Adds a 27MHz clock that is a fixed /20 from the pll3_pfd1_540m clock.
The MIPI CSI2 receiver depends on this clock for its D-PHY operation.
Based on ENGR00275483-1 from Freescale.
Signed-off-by: Liu Ying <Ying.Liu@xxxxxxxxxxxxx>
Signed-off-by: Steve Longerbeam <steve_longerbeam@xxxxxxxxxx>
---
.../devicetree/bindings/clock/imx6q-clock.txt | 1 +
arch/arm/mach-imx/clk-imx6q.c | 3 ++-
2 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/clock/imx6q-clock.txt b/Documentation/devicetree/bindings/clock/imx6q-clock.txt
index 6aab72b..32dc74f 100644
--- a/Documentation/devicetree/bindings/clock/imx6q-clock.txt
+++ b/Documentation/devicetree/bindings/clock/imx6q-clock.txt
@@ -220,6 +220,7 @@ clocks and IDs.
lvds2_sel 205
lvds1_gate 206
lvds2_gate 207
+ video_27m 208
Examples:
diff --git a/arch/arm/mach-imx/clk-imx6q.c b/arch/arm/mach-imx/clk-imx6q.c
index 2b4d6ac..ca87984 100644
--- a/arch/arm/mach-imx/clk-imx6q.c
+++ b/arch/arm/mach-imx/clk-imx6q.c
@@ -107,7 +107,7 @@ enum mx6q_clks {
sata_ref, sata_ref_100m, pcie_ref, pcie_ref_125m, enet_ref, usbphy1_gate,
usbphy2_gate, pll4_post_div, pll5_post_div, pll5_video_div, eim_slow,
spdif, cko2_sel, cko2_podf, cko2, cko, vdoa, pll4_audio_div,
- lvds1_sel, lvds2_sel, lvds1_gate, lvds2_gate, clk_max
+ lvds1_sel, lvds2_sel, lvds1_gate, lvds2_gate, video_27m, clk_max
};
static struct clk *clk[clk_max];
@@ -226,6 +226,7 @@ static void __init imx6q_clocks_init(struct device_node *ccm_node)
clk[pll3_80m] = imx_clk_fixed_factor("pll3_80m", "pll3_usb_otg", 1, 6);
clk[pll3_60m] = imx_clk_fixed_factor("pll3_60m", "pll3_usb_otg", 1, 8);
clk[twd] = imx_clk_fixed_factor("twd", "arm", 1, 2);
+ clk[video_27m] = imx_clk_fixed_factor("video_27m", "pll3_pfd1_540m", 1, 20);
clk[pll4_post_div] = clk_register_divider_table(NULL, "pll4_post_div", "pll4_audio", CLK_SET_RATE_PARENT, base + 0x70, 19, 2, 0, post_div_table, &imx_ccm_lock);
clk[pll4_audio_div] = clk_register_divider(NULL, "pll4_audio_div", "pll4_post_div", CLK_SET_RATE_PARENT, base + 0x170, 15, 1, 0, &imx_ccm_lock);
--
1.7.9.5
--
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