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authorJernej Skrabec <jernej.skrabec@siol.net>2018-06-25 14:02:42 +0200
committerMaxime Ripard <maxime.ripard@bootlin.com>2018-06-27 19:06:41 +0200
commitfb4aa0f64380d94bf10b5da63a6760962d824dbc (patch)
tree29eb42a1b9f31a96c5204c690cab70a46ed3290c /drivers/clk/sunxi-ng
parentclk: sunxi-ng: r40: Add minimal rate for video PLLs (diff)
downloadlinux-fb4aa0f64380d94bf10b5da63a6760962d824dbc.tar.xz
linux-fb4aa0f64380d94bf10b5da63a6760962d824dbc.zip
clk: sunxi-ng: r40: Allow setting parent rate to display related clocks
Display related peripherals need precise clocks to operate correctly. Allow DE2, TCONs and HDMI to set parent clock. Reviewed-by: Chen-Yu Tsai <wens@csie.org> Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net> Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Diffstat (limited to 'drivers/clk/sunxi-ng')
-rw-r--r--drivers/clk/sunxi-ng/ccu-sun8i-r40.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/clk/sunxi-ng/ccu-sun8i-r40.c b/drivers/clk/sunxi-ng/ccu-sun8i-r40.c
index d52af1785644..0f388f6944d5 100644
--- a/drivers/clk/sunxi-ng/ccu-sun8i-r40.c
+++ b/drivers/clk/sunxi-ng/ccu-sun8i-r40.c
@@ -656,7 +656,8 @@ static SUNXI_CCU_GATE(dram_deinterlace_clk, "dram-deinterlace", "dram",
static const char * const de_parents[] = { "pll-periph0-2x", "pll-de" };
static SUNXI_CCU_M_WITH_MUX_GATE(de_clk, "de", de_parents,
- 0x104, 0, 4, 24, 3, BIT(31), 0);
+ 0x104, 0, 4, 24, 3, BIT(31),
+ CLK_SET_RATE_PARENT);
static SUNXI_CCU_M_WITH_MUX_GATE(mp_clk, "mp", de_parents,
0x108, 0, 4, 24, 3, BIT(31), 0);
@@ -668,9 +669,11 @@ static SUNXI_CCU_MUX_WITH_GATE(tcon_lcd0_clk, "tcon-lcd0", tcon_parents,
static SUNXI_CCU_MUX_WITH_GATE(tcon_lcd1_clk, "tcon-lcd1", tcon_parents,
0x114, 24, 3, BIT(31), CLK_SET_RATE_PARENT);
static SUNXI_CCU_M_WITH_MUX_GATE(tcon_tv0_clk, "tcon-tv0", tcon_parents,
- 0x118, 0, 4, 24, 3, BIT(31), 0);
+ 0x118, 0, 4, 24, 3, BIT(31),
+ CLK_SET_RATE_PARENT);
static SUNXI_CCU_M_WITH_MUX_GATE(tcon_tv1_clk, "tcon-tv1", tcon_parents,
- 0x11c, 0, 4, 24, 3, BIT(31), 0);
+ 0x11c, 0, 4, 24, 3, BIT(31),
+ CLK_SET_RATE_PARENT);
static const char * const deinterlace_parents[] = { "pll-periph0",
"pll-periph1" };
@@ -700,7 +703,8 @@ static SUNXI_CCU_GATE(avs_clk, "avs", "osc24M",
static const char * const hdmi_parents[] = { "pll-video0", "pll-video1" };
static SUNXI_CCU_M_WITH_MUX_GATE(hdmi_clk, "hdmi", hdmi_parents,
- 0x150, 0, 4, 24, 2, BIT(31), 0);
+ 0x150, 0, 4, 24, 2, BIT(31),
+ CLK_SET_RATE_PARENT);
static SUNXI_CCU_GATE(hdmi_slow_clk, "hdmi-slow", "osc24M",
0x154, BIT(31), 0);