Thread (12 messages) 12 messages, 4 authors, 2015-08-05

[PATCH v5 2/2] ARM: dts: add property for maximum ADC clock frequencies

From: shawnguo@kernel.org (Shawn Guo)
Date: 2015-08-05 13:51:38
Also in: linux-devicetree, linux-iio, lkml

On Mon, Aug 03, 2015 at 02:22:30PM +0200, Stefan Agner wrote:
Hi Shawn,

I guess this will go through your tree? Haven't seen it appear on imx/dt
so far...
Sorry.  I missed it.  Please use my kernel.org mailbox, which I'm using
for kernel maintenance now.

Applied, thanks.

Shawn
--
Stefan

On 2015-06-07 18:56, Jonathan Cameron wrote:
quoted
On 27/05/15 13:47, Stefan Agner wrote:
quoted
The ADC clock frequency is limited depending on modes used. Add
device tree property which allow to set the mode used and the
maximum frequency ratings for the instance. These allows to
set the ADC clock to a frequency which is within specification
according to the actual mode used.

Acked-by: Fugang Duan <redacted>
Signed-off-by: Stefan Agner <stefan@agner.ch>
I'm happy to take this via IIO if people want me to, otherwise give
it's connection to the previous patch that I just applied,

Acked-by: Jonathan Cameron <jic23@kernel.org>
quoted
---
 arch/arm/boot/dts/vfxxx.dtsi | 4 ++++
 1 file changed, 4 insertions(+)
diff --git a/arch/arm/boot/dts/vfxxx.dtsi b/arch/arm/boot/dts/vfxxx.dtsi
index a29c7ce..c6609bd 100644
--- a/arch/arm/boot/dts/vfxxx.dtsi
+++ b/arch/arm/boot/dts/vfxxx.dtsi
@@ -189,6 +189,8 @@
 				clocks = <&clks VF610_CLK_ADC0>;
 				clock-names = "adc";
 				status = "disabled";
+				fsl,adck-max-frequency = <30000000>, <40000000>,
+							<20000000>;
 			};

 			wdoga5: wdog at 4003e000 {
@@ -387,6 +389,8 @@
 				clocks = <&clks VF610_CLK_ADC1>;
 				clock-names = "adc";
 				status = "disabled";
+				fsl,adck-max-frequency = <30000000>, <40000000>,
+							<20000000>;
 			};

 			esdhc1: esdhc at 400b2000 {

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