Re: [PATCH v6 1/2] ARM: dts: twl: Add GPADC data to device tree

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Hello.

On 07/19/2013 07:40 PM, Grygorii Strashko wrote:

GPADC is the general purpose ADC present on twl6030.
The dt data is interrupt used to trigger end of ADC
conversion.

Signed-off-by: Oleksandr Kozaruk <oleksandr.kozaruk@xxxxxx>
---
  arch/arm/boot/dts/twl6030.dtsi | 6 ++++++
  1 file changed, 6 insertions(+)

diff --git a/arch/arm/boot/dts/twl6030.dtsi
b/arch/arm/boot/dts/twl6030.dtsi
index 2e3bd31..d7d4c28 100644
--- a/arch/arm/boot/dts/twl6030.dtsi
+++ b/arch/arm/boot/dts/twl6030.dtsi
@@ -103,4 +103,10 @@
          compatible = "ti,twl6030-pwmled";
          #pwm-cells = <2>;
      };
+
+    adc: gpadc {

    Read my lips: the node should be called just "adc", not "gpadc".
       ^^^^^^^^^^^^ Are you sure?

I didn't know how to express my disappointment from Oleksandr's inability to understand what I wanted to convey to him from 2 attempts... first, he changed the label instead of the node name, then he only dropped "twl6030_" prefix from the name. I should probably have been even more specific before.

Why? The name was selected according to the documentation on device "General
purpose analog-to-digital converter (GPADC)".

   Sigh, we simply don't care whether this ADC is general-purpose or not.
The main thing it is ADC.

PS. Following your logic - "GPIO" need to renamed to "IO" everywhere ;P

   GPIO is well known and established abbreviation, contrasted to GPADC.
Moreover, ePAPR spec lists "gpio" as a generic node name.

WBR, Sergei

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