[PATCH v2 1/3] ARM: dts: sun8i: Add basic dtsi file for Allwinner R40
From: Maxime Ripard <hidden>
Date: 2017-09-28 15:11:18
Also in:
linux-devicetree, lkml
Hi, On Thu, Sep 28, 2017 at 09:25:41AM +0000, Icenowy Zheng wrote:
+ /*
+ * The max-frequency properties in all MMC controller nodes
+ * are conservative values proven to work on Banana Pi M2
+ * Ultra (the first community available R40 board).
+ * As the board doesn't wire MMC3 out, the property is not
+ * set in MMC3.
+ * TODO: measure the accurate max frequency of the controllers.
+ */
+ mmc0: mmc at 1c0f000 {
+ compatible = "allwinner,sun8i-r40-mmc",
+ "allwinner,sun50i-a64-mmc";
+ reg = <0x01c0f000 0x1000>;
+ clocks = <&ccu CLK_BUS_MMC0>, <&ccu CLK_MMC0>;
+ clock-names = "ahb", "mmc";
+ resets = <&ccu RST_BUS_MMC0>;
+ reset-names = "ahb";
+ pinctrl-0 = <&mmc0_pins>;
+ pinctrl-names = "default";
+ interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;
+ max-frequency = <25000000>;
+ status = "disabled";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };Sorry if it wasn't really clear, but my point was more than you should just drop the max-frequency property Maxime -- Maxime Ripard, Free Electrons Embedded Linux and Kernel engineering http://free-electrons.com -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 801 bytes Desc: not available URL: <http://lists.infradead.org/pipermail/linux-arm-kernel/attachments/20170928/158286a3/attachment.sig>