Re: [PATCH RFC v2 05/14] ARM: imx6q: clk: Add the video_27m clock

From: Liu Ying
Date: Thu Dec 18 2014 - 21:19:30 EST


Hi Philipp,

On 12/18/2014 06:31 PM, Philipp Zabel wrote:
Am Donnerstag, den 18.12.2014, 15:11 +0800 schrieb Liu Ying:
This patch supports the video_27m clock which is a fixed factor
clock of the pll3_pfd1_540m clock.

Signed-off-by: Liu Ying <Ying.Liu@xxxxxxxxxxxxx>
---
v1->v2:
* None.

arch/arm/mach-imx/clk-imx6q.c | 1 +
include/dt-bindings/clock/imx6qdl-clock.h | 3 ++-
2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/arm/mach-imx/clk-imx6q.c b/arch/arm/mach-imx/clk-imx6q.c
index 4e79da7..9470df3 100644
--- a/arch/arm/mach-imx/clk-imx6q.c
+++ b/arch/arm/mach-imx/clk-imx6q.c
@@ -246,6 +246,7 @@ static void __init imx6q_clocks_init(struct device_node *ccm_node)
clk[IMX6QDL_CLK_PLL3_60M] = imx_clk_fixed_factor("pll3_60m", "pll3_usb_otg", 1, 8);
clk[IMX6QDL_CLK_TWD] = imx_clk_fixed_factor("twd", "arm", 1, 2);
clk[IMX6QDL_CLK_GPT_3M] = imx_clk_fixed_factor("gpt_3m", "osc", 1, 8);
+ clk[IMX6QDL_CLK_VIDEO_27M] = imx_clk_fixed_factor("video_27m", "pll3_pfd1_540m", 1, 20);

The HDMI TX isfr clock input is sourced from video_27m, too, according
to Table 33-1 "HDMI clocks".
I think the parent of clk[IMX6QDL_CLK_HDMI_ISFR] should be changed from
"pll3_pfd1_540m" to "video_27m", then.

I'll add a new patch in the next version to change the hdmi_isfr
clock's parent.

Thanks,
Liu Ying


regards
Philipp

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