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authorVignesh R <vigneshr@ti.com>2015-08-17 13:29:53 +0530
committerJagan Teki <jteki@openedev.com>2015-08-17 23:29:14 +0530
commit5b3b0d687ef927fff56d6c2af1f2a1134e6ee31c (patch)
tree124782afd46704403e2dee8228161c49c518b378 /arch/arm/cpu/armv7/am33xx
parent8a09cfe14bb05364c4a61256e25479a96301e423 (diff)
downloadblackbird-obmc-uboot-5b3b0d687ef927fff56d6c2af1f2a1134e6ee31c.tar.gz
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ARM: AM43XX: Add functions to enable and disable EDMA3 clocks
Adds functions to enable and disable edma3 clocks which can be invoked by drivers using edma3 to control the clocks. Signed-off-by: Vignesh R <vigneshr@ti.com> Reviewed-by: Tom Rini <trini@konsulko.com> Reviewed-by: Jagan Teki <jteki@openedev.com>
Diffstat (limited to 'arch/arm/cpu/armv7/am33xx')
-rw-r--r--arch/arm/cpu/armv7/am33xx/clock_am43xx.c36
1 files changed, 36 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/am33xx/clock_am43xx.c b/arch/arm/cpu/armv7/am33xx/clock_am43xx.c
index b6396942bb..35c431eb29 100644
--- a/arch/arm/cpu/armv7/am33xx/clock_am43xx.c
+++ b/arch/arm/cpu/armv7/am33xx/clock_am43xx.c
@@ -135,3 +135,39 @@ void enable_basic_clocks(void)
/* For OPP100 the mac clock should be /5. */
writel(0x4, &cmdpll->clkselmacclk);
}
+
+#ifdef CONFIG_TI_EDMA3
+void enable_edma3_clocks(void)
+{
+ u32 *const clk_domains_edma3[] = {
+ 0
+ };
+
+ u32 *const clk_modules_explicit_en_edma3[] = {
+ &cmper->tpccclkctrl,
+ &cmper->tptc0clkctrl,
+ 0
+ };
+
+ do_enable_clocks(clk_domains_edma3,
+ clk_modules_explicit_en_edma3,
+ 1);
+}
+
+void disable_edma3_clocks(void)
+{
+ u32 *const clk_domains_edma3[] = {
+ 0
+ };
+
+ u32 *const clk_modules_disable_edma3[] = {
+ &cmper->tpccclkctrl,
+ &cmper->tptc0clkctrl,
+ 0
+ };
+
+ do_disable_clocks(clk_domains_edma3,
+ clk_modules_disable_edma3,
+ 1);
+}
+#endif
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