUPPORT >>> bool "Support USB host drivers" >>> help >>> diff --git a/configs/dra7xx_evm_defconfig b/configs/dra7xx_evm_defconfig >>> index 468c288..447fb89 100644 >>> --- a/configs/dra7xx_evm_defconfig >>> +++ b/configs/dra7xx_evm_defconfig >>> @@ -90,3 +90,6 @@ CONFIG_USB_GADGET=y >>> CONFIG_USB_GADGET_MANUFACTURER="Texas Instruments" >>> CONFIG_USB_GADGET_VENDOR_NUM=0x0451 >>> CONFIG_USB_GADGET_PRODUCT_NUM=0xd022 >>> +CONFIG_SPL_THERMAL=y >>> +CONFIG_DM_THERMAL=y >>> +CONFIG_TI_DRA7_THERMAL=y >> >> Tom, >> Do you want these options to be implied so that it will take effect for >> HS board as well. Or enable it in defconfig as is? > > How important is it that this be enabled? Is this 100% within the SoC? > Thanks! >
There is an upcoming errata which requires temperature support to workaround. This errata will apply to the HS boards as well. Will send a new patch with imply added to TARGET_DRA7XX_EVM for these configs. Thanks, Faiz _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot
