| Message ID | E1oXg7n-0064vB-3Y@rmk-PC.armlinux.org.uk (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Add support for bcm4378 on Apple platforms | expand |
On Mon, Sep 12, 2022 at 10:53:07AM +0100, Russell King wrote: > From: Hector Martin <marcan@marcan.st> > > On Apple ARM64 platforms, firmware selection requires two properties > that come from system firmware: the module-instance (aka "island", a > codename representing a given hardware platform) and the antenna-sku. > We map Apple's module codenames to board_types in the form > "apple,<module-instance>". > > The mapped board_type is added to the DTS file in that form, while the > antenna-sku is forwarded by our bootloader from the Apple Device Tree > into the FDT. Grab them from the DT so firmware selection can use > them. > > Reviewed-by: Linus Walleij <linus.walleij@linaro.org> > Signed-off-by: Hector Martin <marcan@marcan.st> > Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk> > --- Reviewed-by: Alvin Šipraga <alsi@bang-olufsen.dk>
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.h index 6c5a22a32a96..aa25abffcc7d 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.h +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.h @@ -53,6 +53,7 @@ struct brcmf_mp_device { struct brcmfmac_pd_cc *country_codes; const char *board_type; unsigned char mac[ETH_ALEN]; + const char *antenna_sku; union { struct brcmfmac_sdio_pd sdio; } bus; diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/of.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/of.c index 79388d49c256..a83699de01ec 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/of.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/of.c @@ -70,14 +70,24 @@ void brcmf_of_probe(struct device *dev, enum brcmf_bus_type bus_type, { struct brcmfmac_sdio_pd *sdio = &settings->bus.sdio; struct device_node *root, *np = dev->of_node; + const char *prop; int irq; int err; u32 irqf; u32 val; + /* Apple ARM64 platforms have their own idea of board type, passed in + * via the device tree. They also have an antenna SKU parameter + */ + if (!of_property_read_string(np, "brcm,board-type", &prop)) + settings->board_type = prop; + + if (!of_property_read_string(np, "apple,antenna-sku", &prop)) + settings->antenna_sku = prop; + /* Set board-type to the first string of the machine compatible prop */ root = of_find_node_by_path("/"); - if (root) { + if (root && !settings->board_type) { char *board_type; const char *tmp;