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authorJelle van der Waa <jelle@vdwaa.nl>2016-01-14 14:06:26 +0100
committerHeiko Schocher <hs@denx.de>2016-01-21 07:30:01 +0100
commit9d0826879e13e8139a7b169c2365225e848ff57e (patch)
treeb98b0a2fdac16b1c8b22f0d4b527509ed6b02d60 /board
parent904dfbfd67fbdf4562236efb3f0769ecfe7a7e58 (diff)
downloadtalos-obmc-uboot-9d0826879e13e8139a7b169c2365225e848ff57e.tar.gz
talos-obmc-uboot-9d0826879e13e8139a7b169c2365225e848ff57e.zip
sunxi: Add support for the I2C controller which is part of the PRCM
Signed-off-by: Jelle van der Waa <jelle@vdwaa.nl> [hdegoede@redhat.com: Minor cleanups] Signed-off-by: Hans de Goede <hdegoede@redhat.com> applied with fixing 2 checkpatch warnings: WARNING: please, no space before tabs Signed-off-by: Heiko Schocher <hs@denx.de>
Diffstat (limited to 'board')
-rw-r--r--board/sunxi/Kconfig6
-rw-r--r--board/sunxi/board.c6
2 files changed, 12 insertions, 0 deletions
diff --git a/board/sunxi/Kconfig b/board/sunxi/Kconfig
index 9d67847850..7c69be918f 100644
--- a/board/sunxi/Kconfig
+++ b/board/sunxi/Kconfig
@@ -363,6 +363,12 @@ config I2C3_ENABLE
See I2C0_ENABLE help text.
endif
+config R_I2C_ENABLE
+ bool "Enable the PRCM I2C/TWI controller"
+ default n
+ ---help---
+ Set this to y to enable the I2C controller which is part of the PRCM.
+
if MACH_SUN7I
config I2C4_ENABLE
bool "Enable I2C/TWI controller 4"
diff --git a/board/sunxi/board.c b/board/sunxi/board.c
index 386e2e04c2..1cc39e4d18 100644
--- a/board/sunxi/board.c
+++ b/board/sunxi/board.c
@@ -422,6 +422,12 @@ void i2c_init_board(void)
clock_twi_onoff(4, 1);
#endif
#endif
+
+#ifdef CONFIG_R_I2C_ENABLE
+ clock_twi_onoff(5, 1);
+ sunxi_gpio_set_cfgpin(SUNXI_GPL(0), SUN8I_H3_GPL_R_TWI);
+ sunxi_gpio_set_cfgpin(SUNXI_GPL(1), SUN8I_H3_GPL_R_TWI);
+#endif
}
#ifdef CONFIG_SPL_BUILD
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