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authorAndrew Lunn <andrew@lunn.ch>2012-02-19 11:39:27 +0100
committerMike Turquette <mturquette@linaro.org>2012-05-09 01:34:00 +0200
commitf4f7561e032777cd7376800ac97352d5b1684d8f (patch)
treeec47b2eb43e0227fea2ef4ee47d70d03f02da681 /arch/arm/mach-kirkwood
parentARM: Orion: NAND: Add support for clk, if there is one. (diff)
downloadlinux-f4f7561e032777cd7376800ac97352d5b1684d8f.tar.xz
linux-f4f7561e032777cd7376800ac97352d5b1684d8f.zip
ARM: Orion: SDIO: Add support for clk.
Some orion devices can gate the SDIO clock. If the clock exists, enable/disable it as appropriate. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Tested-by: Jamie Lentin <jm@lentin.co.uk> Signed-off-by: Mike Turquette <mturquette@linaro.org>
Diffstat (limited to 'arch/arm/mach-kirkwood')
-rw-r--r--arch/arm/mach-kirkwood/common.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/arm/mach-kirkwood/common.c b/arch/arm/mach-kirkwood/common.c
index 99adebce7073..88a1667af4c3 100644
--- a/arch/arm/mach-kirkwood/common.c
+++ b/arch/arm/mach-kirkwood/common.c
@@ -86,7 +86,7 @@ static struct clk __init *kirkwood_register_gate(const char *name, u8 bit_idx)
void __init kirkwood_clk_init(void)
{
- struct clk *runit, *ge0, *ge1, *sata0, *sata1, *usb0;
+ struct clk *runit, *ge0, *ge1, *sata0, *sata1, *usb0, *sdio;
tclk = clk_register_fixed_rate(NULL, "tclk", NULL,
CLK_IS_ROOT, kirkwood_tclk);
@@ -97,7 +97,7 @@ void __init kirkwood_clk_init(void)
sata0 = kirkwood_register_gate("sata0", CGC_BIT_SATA0);
sata1 = kirkwood_register_gate("sata1", CGC_BIT_SATA1);
usb0 = kirkwood_register_gate("usb0", CGC_BIT_USB0);
- kirkwood_register_gate("sdio", CGC_BIT_SDIO);
+ sdio = kirkwood_register_gate("sdio", CGC_BIT_SDIO);
kirkwood_register_gate("crypto", CGC_BIT_CRYPTO);
kirkwood_register_gate("xor0", CGC_BIT_XOR0);
kirkwood_register_gate("xor1", CGC_BIT_XOR1);
@@ -117,6 +117,7 @@ void __init kirkwood_clk_init(void)
orion_clkdev_add("1", "sata_mv.0", sata1);
orion_clkdev_add(NULL, "orion-ehci.0", usb0);
orion_clkdev_add(NULL, "orion_nand", runit);
+ orion_clkdev_add(NULL, "mvsdio", sdio);
}
/*****************************************************************************