summaryrefslogtreecommitdiff
path: root/drivers/clk
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/clk')
-rw-r--r--drivers/clk/clk-nomadik.c41
-rw-r--r--drivers/clk/clk-si5351.c12
-rw-r--r--drivers/clk/clk-vt8500.c2
-rw-r--r--drivers/clk/mxs/clk-imx28.c1
-rw-r--r--drivers/clk/samsung/clk-exynos4.c15
-rw-r--r--drivers/clk/tegra/clk-tegra20.c11
-rw-r--r--drivers/clk/ux500/clk-sysctrl.c8
-rw-r--r--drivers/clk/ux500/u8500_clk.c2
-rw-r--r--drivers/clk/x86/clk-lpt.c15
9 files changed, 58 insertions, 49 deletions
diff --git a/drivers/clk/clk-nomadik.c b/drivers/clk/clk-nomadik.c
index 6b4c70f7d23d..4a1ab27ee87f 100644
--- a/drivers/clk/clk-nomadik.c
+++ b/drivers/clk/clk-nomadik.c
@@ -3,46 +3,19 @@
#include <linux/err.h>
#include <linux/io.h>
#include <linux/clk-provider.h>
+#include <linux/of.h>
/*
* The Nomadik clock tree is described in the STN8815A12 DB V4.2
* reference manual for the chip, page 94 ff.
*/
+static const __initconst struct of_device_id cpu8815_clk_match[] = {
+ { .compatible = "fixed-clock", .data = of_fixed_clk_setup, },
+ { /* sentinel */ }
+};
+
void __init nomadik_clk_init(void)
{
- struct clk *clk;
-
- clk = clk_register_fixed_rate(NULL, "apb_pclk", NULL, CLK_IS_ROOT, 0);
- clk_register_clkdev(clk, "apb_pclk", NULL);
- clk_register_clkdev(clk, NULL, "gpio.0");
- clk_register_clkdev(clk, NULL, "gpio.1");
- clk_register_clkdev(clk, NULL, "gpio.2");
- clk_register_clkdev(clk, NULL, "gpio.3");
- clk_register_clkdev(clk, NULL, "rng");
- clk_register_clkdev(clk, NULL, "fsmc-nand");
-
- /*
- * The 2.4 MHz TIMCLK reference clock is active at boot time, this is
- * actually the MXTALCLK @19.2 MHz divided by 8. This clock is used
- * by the timers and watchdog. See page 105 ff.
- */
- clk = clk_register_fixed_rate(NULL, "TIMCLK", NULL, CLK_IS_ROOT,
- 2400000);
- clk_register_clkdev(clk, NULL, "mtu0");
- clk_register_clkdev(clk, NULL, "mtu1");
-
- /*
- * At boot time, PLL2 is set to generate a set of fixed clocks,
- * one of them is CLK48, the 48 MHz clock, routed to the UART, MMC/SD
- * I2C, IrDA, USB and SSP blocks.
