nvidia: use kernel overlay features

Update all Kconfig files and Makefiles to rely on the kernel overlay
feature. In particular, don't include any Kconfig files or Makefiles
from other overlays. -I directives in CFLAGS are not yet cleaned up.

Bug 1978395

Change-Id: I425d37d55f8ea61fb3a082a1504f994ff30cec03
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1561187
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 40 insertions, 0 deletions

diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig
new file mode 100644
index 000000000..f800b3cdd
--- /dev/null
+++ b/drivers/i2c/busses/Kconfig
@@ -0,0 +1,40 @@
+append_menu "I2C Hardware Bus support"
+
+config I2C_TEGRA_VI
+        tristate "NVIDIA Tegra internal VII2C controller"
+        depends on ARCH_TEGRA
+        default y
+        select I2C_ALGOBIT
+        help
+          If you say yes to this option, support will be included for the
+          I2C controller embedded in NVIDIA Tegra SOCs
+
+config I2C_BPMP_TEGRA
+        tristate "NVIDIA Tegra internal BPMP I2C controller"
+        depends on TEGRA_BPMP
+        default y
+        select I2C_ALGO_BUSCLEAR
+        select I2C_ALGOBIT
+        help
+          If you say yes to this option, support will be included for the
+          I2C controller embedded in NVIDIA Tegra SOCs accessed via BPMP.
+          This I2C driver is a 'virtual' I2C driver. The real driver is
+          embedded in the BPMP firmware, and this driver merely communicates
+          with that real driver.
+config TEGRA_I2CSLV_T186
+        bool "Tegra i2c slave controller driver"
+        default y
+        help
+          Enable on-chip i2c slave controller.
+config I2C_TEGRA_CAMRTC
+        bool "Tegra I2C Camera RTCPU driver"
+        depends on TEGRA_CAMERA_RTCPU
+        help
+          If you say yes to this option, support will be included for the
+          I2C controller embedded in NVIDIA Tegra SOCs accessed via Camera
+          RTCPU processor. This I2C driver is a 'virtual' I2C driver
+          compatible with I2C bus driver. The real driver is embedded in the
+          Camera RTCPU firmware, and this driver merely communicates with
+          that real driver.
+
+endmenu