summaryrefslogtreecommitdiffstats
path: root/drivers/clk
diff options
context:
space:
mode:
authorShawn Guo <shawnguo@kernel.org>2015-12-22 20:40:27 +0800
committerShawn Guo <shawnguo@kernel.org>2015-12-22 20:40:27 +0800
commitc89dcce4e11c1653ca7954a9dc2839b4d8cd6b4b (patch)
tree155157ad8719c7d7568de349346dd3904cbd7df4 /drivers/clk
parent3a35e470bc6bc4ce34c19c410ebbe4e3bbf0bafe (diff)
parentc20737a2a7b8666648be3f4b386749339958dace (diff)
downloadlinux-c89dcce4e11c1653ca7954a9dc2839b4d8cd6b4b.tar.bz2
Merge branch 'imx/clk' into imx/dt
Diffstat (limited to 'drivers/clk')
-rw-r--r--drivers/clk/imx/clk-imx25.c18
-rw-r--r--drivers/clk/imx/clk-imx51-imx53.c8
-rw-r--r--drivers/clk/imx/clk-imx6q.c3
-rw-r--r--drivers/clk/imx/clk-imx6ul.c4
-rw-r--r--drivers/clk/imx/clk-imx7d.c11
-rw-r--r--drivers/clk/imx/clk-pllv3.c14
6 files changed, 30 insertions, 28 deletions
diff --git a/drivers/clk/imx/clk-imx25.c b/drivers/clk/imx/clk-imx25.c
index c4c141cab444..23686f756b5e 100644
--- a/drivers/clk/imx/clk-imx25.c
+++ b/drivers/clk/imx/clk-imx25.c
@@ -96,13 +96,11 @@ static struct clk ** const uart_clks[] __initconst = {
NULL
};
-static int __init __mx25_clocks_init(unsigned long osc_rate,
- void __iomem *ccm_base)
+static int __init __mx25_clocks_init(void __iomem *ccm_base)
{
BUG_ON(!ccm_base);
clk[dummy] = imx_clk_fixed("dummy", 0);
- clk[osc] = imx_clk_fixed("osc", osc_rate);
clk[mpll] = imx_clk_pllv1(IMX_PLLV1_IMX25, "mpll", "osc", ccm(CCM_MPCTL));
clk[upll] = imx_clk_pllv1(IMX_PLLV1_IMX25, "upll", "osc", ccm(CCM_UPCTL));
clk[mpll_cpu_3_4] = imx_clk_fixed_factor("mpll_cpu_3_4", "mpll", 3, 4);
@@ -250,22 +248,10 @@ static int __init __mx25_clocks_init(unsigned long osc_rate,
static void __init mx25_clocks_init_dt(struct device_node *np)
{
- struct device_node *refnp;
- unsigned long osc_rate = 24000000;
void __iomem *ccm;
- /* retrieve the freqency of fixed clocks from device tree */
- for_each_compatible_node(refnp, NULL, "fixed-clock") {
- u32 rate;
- if (of_property_read_u32(refnp, "clock-frequency", &rate))
- continue;
-
- if (of_device_is_compatible(refnp, "fsl,imx-osc"))
- osc_rate = rate;
- }
-
ccm = of_iomap(np, 0);
- __mx25_clocks_init(osc_rate, ccm);
+ __mx25_clocks_init(ccm);
clk_data.clks = clk;
clk_data.clk_num = ARRAY_SIZE(clk);
diff --git a/drivers/clk/imx/clk-imx51-imx53.c b/drivers/clk/imx/clk-imx51-imx53.c
index c6770348d2ab..29d4c44ef356 100644
--- a/drivers/clk/imx/clk-imx51-imx53.c
+++ b/drivers/clk/imx/clk-imx51-imx53.c
@@ -519,10 +519,10 @@ static void __init mx53_clocks_init(struct device_node *np)
