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-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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