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| author | John Crispin <blogic@openwrt.org> | 2013-01-19 08:54:25 +0000 |
|---|---|---|
| committer | John Crispin <blogic@openwrt.org> | 2013-02-17 00:15:17 +0100 |
| commit | d0c550dc36881fda171ec8ad3dcc67491ad968eb (patch) | |
| tree | 2d086dea11edbdd0eb1bc5c1819147445cd6f126 /arch/mips/lantiq | |
| parent | 740c606e8e79c3e3800afbc32b4e6123da403d6c (diff) | |
| download | linux-d0c550dc36881fda171ec8ad3dcc67491ad968eb.tar.gz linux-d0c550dc36881fda171ec8ad3dcc67491ad968eb.tar.bz2 linux-d0c550dc36881fda171ec8ad3dcc67491ad968eb.zip | |
MIPS: lantiq: add GPHY clock gate bits
Explicitly enable the clock gate of the internal GPHYs found on xrx200.
Signed-off-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/4816/
Diffstat (limited to 'arch/mips/lantiq')
| -rw-r--r-- | arch/mips/lantiq/xway/reset.c | 9 | ||||
| -rw-r--r-- | arch/mips/lantiq/xway/sysctrl.c | 1 |
2 files changed, 10 insertions, 0 deletions
diff --git a/arch/mips/lantiq/xway/reset.c b/arch/mips/lantiq/xway/reset.c index 544dbb7fb421..1fa0f175357e 100644 --- a/arch/mips/lantiq/xway/reset.c +++ b/arch/mips/lantiq/xway/reset.c @@ -78,10 +78,19 @@ static struct ltq_xrx200_gphy_reset { /* reset and boot a gphy. these phys only exist on xrx200 SoC */ int xrx200_gphy_boot(struct device *dev, unsigned int id, dma_addr_t dev_addr) { + struct clk *clk; + if (!of_device_is_compatible(ltq_rcu_np, "lantiq,rcu-xrx200")) { dev_err(dev, "this SoC has no GPHY\n"); return -EINVAL; } + + clk = clk_get_sys("1f203000.rcu", "gphy"); + if (IS_ERR(clk)) + return PTR_ERR(clk); + + clk_enable(clk); + if (id > 1) { dev_err(dev, "%u is an invalid gphy id\n", id); return -EINVAL; diff --git a/arch/mips/lantiq/xway/sysctrl.c b/arch/mips/lantiq/xway/sysctrl.c index 3390fcd6ee56..c24924fe087d 100644 --- a/arch/mips/lantiq/xway/sysctrl.c +++ b/arch/mips/lantiq/xway/sysctrl.c @@ -376,6 +376,7 @@ void __init ltq_soc_init(void) PMU_SWITCH | PMU_PPE_DPLUS | PMU_PPE_DPLUM | PMU_PPE_EMA | PMU_PPE_TC | PMU_PPE_SLL01 | PMU_PPE_QSB | PMU_PPE_TOP); + clkdev_add_pmu("1f203000.rcu", "gphy", 0, PMU_GPHY); } else if (of_machine_is_compatible("lantiq,ar9")) { clkdev_add_static(ltq_ar9_cpu_hz(), ltq_ar9_fpi_hz(), ltq_ar9_fpi_hz(), CLOCK_250M); |