On Mon, 15 Mar 2021 at 12:00, Linus Walleij <linus.walleij@xxxxxxxxxx> wrote: > > This converts the BCM4329 family bindings to YAML schema, and > extends and fixes the bindings like this: > > - Name the bindings after the first chip (BCM4329) since > wildcards like 43xx are nowadays frowned upon by the DT > binding reviewers. We call this the "BCM4329 family" > - Add compatible strings for all the variants that seem to > exist in the wild. (Derived from firmware listings.) > - Support specific-to-generic compatible strings (as already > in use in DTS files). > - Add required reg property (SDIO function number) > - Add reset-gpios property (some systems wire this to a GPIO > line). > - I have only listed Arend as maintainer for now, volunteers > can be added. > > Cc: Arend van Spriel <aspriel@xxxxxxxxx> > Cc: Franky Lin <franky.lin@xxxxxxxxxxxx> > Cc: Hante Meuleman <hante.meuleman@xxxxxxxxxxxx> > Cc: Chi-hsien Lin <chi-hsien.lin@xxxxxxxxxxxx> > Cc: Wright Feng <wright.feng@xxxxxxxxxxxx> > Cc: Chung-hsien Hsu <chung-hsien.hsu@xxxxxxxxxxxx> > Cc: Julian Calaby <julian.calaby@xxxxxxxxx> > Cc: brcm80211-dev-list.pdl@xxxxxxxxxxxx > Cc: SHA-cyfmac-dev-list@xxxxxxxxxxxx > Cc: linux-mmc@xxxxxxxxxxxxxxx > Cc: devicetree@xxxxxxxxxxxxxxx > Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx> Reviewed-by: Ulf Hansson <ulf.hansson@xxxxxxxxxx> Kind regards Uffe > --- > ChangeLog v1->v2: > - Specify specific-to-generic compatible strings such as > "brcm,bcm4334-fmac", "brcm,bcm4329-fmac" > - Also allow just "brcm,bcm4329-fmac" for legacy platforms. > - Use this scheme in the example. > --- > .../net/wireless/brcm,bcm4329-fmac.yaml | 101 ++++++++++++++++++ > .../net/wireless/brcm,bcm43xx-fmac.txt | 38 ------- > 2 files changed, 101 insertions(+), 38 deletions(-) > create mode 100644 Documentation/devicetree/bindings/net/wireless/brcm,bcm4329-fmac.yaml > delete mode 100644 Documentation/devicetree/bindings/net/wireless/brcm,bcm43xx-fmac.txt > > diff --git a/Documentation/devicetree/bindings/net/wireless/brcm,bcm4329-fmac.yaml b/Documentation/devicetree/bindings/net/wireless/brcm,bcm4329-fmac.yaml > new file mode 100644 > index 000000000000..b5fcc73ce6be > --- /dev/null > +++ b/Documentation/devicetree/bindings/net/wireless/brcm,bcm4329-fmac.yaml > @@ -0,0 +1,101 @@ > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/net/wireless/brcm,bcm4329-fmac.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Broadcom BCM4329 family fullmac wireless SDIO devices > + > +maintainers: > + - Arend van Spriel <arend@xxxxxxxxxxxx> > + > +description: > + The Broadcom Single chip MAC part for the BCM4329 family and > + later Cypress chips in the same family named CYW4373 and similar. > + These chips also have a Bluetooth portion described in a separate > + binding. > + > +properties: > + compatible: > + oneOf: > + - items: > + - enum: > + - brcm,bcm43143-fmac > + - brcm,bcm4341b0-fmac > + - brcm,bcm4341b4-fmac > + - brcm,bcm4341b5-fmac > + - brcm,bcm4329-fmac > + - brcm,bcm4330-fmac > + - brcm,bcm4334-fmac > + - brcm,bcm43340-fmac > + - brcm,bcm4335-fmac > + - brcm,bcm43362-fmac > + - brcm,bcm4339-fmac > + - brcm,bcm43430a0-fmac > + - brcm,bcm43430a1-fmac > + - brcm,bcm43455-fmac > + - brcm,bcm43456-fmac > + - brcm,bcm4354-fmac > + - brcm,bcm4356-fmac > + - brcm,bcm4359-fmac > + - cypress,cyw4373-fmac > + - cypress,cyw43012-fmac > + - const: brcm,bcm4329-fmac > + - const: brcm,bcm4329-fmac > + > + reg: > + description: SDIO function number for the device, for most cases > + this will be 1. > + > + interrupts: > + maxItems: 1 > + description: Out-of-band (OOB) IRQ line for waking up the host > + in response to WLAN activity. This corresponds to the HOST_WAKE > + line into the chip. > + > + interrupt-names: > + description: Name for the OOB IRQ, this must be set to "host-wake". > + const: host-wake > + > + brcm,drive-strength: > + $ref: /schemas/types.yaml#/definitions/uint32 > + description: Drive strength used for the SDIO pins on the device in mA. > + minimum: 0 > + maximum: 32 > + > + reset-gpios: > + maxItems: 1 > + description: A GPIO line connected to the WL_RST line, if present > + this shall be flagged as active low. > + > +required: > + - compatible > + - reg > + > +additionalProperties: false > + > +examples: > + - | > + #include <dt-bindings/interrupt-controller/irq.h> > + #include <dt-bindings/gpio/gpio.h> > + mmc@80118000 { > + compatible = "arm,pl18x", "arm,primecell"; > + reg = <0x80118000 0x1000>; > + clocks = <&clk 0>, <&clk 1>; > + clock-names = "mclk", "apb_pclk"; > + interrupts = <0 60 IRQ_TYPE_LEVEL_HIGH>; > + bus-width = <4>; > + non-removable; > + vmmc-supply = <&wl_bt_reg>; > + #address-cells = <1>; > + #size-cells = <0>; > + > + wifi@1 { > + compatible = "brcm,bcm4334-fmac", "brcm,bcm4329-fmac"; > + reg = <1>; > + interrupt-parent = <&gpio>; > + interrupts = <24 IRQ_TYPE_EDGE_FALLING>; > + interrupt-names = "host-wake"; > + reset-gpios = <&gpio 23 GPIO_ACTIVE_LOW>; > + }; > + }; > diff --git a/Documentation/devicetree/bindings/net/wireless/brcm,bcm43xx-fmac.txt b/Documentation/devicetree/bindings/net/wireless/brcm,bcm43xx-fmac.txt > deleted file mode 100644 > index cffb2d6876e3..000000000000 > --- a/Documentation/devicetree/bindings/net/wireless/brcm,bcm43xx-fmac.txt > +++ /dev/null > @@ -1,38 +0,0 @@ > -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,bcm4329-fmac". > - > -Optional properties: > - - brcm,drive-strength : drive strength used for SDIO pins on device in mA > - (default = 6). > - - 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: > - > -mmc3: mmc@1c12000 { > - #address-cells = <1>; > - #size-cells = <0>; > - > - pinctrl-names = "default"; > - pinctrl-0 = <&mmc3_pins_a>; > - vmmc-supply = <®_vmmc3>; > - bus-width = <4>; > - non-removable; > - > - brcmf: wifi@1 { > - reg = <1>; > - compatible = "brcm,bcm4329-fmac"; > - interrupt-parent = <&pio>; > - interrupts = <10 8>; /* PH10 / EINT10 */ > - interrupt-names = "host-wake"; > - }; > -}; > -- > 2.29.2 >
