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Commit 18600d4f authored by Sameer Thalappil's avatar Sameer Thalappil
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cnss: Add support to export UART availability 



Indicate WLAN driver that QCA6174 can use the UART to communicate
with LPASS.

Change-Id: Idc3858bc84345bb027efa7d4c6a7e119fc4f4ad2
CRs-Fixed: 655468
Signed-off-by: default avatarSameer Thalappil <sameert@codeaurora.org>
parent a08ee70c

Documentation/devicetree/bindings/cnss/cnss-wlan.txt

+2 −0
Original line number Diff line number Diff line
@@ -21,6 +21,8 @@ Optional properties: 
  - qcom,notify-modem-status: Boolean property to decide whether modem

    notification should be enabled or not in this platform

  - wlan-soc-swreg-supply: phandle to the external 1.15V regulator for QCA6174

  - qcom,wlan-uart-access: Boolean property to decide whether QCA6174

    has exclusive access to UART.



Example:

drivers/net/wireless/cnss/cnss.c

+4 −0
Original line number Diff line number Diff line
@@ -291,6 +291,10 @@ static int cnss_wlan_get_resources(struct platform_device *pdev) 
		goto err_reg_enable;

	}



	if (of_find_property((&pdev->dev)->of_node,

				"qcom,wlan-uart-access", NULL))

		penv->cap.cap_flag |= CNSS_HAS_UART_ACCESS;



	if (of_get_property(pdev->dev.of_node,

		    WLAN_SWREG_NAME"-supply", NULL)) {

include/net/cnss.h

+1 −0
Original line number Diff line number Diff line
@@ -56,6 +56,7 @@ struct cnss_wlan_driver { 
/* platform capabilities */

enum cnss_platform_cap_flag {

	CNSS_HAS_EXTERNAL_SWREG = 0x01,

	CNSS_HAS_UART_ACCESS = 0x02,

};



struct cnss_platform_cap {