- */
- clk = clk_register_fixed_rate(NULL, "CLK48", NULL, CLK_IS_ROOT,
- 48000000);
- clk_register_clkdev(clk, NULL, "uart0");
- clk_register_clkdev(clk, NULL, "uart1");
- clk_register_clkdev(clk, NULL, "mmci");
- clk_register_clkdev(clk, NULL, "ssp");
- clk_register_clkdev(clk, NULL, "nmk-i2c.0");
- clk_register_clkdev(clk, NULL, "nmk-i2c.1");
+ of_clk_init(cpu8815_clk_match);
}
diff --git a/drivers/clk/clk-si5351.c b/drivers/clk/clk-si5351.c
index 892728412e9d..24f553673b72 100644
--- a/drivers/clk/clk-si5351.c
+++ b/drivers/clk/clk-si5351.c
@@ -932,7 +932,7 @@ static unsigned long si5351_clkout_recalc_rate(struct clk_hw *hw,
unsigned char reg;
unsigned char rdiv;
- if (hwdata->num > 5)
+ if (hwdata->num <= 5)
reg = si5351_msynth_params_address(hwdata->num) + 2;
else
reg = SI5351_CLK6_7_OUTPUT_DIVIDER;
@@ -1477,6 +1477,16 @@ static int si5351_i2c_probe(struct i2c_client *client,
return -EINVAL;
}
drvdata->onecell.clks[n] = clk;
+
+ /* set initial clkout rate */
+ if (pdata->clkout[n].rate != 0) {
+ int ret;
+ ret = clk_set_rate(clk, pdata->clkout[n].rate);
+ if (ret != 0) {
+ dev_err(&client->dev, "Cannot set rate : %d\n",
+ ret);
+ }
+ }
}
ret = of_clk_add_provider(client->dev.of_node, of_clk_src_onecell_get,
diff --git a/drivers/clk/clk-vt8500.c b/drivers/clk/clk-vt8500.c
index debf688afa8e..553ac35bcc91 100644
--- a/drivers/clk/clk-vt8500.c
+++ b/drivers/clk/clk-vt8500.c
@@ -183,7 +183,7 @@ static int vt8500_dclk_set_rate(struct clk_hw *hw, unsigned long rate,
writel(divisor, cdev->div_reg);
vt8500_pmc_wait_busy();
- spin_lock_irqsave(cdev->lock, flags);
+ spin_unlock_irqrestore(cdev->lock, flags);
return 0;
}
diff --git a/drivers/clk/mxs/clk-imx28.c b/drivers/clk/mxs/clk-imx28.c
index d0e5eed146de..4faf0afc44cd 100644
--- a/drivers/clk/mxs/clk-imx28.c
+++ b/drivers/clk/mxs/clk-imx28.c
@@ -10,6 +10,7 @@
*/
#include <linux/clk.h>
+#include <linux/clk/mxs.h>
#include <linux/clkdev.h>
#include <linux/err.h>
#include <linux/init.h>
diff --git a/drivers/clk/samsung/clk-exynos4.c b/drivers/clk/samsung/clk-exynos4.c
index d0940e69d034..addc738a06fb 100644
--- a/drivers/clk/samsung/clk-exynos4.c
+++ b/drivers/clk/samsung/clk-exynos4.c
@@ -151,7 +151,7 @@ enum exynos4_clks {
sclk_audio1, sclk_audio2, sclk_spdif, sclk_spi0, sclk_spi1, sclk_spi2,
sclk_slimbus, sclk_fimd1, sclk_mipi1, sclk_pcm1, sclk_pcm2, sclk_i2s1,
sclk_i2s2, sclk_mipihsi, sclk_mfc, sclk_pcm0, sclk_g3d, sclk_pwm_isp,
- sclk_spi0_isp, sclk_spi1_isp, sclk_uart_isp,
+ sclk_spi0_isp, sclk_spi1_isp, sclk_uart_isp, sclk_fimg2d,
/* gate clocks */
fimc0 = 256, fimc1, fimc2, fimc3, csis0, csis1, jpeg, smmu_fimc0,
@@ -484,6 +484,9 @@ struct samsung_mux_clock exynos4x12_mux_clks[] __initdata = {
