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authorPhilipp Zabel <p.zabel@pengutronix.de>2015-11-30 22:07:53 +0100
committerPhilipp Zabel <p.zabel@pengutronix.de>2016-05-06 17:47:40 +0200
commit4585945bf1d348d006f7270beea3dae09fee3413 (patch)
treeb41934ae0bb5a4f9c615f86808abdb5cc2365b01 /drivers/clk
parent06445994fece2ae458419fbadc1b2107336615d6 (diff)
downloadlinux-4585945bf1d348d006f7270beea3dae09fee3413.tar.bz2
clk: mediatek: Add hdmi_ref HDMI PHY PLL reference clock output
The configurable hdmi_ref output of the PLL block is derived from the tvdpll_594m clock signal via a configurable PLL post-divider. It is used as the PLL reference input to the HDMI PHY module. Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de> Acked-by: James Liao <jamesjj.liao@mediatek.com> Acked-by: Stephen Boyd <sboyd@codeaurora.org>
Diffstat (limited to 'drivers/clk')
-rw-r--r--drivers/clk/mediatek/clk-mt8173.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/clk/mediatek/clk-mt8173.c b/drivers/clk/mediatek/clk-mt8173.c
index 85c0bfc626ae..cf4fcb61ed28 100644
--- a/drivers/clk/mediatek/clk-mt8173.c
+++ b/drivers/clk/mediatek/clk-mt8173.c
@@ -1095,6 +1095,11 @@ static void __init mtk_apmixedsys_init(struct device_node *node)
clk_data->clks[cku->id] = clk;
}
+ clk = clk_register_divider(NULL, "hdmi_ref", "tvdpll_594m", 0,
+ base + 0x40, 16, 3, CLK_DIVIDER_POWER_OF_TWO,
+ NULL);
+ clk_data->clks[CLK_APMIXED_HDMI_REF] = clk;
+
r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
if (r)
pr_err("%s(): could not register clock provider: %d\n",