aboutsummaryrefslogtreecommitdiff
path: root/drivers/clk/imx/clk-vf610.c
diff options
context:
space:
mode:
authorStefan Agner <stefan@agner.ch>2016-03-09 18:16:48 -0800
committerShawn Guo <shawnguo@kernel.org>2016-03-31 17:01:58 +0800
commit0da15d36a90f405541773e884b3264e0f94debd3 (patch)
tree98503df06ed250f4277bb4bf3437fe37829125dc /drivers/clk/imx/clk-vf610.c
parent456829228f96702ca281b65e11d11e8c09ca9da0 (diff)
downloadlinux-0da15d36a90f405541773e884b3264e0f94debd3.tar.gz
clk: imx: vf610: leave DDR clock on
To use STOP mode without putting DDR3 into self-refresh mode, we need to keep the DDR clock enabled. Use the new gate configuration with a value of 2 to make sure that the clock is enabled in RUN, WAIT and STOP mode. Signed-off-by: Stefan Agner <stefan@agner.ch> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Diffstat (limited to 'drivers/clk/imx/clk-vf610.c')
-rw-r--r--drivers/clk/imx/clk-vf610.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/clk/imx/clk-vf610.c b/drivers/clk/imx/clk-vf610.c
index 0a94d9661d91..f0ff45811e76 100644
--- a/drivers/clk/imx/clk-vf610.c
+++ b/drivers/clk/imx/clk-vf610.c
@@ -119,6 +119,7 @@ static unsigned int const clks_init_on[] __initconst = {
VF610_CLK_SYS_BUS,
VF610_CLK_DDR_SEL,
VF610_CLK_DAP,
+ VF610_CLK_DDRMC,
};
static struct clk * __init vf610_get_fixed_clock(
@@ -233,6 +234,8 @@ static void __init vf610_clocks_init(struct device_node *ccm_node)
clk[VF610_CLK_PLL4_MAIN_DIV] = clk_register_divider_table(NULL, "pll4_audio_div", "pll4_audio", 0, CCM_CACRR, 6, 3, 0, pll4_audio_div_table, &imx_ccm_lock);
clk[VF610_CLK_PLL6_MAIN_DIV] = imx_clk_divider("pll6_video_div", "pll6_video", CCM_CACRR, 21, 1);
+ clk[VF610_CLK_DDRMC] = imx_clk_gate2_cgr("ddrmc", "ddr_sel", CCM_CCGR6, CCM_CCGRx_CGn(14), 0x2);
+
clk[VF610_CLK_USBPHY0] = imx_clk_gate("usbphy0", "pll3_usb_otg", PLL3_CTRL, 6);
clk[VF610_CLK_USBPHY1] = imx_clk_gate("usbphy1", "pll7_usb_host", PLL7_CTRL, 6);