mx53_ldb_di0_sel, ARRAY_SIZE(mx53_ldb_di0_sel), CLK_SET_RATE_PARENT);
clk[IMX5_CLK_LDB_DI0_GATE] = imx_clk_gate2("ldb_di0_gate", "ldb_di0_div", MXC_CCM_CCGR6, 28);
clk[IMX5_CLK_LDB_DI1_GATE] = imx_clk_gate2("ldb_di1_gate", "ldb_di1_div", MXC_CCM_CCGR6, 30);
- clk[IMX5_CLK_IPU_DI0_SEL] = imx_clk_mux("ipu_di0_sel", MXC_CCM_CSCMR2, 26, 3,
- mx53_ipu_di0_sel, ARRAY_SIZE(mx53_ipu_di0_sel));
- clk[IMX5_CLK_IPU_DI1_SEL] = imx_clk_mux("ipu_di1_sel", MXC_CCM_CSCMR2, 29, 3,
- mx53_ipu_di1_sel, ARRAY_SIZE(mx53_ipu_di1_sel));
+ clk[IMX5_CLK_IPU_DI0_SEL] = imx_clk_mux_flags("ipu_di0_sel", MXC_CCM_CSCMR2, 26, 3,
+ mx53_ipu_di0_sel, ARRAY_SIZE(mx53_ipu_di0_sel), CLK_SET_RATE_PARENT);
+ clk[IMX5_CLK_IPU_DI1_SEL] = imx_clk_mux_flags("ipu_di1_sel", MXC_CCM_CSCMR2, 29, 3,
+ mx53_ipu_di1_sel, ARRAY_SIZE(mx53_ipu_di1_sel), CLK_SET_RATE_PARENT);
clk[IMX5_CLK_TVE_EXT_SEL] = imx_clk_mux_flags("tve_ext_sel", MXC_CCM_CSCMR1, 6, 1,
mx53_tve_ext_sel, ARRAY_SIZE(mx53_tve_ext_sel), CLK_SET_RATE_PARENT);
clk[IMX5_CLK_TVE_GATE] = imx_clk_gate2("tve_gate", "tve_pred", MXC_CCM_CCGR2, 30);
diff --git a/drivers/clk/imx/clk-imx6q.c b/drivers/clk/imx/clk-imx6q.c
index c1935081d34a..f0efc6feeec2 100644
--- a/drivers/clk/imx/clk-imx6q.c
+++ b/drivers/clk/imx/clk-imx6q.c
@@ -70,7 +70,8 @@ static const char *cko_sels[] = { "cko1", "cko2", };
static const char *lvds_sels[] = {
"dummy", "dummy", "dummy", "dummy", "dummy", "dummy",
"pll4_audio", "pll5_video", "pll8_mlb", "enet_ref",
- "pcie_ref_125m", "sata_ref_100m",
+ "pcie_ref_125m", "sata_ref_100m", "usbphy1", "usbphy2",
+ "dummy", "dummy", "dummy", "dummy", "osc",
};
static const char *pll_bypass_src_sels[] = { "osc", "lvds1_in", "lvds2_in", "dummy", };
static const char *pll1_bypass_sels[] = { "pll1", "pll1_bypass_src", };
diff --git a/drivers/clk/imx/clk-imx6ul.c b/drivers/clk/imx/clk-imx6ul.c
index 01718d05e952..08692d74b884 100644
--- a/drivers/clk/imx/clk-imx6ul.c
+++ b/drivers/clk/imx/clk-imx6ul.c
@@ -399,9 +399,7 @@ static void __init imx6ul_clocks_init(struct device_node *ccm_node)
/* mask handshake of mmdc */
writel_relaxed(BM_CCM_CCDR_MMDC_CH0_MASK, base + CCDR);
- for (i = 0; i < ARRAY_SIZE(clks); i++)
- if (IS_ERR(clks[i]))
- pr_err("i.MX6UL clk %d: register failed with %ld\n", i, PTR_ERR(clks[i]));
+ imx_check_clocks(clks, ARRAY_SIZE(clks));
clk_data.clks = clks;
clk_data.clk_num = ARRAY_SIZE(clks);
diff --git a/drivers/clk/imx/clk-imx7d.c b/drivers/clk/imx/clk-imx7d.c
index 448ef321948b..fbb6a8c8653d 100644
--- a/drivers/clk/imx/clk-imx7d.c
