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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 /arch/arm/cpu/armv7/sunxi/clock_sun6i.c
parent904dfbfd67fbdf4562236efb3f0769ecfe7a7e58 (diff)
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 'arch/arm/cpu/armv7/sunxi/clock_sun6i.c')
-rw-r--r--arch/arm/cpu/armv7/sunxi/clock_sun6i.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/sunxi/clock_sun6i.c b/arch/arm/cpu/armv7/sunxi/clock_sun6i.c
index 4501884e1c..1da5455c9a 100644
--- a/arch/arm/cpu/armv7/sunxi/clock_sun6i.c
+++ b/arch/arm/cpu/armv7/sunxi/clock_sun6i.c
@@ -77,6 +77,16 @@ int clock_twi_onoff(int port, int state)
struct sunxi_ccm_reg *const ccm =
(struct sunxi_ccm_reg *)SUNXI_CCM_BASE;
+ if (port == 5) {
+ if (state)
+ prcm_apb0_enable(
+ PRCM_APB0_GATE_PIO | PRCM_APB0_GATE_I2C);
+ else
+ prcm_apb0_disable(
+ PRCM_APB0_GATE_PIO | PRCM_APB0_GATE_I2C);
+ return 0;
+ }
+
/* set the apb clock gate for twi */
if (state)
setbits_le32(&ccm->apb2_gate,