Re: [PATCHv2 3/4] dt: bindings: add new dt entry for BTCOEX feature in qcom,ath10k.txt

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Thanks for the comments.

On 2016-11-18 20:14, Rob Herring wrote:
On Thu, Nov 17, 2016 at 05:14:23PM +0530, c_traja@xxxxxxxxxxxxxxxx wrote:
From: Tamizh chelvam <tamizhchelvam@xxxxxxxxxxxxxx>

There two things done in this patch.

1) 'btcoex_support' flag for BTCOEX feature support by the hardware.
2) 'wlan_btcoex_gpio' is used to fill wlan priority pin number for
   BTCOEX priority feature support.

Signed-off-by: Tamizh chelvam <tamizhchelvam@xxxxxxxxxxxxxx>
---
 .../bindings/net/wireless/qcom,ath10k.txt          |    4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt b/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt
index 74d7f0a..08150e2d 100644
--- a/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt
+++ b/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt
@@ -46,6 +46,10 @@ Optional properties:
 				 hw versions.
- qcom,ath10k-pre-calibration-data : pre calibration data as an array,
 				     the length can vary between hw versions.
+- btcoex_support : should contain eithr "0" or "1" to indicate btcoex
+		    support by the hardware.

This is BT coexistence? Make this boolean and n

Yes, this is BT coexistence. And I didn't get what are you trying to say in this "Make this boolean and n"

+- btcoex_gpio_pin :  btcoex gpio pin number for the device which
+		     supports BTCOEX.

This is a pin number on the chip, not any pin number Linux GPIO subsys
cares about, right? Is there a connection to the host too, or this is
internal between BT and WiFi?

This is internal between BT and wifi.

Do you really need 2 properties? Does supporting this feature require
the GPIO? If so, then the first property is redundant.

Target/driver can hard copy this gpio pin for some chipsets and there we will need btcoex_support flag to find the btcoex support.

Needs vendor prefix and don't use '_'. Should be something like
'qcom,bt-coexist-gpio-pin'.

Sure I'll update this and send in v3 patch

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