+++ b/drivers/clk/imx/clk-imx7d.c
@@ -833,10 +833,13 @@ static void __init imx7d_clocks_init(struct device_node *ccm_node)
clks[IMX7D_GPT_3M_CLK] = imx_clk_fixed_factor("gpt_3m", "osc", 1, 8);
- for (i = 0; i < ARRAY_SIZE(clks); i++)
- if (IS_ERR(clks[i]))
- pr_err("i.MX7D clk %d: register failed with %ld\n",
- i, PTR_ERR(clks[i]));
+ clks[IMX7D_CLK_ARM] = imx_clk_cpu("arm", "arm_a7_root_clk",
+ clks[IMX7D_ARM_A7_ROOT_CLK],
+ clks[IMX7D_ARM_A7_ROOT_SRC],
+ clks[IMX7D_PLL_ARM_MAIN_CLK],
+ clks[IMX7D_PLL_SYS_MAIN_CLK]);
+
+ imx_check_clocks(clks, ARRAY_SIZE(clks));
clk_data.clks = clks;
clk_data.clk_num = ARRAY_SIZE(clks);
diff --git a/drivers/clk/imx/clk-pllv3.c b/drivers/clk/imx/clk-pllv3.c
index 6addf8f58b97..c05c43d56a94 100644
--- a/drivers/clk/imx/clk-pllv3.c
+++ b/drivers/clk/imx/clk-pllv3.c
@@ -97,6 +97,16 @@ static void clk_pllv3_unprepare(struct clk_hw *hw)
writel_relaxed(val, pll->base);
}
+static int clk_pllv3_is_prepared(struct clk_hw *hw)
+{
+ struct clk_pllv3 *pll = to_clk_pllv3(hw);
+
+ if (readl_relaxed(pll->base) & BM_PLL_LOCK)
+ return 1;
+
+ return 0;
+}
+
static unsigned long clk_pllv3_recalc_rate(struct clk_hw *hw,
unsigned long parent_rate)
{
@@ -139,6 +149,7 @@ static int clk_pllv3_set_rate(struct clk_hw *hw, unsigned long rate,
static const struct clk_ops clk_pllv3_ops = {
.prepare = clk_pllv3_prepare,
.unprepare = clk_pllv3_unprepare,
+ .is_prepared = clk_pllv3_is_prepared,
.recalc_rate = clk_pllv3_recalc_rate,
.round_rate = clk_pllv3_round_rate,
.set_rate = clk_pllv3_set_rate,
@@ -193,6 +204,7 @@ static int clk_pllv3_sys_set_rate(struct clk_hw *hw, unsigned long rate,
static const struct clk_ops clk_pllv3_sys_ops = {
.prepare = clk_pllv3_prepare,
.unprepare = clk_pllv3_unprepare,
+ .is_prepared = clk_pllv3_is_prepared,
.recalc_rate = clk_pllv3_sys_recalc_rate,
.round_rate = clk_pllv3_sys_round_rate,
.set_rate = clk_pllv3_sys_set_rate,
@@ -265,6 +277,7 @@ static int clk_pllv3_av_set_rate(struct clk_hw *hw, unsigned long rate,
static const struct clk_ops clk_pllv3_av_ops = {
.prepare = clk_pllv3_prepare,
.unprepare = clk_pllv3_unprepare,
+ .is_prepared = clk_pllv3_is_prepared,
.recalc_rate = clk_pllv3_av_recalc_rate,
.round_rate = clk_pllv3_av_round_rate,
.set_rate = clk_pllv3_av_set_rate,
@@ -279,6 +292,7 @@ static unsigned long clk_pllv3_enet_recalc_rate(struct clk_hw *hw,
static const struct clk_ops clk_pllv3_enet_ops = {
.prepare = clk_pllv3_prepare,
.unprepare = clk_pllv3_unprepare,
+ .is_prepared = clk_pllv3_is_prepared,
.recalc_rate = clk_pllv3_enet_recalc_rate,
};