MUX(none, "mout_spi0_isp", group1_p4x12, E4X12_SRC_ISP, 4, 4),
MUX(none, "mout_spi1_isp", group1_p4x12, E4X12_SRC_ISP, 8, 4),
MUX(none, "mout_uart_isp", group1_p4x12, E4X12_SRC_ISP, 12, 4),
+ MUX(none, "mout_g2d0", sclk_ampll_p4210, SRC_DMC, 20, 1),
+ MUX(none, "mout_g2d1", sclk_evpll_p, SRC_DMC, 24, 1),
+ MUX(none, "mout_g2d", mout_g2d_p, SRC_DMC, 28, 1),
};
/* list of divider clocks supported in all exynos4 soc's */
@@ -552,7 +555,7 @@ struct samsung_div_clock exynos4_div_clks[] __initdata = {
/* list of divider clocks supported in exynos4210 soc */
struct samsung_div_clock exynos4210_div_clks[] __initdata = {
DIV(aclk200, "aclk200", "mout_aclk200", DIV_TOP, 0, 3),
- DIV(none, "div_g2d", "mout_g2d", DIV_IMAGE, 0, 4),
+ DIV(sclk_fimg2d, "sclk_fimg2d", "mout_g2d", DIV_IMAGE, 0, 4),
DIV(none, "div_fimd1", "mout_fimd1", E4210_DIV_LCD1, 0, 4),
DIV(none, "div_mipi1", "mout_mipi1", E4210_DIV_LCD1, 16, 4),
DIV(none, "div_sata", "mout_sata", DIV_FSYS0, 20, 4),
@@ -582,6 +585,7 @@ struct samsung_div_clock exynos4x12_div_clks[] __initdata = {
DIV(none, "div_mpwm", "div_isp1", E4X12_DIV_ISP1, 0, 3),
DIV(div_mcuisp0, "div_mcuisp0", "aclk400_mcuisp", E4X12_DIV_ISP1, 4, 3),
DIV(div_mcuisp1, "div_mcuisp1", "div_mcuisp0", E4X12_DIV_ISP1, 8, 3),
+ DIV(sclk_fimg2d, "sclk_fimg2d", "mout_g2d", DIV_DMC1, 0, 4),
};
/* list of gate clocks supported in all exynos4 soc's */
@@ -791,7 +795,8 @@ struct samsung_gate_clock exynos4210_gate_clks[] __initdata = {
GATE(smmu_pcie, "smmu_pcie", "aclk133", GATE_IP_FSYS, 18, 0, 0),
GATE(modemif, "modemif", "aclk100", GATE_IP_PERIL, 28, 0, 0),
GATE(chipid, "chipid", "aclk100", E4210_GATE_IP_PERIR, 0, 0, 0),
- GATE(sysreg, "sysreg", "aclk100", E4210_GATE_IP_PERIR, 0, 0, 0),
+ GATE(sysreg, "sysreg", "aclk100", E4210_GATE_IP_PERIR, 0,
+ CLK_IGNORE_UNUSED, 0),
GATE(hdmi_cec, "hdmi_cec", "aclk100", E4210_GATE_IP_PERIR, 11, 0, 0),
GATE(smmu_rotator, "smmu_rotator", "aclk200",
E4210_GATE_IP_IMAGE, 4, 0, 0),
@@ -819,7 +824,8 @@ struct samsung_gate_clock exynos4x12_gate_clks[] __initdata = {
GATE(smmu_mdma, "smmu_mdma", "aclk200", E4X12_GATE_IP_IMAGE, 5, 0, 0),
GATE(mipi_hsi, "mipi_hsi", "aclk133", GATE_IP_FSYS, 10, 0, 0),
GATE(chipid, "chipid", "aclk100", E4X12_GATE_IP_PERIR, 0, 0, 0),
- GATE(sysreg, "sysreg", "aclk100", E4X12_GATE_IP_PERIR, 1, 0, 0),
+ GATE(sysreg, "sysreg", "aclk100", E4X12_GATE_IP_PERIR, 1,
+ CLK_IGNORE_UNUSED, 0),
GATE(hdmi_cec, "hdmi_cec", "aclk100", E4X12_GATE_IP_PERIR, 11, 0, 0),
GATE(sclk_mdnie0, "sclk_mdnie0", "div_mdnie0",
SRC_MASK_LCD0, 4, CLK_SET_RATE_PARENT, 0),
@@ -907,6 +913,7 @@ struct samsung_gate_clock exynos4x12_gate_clks[] __initdata = {
CLK_IGNORE_UNUSED, 0),
