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ARM: mmc: bcm281xx SDHCI driver (dt mods)

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Add SDHCI bindings for the Broadcom 281xx SoCs.

Changes from V2:
 - Documentation cleanups

Changes from V1:
 - split original patch into 2, one for driver and this one for dt

Signed-off-by: Christian Daudt <csd@broadcom.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Christian Daudt 2013-05-10 00:10:07 -07:00
parent 5401cc4322
commit 2dbfe74868
3 changed files with 61 additions and 0 deletions
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16
Documentation/devicetree/bindings/mmc/bcm,kona-sdhci.txt Normal file
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@ -0,0 +1,16 @@
Broadcom BCM281xx SDHCI
This file documents differences between the core properties in mmc.txt
and the properties present in the bcm281xx SDHCI
Required properties:
- compatible : Should be "bcm,kona-sdhci"
Example:
sdio2: sdio@0x3f1a0000 {
compatible = "bcm,kona-sdhci";
reg = <0x3f1a0000 0x10000>;
interrupts = <0x0 74 0x4>;
};

17
arch/arm/boot/dts/bcm11351-brt.dts
View File

@ -27,4 +27,21 @@
status = "okay";
};
sdio0: sdio@0x3f180000 {
max-frequency = <48000000>;
status = "okay";
};
sdio1: sdio@0x3f190000 {
non-removable;
max-frequency = <48000000>;
status = "okay";
};
sdio3: sdio@0x3f1b0000 {
max-frequency = <48000000>;
status = "okay";
};
};

28
arch/arm/boot/dts/bcm11351.dtsi
View File

@ -63,4 +63,32 @@
clock-frequency = <32768>;
};
sdio0: sdio@0x3f180000 {
compatible = "bcm,kona-sdhci";
reg = <0x3f180000 0x10000>;
interrupts = <0x0 77 0x4>;
status = "disabled";
};
sdio1: sdio@0x3f190000 {
compatible = "bcm,kona-sdhci";
reg = <0x3f190000 0x10000>;
interrupts = <0x0 76 0x4>;
status = "disabled";
};
sdio2: sdio@0x3f1a0000 {
compatible = "bcm,kona-sdhci";
reg = <0x3f1a0000 0x10000>;
interrupts = <0x0 74 0x4>;
status = "disabled";
};
sdio3: sdio@0x3f1b0000 {
compatible = "bcm,kona-sdhci";
reg = <0x3f1b0000 0x10000>;
interrupts = <0x0 73 0x4>;
status = "disabled";
};
};