broken_sg_support, sd_head_align, and sd_sgentry_align are used in
brcmfmac code but not configurable in dts file. Add the parsing logic.
Now they can be configured like below in dts:
brcm,broken_sg_support;
brcm,sd_head_align = <4>;
brcm,sd_sgentry_align = <4>;
Signed-off-by: Chi-hsien Lin <chi-hsien.lin@xxxxxxxxxxx>
---
.../devicetree/bindings/net/wireless/brcm,bcm43xx-fmac.txt | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/Documentation/devicetree/bindings/net/wireless/brcm,bcm43xx-fmac.txt b/Documentation/devicetree/bindings/net/wireless/brcm,bcm43xx-fmac.txt
index 86602f2..4d42f0d 100644
--- a/Documentation/devicetree/bindings/net/wireless/brcm,bcm43xx-fmac.txt
+++ b/Documentation/devicetree/bindings/net/wireless/brcm,bcm43xx-fmac.txt
@@ -17,6 +17,11 @@ Optional properties:
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".
+ - broken_sg_support : flag for broken sg list support of SDIO host controller.
+ Set this to true if the SDIO host controller has higher align
+ requirement than 32 bytes for each scatterlist item.
+ - sg_head_align : alignment requirement for start of data buffer.
+ - sg_sgentry_align : length alignment requirement for each sg entry.
Example:
@@ -36,5 +41,8 @@ mmc3: mmc@1c12000 {
interrupt-parent = <&pio>;
interrupts = <10 8>; /* PH10 / EINT10 */
interrupt-names = "host-wake";
+ brcm,broken_sg_support;
+ brcm,sd_head_align = <4>;
+ brcm,sd_sgentry_align = <4>;
};
};
--
2.1.0
