diff options
author | Jonas Gorski <jonas.gorski@gmail.com> | 2012-10-28 12:49:53 +0100 |
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committer | John Crispin <blogic@openwrt.org> | 2012-11-09 11:37:17 +0100 |
commit | f2d1035e956052d29c83fe8f8da0d056af6d221a (patch) | |
tree | 1cb6769113f52ebf6e4457b6ec0adc38e7886e0b /arch/mips/bcm63xx | |
parent | MIPS: BCM47xx: sprom: read values without prefix as fallback (diff) | |
download | linux-f2d1035e956052d29c83fe8f8da0d056af6d221a.tar.xz linux-f2d1035e956052d29c83fe8f8da0d056af6d221a.zip |
MIPS: BCM63XX: add and use a clock for PCIe
Add a PCIe clock and use that instead of directly touching the clock
control register. While at it, fail if there is no such clock.
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
Acked-by: Florian Fainelli <florian@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/4452
Signed-off-by: John Crispin <blogic@openwrt.org>
Diffstat (limited to 'arch/mips/bcm63xx')
-rw-r--r-- | arch/mips/bcm63xx/clk.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/mips/bcm63xx/clk.c b/arch/mips/bcm63xx/clk.c index dff79ab6005e..89a5fb077862 100644 --- a/arch/mips/bcm63xx/clk.c +++ b/arch/mips/bcm63xx/clk.c @@ -253,6 +253,19 @@ static struct clk clk_ipsec = { }; /* + * PCIe clock + */ + +static void pcie_set(struct clk *clk, int enable) +{ + bcm_hwclock_set(CKCTL_6328_PCIE_EN, enable); +} + +static struct clk clk_pcie = { + .set = pcie_set, +}; + +/* * Internal peripheral clock */ static struct clk clk_periph = { @@ -313,6 +326,8 @@ struct clk *clk_get(struct device *dev, const char *id) return &clk_pcm; if (BCMCPU_IS_6368() && !strcmp(id, "ipsec")) return &clk_ipsec; + if (BCMCPU_IS_6328() && !strcmp(id, "pcie")) + return &clk_pcie; return ERR_PTR(-ENOENT); } |