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clk/exynos5420: add hdmi mux to change parents in hdmi driver

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hdmi driver needs to change the parent of hdmi clock
to pixel clock or hdmiphy clock, based on the stability
of hdmiphy. This patch is exposing the mux for changing
the parent.

Signed-off-by: Rahul Sharma <rahul.sharma@samsung.com>
Acked-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
This commit is contained in:
Rahul Sharma 2013-08-29 11:07:08 +05:30 committed by Mike Turquette
parent 14d87cda8d
commit 4625f1b5d4
2 changed files with 9 additions and 1 deletions
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5
Documentation/devicetree/bindings/clock/exynos5420-clock.txt
View file

@ -182,6 +182,11 @@ clock which they consume.
g3d 501
smmu_mixer 502
Mux ID
----------------------------
mout_hdmi 640
Example 1: An example of a clock controller node is listed below.
clock: clock-controller@0x10010000 {

5
drivers/clk/samsung/clk-exynos5420.c
View file

@ -140,6 +140,9 @@ enum exynos5420_clks {
aclk333_g2d = 480, g2d, aclk333_432_gscl = 490, smmu_3aa, smmu_fimcl0,
smmu_fimcl1, smmu_fimcl3, fimc_lite3, aclk_g3d = 500, g3d, smmu_mixer,
/* mux clocks */
mout_hdmi = 640,
nr_clks,
};
@ -400,7 +403,7 @@ static struct samsung_mux_clock exynos5420_mux_clks[] __initdata = {
MUX(none, "mout_mipi1", group2_p, SRC_DISP10, 16, 3),
MUX(none, "mout_dp1", group2_p, SRC_DISP10, 20, 3),
MUX(none, "mout_pixel", group2_p, SRC_DISP10, 24, 3),
MUX(none, "mout_hdmi", hdmi_p, SRC_DISP10, 28, 1),
MUX(mout_hdmi, "mout_hdmi", hdmi_p, SRC_DISP10, 28, 1),
/* MAU Block */
MUX(none, "mout_maudio0", maudio0_p, SRC_MAU, 28, 3),