The Pandaboard needs a 32k clock in the TWL6030 to be enabled to work. With some luck, it is enabled by some U-Boot fork. Do not rely on it and properly specify the requirement. Signed-off-by: Andreas Kemnade <andreas@xxxxxxxxxxxx> --- arch/arm/boot/dts/ti/omap/omap4-panda-common.dtsi | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/arm/boot/dts/ti/omap/omap4-panda-common.dtsi b/arch/arm/boot/dts/ti/omap/omap4-panda-common.dtsi index 97706d6296a6..c860b590142a 100644 --- a/arch/arm/boot/dts/ti/omap/omap4-panda-common.dtsi +++ b/arch/arm/boot/dts/ti/omap/omap4-panda-common.dtsi @@ -130,6 +130,12 @@ hsusb1_phy: hsusb1_phy { clock-frequency = <19200000>; }; + wl12xx_pwrseq: wl12xx-pwrseq { + compatible = "mmc-pwrseq-simple"; + clocks = <&twl 0>; + clock-names = "ext_clock"; + }; + /* regulator for wl12xx on sdio5 */ wl12xx_vmmc: wl12xx_vmmc { pinctrl-names = "default"; @@ -408,6 +414,7 @@ twl: twl@48 { reg = <0x48>; /* IRQ# = 7 */ interrupts = <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>; /* IRQ_SYS_1N cascaded to gic */ + #clock-cells = <1>; system-power-controller; }; @@ -488,6 +495,7 @@ &mmc5 { non-removable; bus-width = <4>; cap-power-off-card; + mmc-pwrseq = <&wl12xx_pwrseq>; #address-cells = <1>; #size-cells = <0>; -- 2.39.5