diff options
Diffstat (limited to 'target/linux/lantiq/patches-3.7/0102-MIPS-lantiq-add-GPHY-clock-gate-bits.patch')
| -rw-r--r-- | target/linux/lantiq/patches-3.7/0102-MIPS-lantiq-add-GPHY-clock-gate-bits.patch | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/target/linux/lantiq/patches-3.7/0102-MIPS-lantiq-add-GPHY-clock-gate-bits.patch b/target/linux/lantiq/patches-3.7/0102-MIPS-lantiq-add-GPHY-clock-gate-bits.patch new file mode 100644 index 0000000..e979e1e --- /dev/null +++ b/target/linux/lantiq/patches-3.7/0102-MIPS-lantiq-add-GPHY-clock-gate-bits.patch @@ -0,0 +1,52 @@ +From 05d6c964722224e8cf2902606744e29a835e7d5f Mon Sep 17 00:00:00 2001 +From: John Crispin <blogic@openwrt.org> +Date: Mon, 3 Dec 2012 21:35:01 +0100 +Subject: [PATCH 102/123] 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> +--- + arch/mips/lantiq/xway/reset.c | 9 +++++++++ + arch/mips/lantiq/xway/sysctrl.c | 1 + + 2 files changed, 10 insertions(+) + +diff --git a/arch/mips/lantiq/xway/reset.c b/arch/mips/lantiq/xway/reset.c +index 544dbb7..1fa0f17 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 3925e66..6e0e135 100644 +--- a/arch/mips/lantiq/xway/sysctrl.c ++++ b/arch/mips/lantiq/xway/sysctrl.c +@@ -374,6 +374,7 @@ 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()); +-- +1.7.10.4 + |