On Thu, 2011-02-17 at 17:34 -0700, Kenneth Heitke wrote: > SSBI is the Qualcomm single-wire serial bus interface used to connect > the MSM devices to the PMIC and other devices. > > Since SSBI only supports a single slave, the driver gets the name of the > slave device passed in from the board file through the master device's > platform data. > > SSBI registers pretty early (postcore), so that the PMIC can come up > before the board init. This is useful if the board init requires the > use of gpios that are connected through the PMIC. > > Based on a patch by Dima Zavin <dima@xxxxxxxxxxx> that can be found at: > http://android.git.kernel.org/?p=kernel/msm.git;a=commitdiff;h=eb060bac4 > > This patch adds PMIC Arbiter support for the MSM8660. The PMIC Arbiter > is a hardware wrapper around the SSBI 2.0 controller that is designed to > overcome concurrency issues and security limitations. A controller_type > field is added to the platform data to specify the type of the SSBI > controller (1.0, 2.0, or PMIC Arbiter). > > Signed-off-by: Kenneth Heitke <kheitke@xxxxxxxxxxxxxx> > --- > arch/arm/mach-msm/Kconfig | 16 ++ > arch/arm/mach-msm/Makefile | 1 + > arch/arm/mach-msm/include/mach/msm_ssbi.h | 38 +++ > arch/arm/mach-msm/ssbi.c | 376 +++++++++++++++++++++++++++++ > 4 files changed, 431 insertions(+), 0 deletions(-) > create mode 100644 arch/arm/mach-msm/include/mach/msm_ssbi.h > create mode 100644 arch/arm/mach-msm/ssbi.c > > diff --git a/arch/arm/mach-msm/Kconfig b/arch/arm/mach-msm/Kconfig > index 997c5bd..f35c3d9 100644 > --- a/arch/arm/mach-msm/Kconfig > +++ b/arch/arm/mach-msm/Kconfig > @@ -24,6 +24,7 @@ config ARCH_MSM7X30 > select MSM_GPIOMUX > select MSM_PROC_COMM > select HAS_MSM_DEBUG_UART_PHYS > + select HAS_MSM_SSBI > > config ARCH_QSD8X50 > bool "QSD8X50" > @@ -46,6 +47,7 @@ config ARCH_MSM8X60 > select MSM_V2_TLMM > select MSM_GPIOMUX > select MSM_SCM if SMP > + select HAS_MSM_SSBI > > config ARCH_MSM8960 > bool "MSM8960" > @@ -56,6 +58,7 @@ config ARCH_MSM8960 > select MSM_V2_TLMM > select MSM_GPIOMUX > select MSM_SCM if SMP > + select HAS_MSM_SSBI > > endchoice > > @@ -190,6 +193,16 @@ choice > endchoice > endif > > +config MSM_SSBI > + bool "Qualcomm Single-wire Serial Bus Interface (SSBI)" > + depends on HAS_MSM_SSBI > + help > + If you say yes to this option, support will be included for the > + built-in SSBI interface on Qualcomm MSM family processors. > + > + This is required for communicating with Qualcomm PMICs and > + other devices that have the SSBI interface. > + Can you put this in drivers/ this doesn't looks like it need to be here. Daniel -- Sent by a consultant of the Qualcomm Innovation Center, Inc. The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum. -- To unsubscribe from this list: send the line "unsubscribe linux-arm-msm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
