On 06/19/2014 03:45 PM, Kishon Vijay Abraham I wrote:
Hi Tero,
On Thursday 19 June 2014 04:40 PM, Tero Kristo wrote:
On 05/29/2014 09:38 AM, Kishon Vijay Abraham I wrote:
From: Keerthy <j-keerthy@xxxxxx>
Add divider table to optfclk_pciephy_div clock. The Documentation
for divider clock can be found at ../clock/ti/divider.txt
This patch requires a better changelog. Why is the change done, any TRM refs etc.?
The 8th bit of CM_CLKMODE_APLL_PCIE can be programmed to either 0x0 or 0x1
based on if the divider value is 0x2 or 0x1.
Figure 26-21. PCIe PHY Clock Generator Overview in vE of DRA7xx ES1.0 shows the
block diagram of Clock Generator Subsystem of PCIe PHY module. We have to do a
bypass (divided by 1) in order to get the correct PCIE_PHY_DIV_GCLK
Yes, something like this on the changelog would be good.
-Tero
frequency.
Thanks
Kishon
-Tero
Cc: Rajendra Nayak <rnayak@xxxxxx>
Cc: Tero Kristo <t-kristo@xxxxxx>
Cc: Paul Walmsley <paul@xxxxxxxxx>
Signed-off-by: Keerthy <j-keerthy@xxxxxx>
Signed-off-by: Kishon Vijay Abraham I <kishon@xxxxxx>
---
arch/arm/boot/dts/dra7xx-clocks.dtsi | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/arm/boot/dts/dra7xx-clocks.dtsi
b/arch/arm/boot/dts/dra7xx-clocks.dtsi
index c767687..55e95c5 100644
--- a/arch/arm/boot/dts/dra7xx-clocks.dtsi
+++ b/arch/arm/boot/dts/dra7xx-clocks.dtsi
@@ -1170,6 +1170,7 @@
clocks = <&apll_pcie_ck>;
#clock-cells = <0>;
reg = <0x021c>;
+ ti,dividers = <2>, <1>;
ti,bit-shift = <8>;
ti,max-div = <2>;
};
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