spi: restore rx/tx_buf in case of unset CONFIG_HAS_DMA
[sfrench/cifs-2.6.git] / Documentation / devicetree / bindings / mfd / brcm,bcm59056.txt
1 -------------------------------
2 BCM590xx Power Management Units
3 -------------------------------
4
5 Required properties:
6 - compatible: "brcm,bcm59056"
7 - reg: I2C slave address
8 - interrupts: interrupt for the PMU. Generic interrupt client node bindings
9   are described in interrupt-controller/interrupts.txt
10
11 ------------------
12 Voltage Regulators
13 ------------------
14
15 Optional child nodes:
16 - regulators: container node for regulators following the generic
17   regulator binding in regulator/regulator.txt
18
19   The valid regulator node names for BCM59056 are:
20         rfldo, camldo1, camldo2, simldo1, simldo2, sdldo, sdxldo,
21         mmcldo1, mmcldo2, audldo, micldo, usbldo, vibldo,
22         csr, iosr1, iosr2, msr, sdsr1, sdsr2, vsr,
23         gpldo1, gpldo2, gpldo3, gpldo4, gpldo5, gpldo6,
24         vbus
25
26 Example:
27         pmu: bcm59056@8 {
28                 compatible = "brcm,bcm59056";
29                 reg = <0x08>;
30                 interrupts = <GIC_SPI 215 IRQ_TYPE_LEVEL_HIGH>;
31                 regulators {
32                         rfldo_reg: rfldo {
33                                 regulator-min-microvolt = <1200000>;
34                                 regulator-max-microvolt = <3300000>;
35                         };
36
37                         ...
38                 };
39         };