From d0c550dc36881fda171ec8ad3dcc67491ad968eb Mon Sep 17 00:00:00 2001 From: John Crispin Date: Sat, 19 Jan 2013 08:54:25 +0000 Subject: MIPS: lantiq: add GPHY clock gate bits Explicitly enable the clock gate of the internal GPHYs found on xrx200. Signed-off-by: John Crispin Patchwork: http://patchwork.linux-mips.org/patch/4816/ --- arch/mips/lantiq/xway/reset.c | 9 +++++++++ arch/mips/lantiq/xway/sysctrl.c | 1 + 2 files changed, 10 insertions(+) (limited to 'arch/mips/lantiq') 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); -- cgit v1.2.3-55-g7522