Re: [PATCH v2 1/4] dt: bindings: add bindings for Broadcom bcm43xx sdio devices
From: Florian Fainelli <hidden>
Date: 2014-06-16 20:53:56
Also in:
linux-arm-kernel, linux-wireless
2014-06-16 10:56 GMT-07:00 Hans de Goede [off-list ref]:
quoted hunk
From: Arend van Spriel <arend-dY08KVG/lbpWk0Htik3J/w@public.gmane.org> The Broadcom bcm43xx sdio devices are fullmac devices that may be integrated in ARM platforms. Currently, the brcmfmac driver for these devices support use of platform data. This patch specifies the bindings that allow this platform data to be expressed in the devicetree. Reviewed-by: Hante Meuleman <meuleman-dY08KVG/lbpWk0Htik3J/w@public.gmane.org> Reviewed-by: Franky (Zhenhui) Lin <frankyl-dY08KVG/lbpWk0Htik3J/w@public.gmane.org> Reviewed-by: Daniel (Deognyoun) Kim <dekim-dY08KVG/lbpWk0Htik3J/w@public.gmane.org> Reviewed-by: Pieter-Paul Giesberts <pieterpg-dY08KVG/lbpWk0Htik3J/w@public.gmane.org> Signed-off-by: Arend van Spriel <arend-dY08KVG/lbpWk0Htik3J/w@public.gmane.org> [hdegoede-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org: drop clk / reg_on gpio handling, as there is no consensus on how to handle this yet] [hdegoede-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org: move from bindings/staging to bindings] Signed-off-by: Hans de Goede <redacted> --- .../bindings/net/wireless/brcm,bcm43xx-fmac.txt | 29 ++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 Documentation/devicetree/bindings/net/wireless/brcm,bcm43xx-fmac.txtdiff --git a/Documentation/devicetree/bindings/net/wireless/brcm,bcm43xx-fmac.txt b/Documentation/devicetree/bindings/net/wireless/brcm,bcm43xx-fmac.txt new file mode 100644 index 0000000..6a0aaf2 --- /dev/null +++ b/Documentation/devicetree/bindings/net/wireless/brcm,bcm43xx-fmac.txt@@ -0,0 +1,29 @@ +Broadcom BCM43xx Fullmac wireless SDIO devices + +This node provides properties for controlling the Broadcom wireless device. The +node is expected to be specified as a child node to the SDIO controller that +connects the device to the system. + +Required properties: + + - compatible : Should be "brcm,bcm43xx-fmac".
In general, the use of a wildcard compatible string is discouraged over the use of a more descriptive compatible string. So you should find out what is the first chip that is compatible, and use that compatible string as long as that compatibility remains.
+ +Optional properties: + - brcm,drive-strength : drive strength used for SDIO pins on device. + (default = 6mA).
It would not hurt if you did specify the unit of the "brcm,drive-strength" property here. Also, if the default is 6, maybe the example below should be fixed to reflect that so people do not think that writing 4 to a register = 6 mA.
+ - interrupt-parent : the phandle for the interrupt controller to which the
+ device interrupts are connected.
+ - interrupts : specifies attributes for the out-of-band interrupt (host-wake).
+ When not specified the device will use in-band SDIO interrupts.
+ - interrupt-names : name of the out-of-band interrupt, which must be set
+ to "host-wake".
+
+Example:
+
+bcm4335 {
+ compatible = "brcm,bcm43xx-fmac";
+ brcm,drive-strength = <4>;
+ interrupt-parent = <&gpx2>;
+ interrupts = <5 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "host-wake";
+};
--
2.0.0
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