GATE(spi1_isp, "spi1_isp", "aclk200", E4X12_GATE_ISP1, 13,
CLK_IGNORE_UNUSED, 0),
+ GATE(g2d, "g2d", "aclk200", GATE_IP_DMC, 23, 0, 0),
};
/*
diff --git a/drivers/clk/tegra/clk-tegra20.c b/drivers/clk/tegra/clk-tegra20.c
index 8292a00c3de9..075db0c99edb 100644
--- a/drivers/clk/tegra/clk-tegra20.c
+++ b/drivers/clk/tegra/clk-tegra20.c
@@ -872,6 +872,14 @@ static void __init tegra20_periph_clk_init(void)
struct clk *clk;
int i;
+ /* ac97 */
+ clk = tegra_clk_register_periph_gate("ac97", "pll_a_out0",
+ TEGRA_PERIPH_ON_APB,
+ clk_base, 0, 3, &periph_l_regs,
+ periph_clk_enb_refcnt);
+ clk_register_clkdev(clk, NULL, "tegra20-ac97");
+ clks[ac97] = clk;
+
/* apbdma */
clk = tegra_clk_register_periph_gate("apbdma", "pclk", 0, clk_base,
0, 34, &periph_h_regs,
@@ -1234,9 +1242,6 @@ static __initdata struct tegra_clk_init_table init_table[] = {
{uartc, pll_p, 0, 0},
{uartd, pll_p, 0, 0},
{uarte, pll_p, 0, 0},
- {usbd, clk_max, 12000000, 0},
- {usb2, clk_max, 12000000, 0},
- {usb3, clk_max, 12000000, 0},
{pll_a, clk_max, 56448000, 1},
{pll_a_out0, clk_max, 11289600, 1},
{cdev1, clk_max, 0, 1},
diff --git a/drivers/clk/ux500/clk-sysctrl.c b/drivers/clk/ux500/clk-sysctrl.c
index bc7e9bde792b..e364c9d4aa60 100644
--- a/drivers/clk/ux500/clk-sysctrl.c
+++ b/drivers/clk/ux500/clk-sysctrl.c
@@ -145,7 +145,13 @@ static struct clk *clk_reg_sysctrl(struct device *dev,
return ERR_PTR(-ENOMEM);
}
- for (i = 0; i < num_parents; i++) {
+ /* set main clock registers */
+ clk->reg_sel[0] = reg_sel[0];
+ clk->reg_bits[0] = reg_bits[0];
+ clk->reg_mask[0] = reg_mask[0];
+
+ /* handle clocks with more than one parent */
+ for (i = 1; i < num_parents; i++) {
clk->reg_sel[i] = reg_sel[i];
clk->reg_bits[i] = reg_bits[i];
clk->reg_mask[i] = reg_mask[i];
diff --git a/drivers/clk/ux500/u8500_clk.c b/drivers/clk/ux500/u8500_clk.c
index 0b4f35a5ffc2..80069c370a47 100644
--- a/drivers/clk/ux500/u8500_clk.c
+++ b/drivers/clk/ux500/u8500_clk.c
@@ -325,7 +325,7 @@ void u8500_clk_init(u32 clkrst1_base, u32 clkrst2_base, u32 clkrst3_base,
clk = clk_reg_prcc_pclk("p3_pclk0", "per3clk", clkrst3_base,
BIT(0), 0);
clk_register_clkdev(clk, "fsmc", NULL);
- clk_register_clkdev(clk, NULL, "smsc911x");
+ clk_register_clkdev(clk, NULL, "smsc911x.0");
clk = clk_reg_prcc_pclk("p3_pclk1", "per3clk", clkrst3_base,
BIT(1), 0);
diff --git a/drivers/clk/x86/clk-lpt.c b/drivers/clk/x86/clk-lpt.c
index 5cf4f4686406..4f45eee9e33b 100644
--- a/drivers/clk/x86/clk-lpt.c
+++ b/drivers/clk/x86/clk-lpt.c
@@ -15,22 +15,29 @@
#include <linux/clk-provider.h>
#include <linux/err.h>
#include <linux/module.h>
+#include <linux/platform_data/clk-lpss.h>
#include <linux/platform_device.h>
#define PRV_CLOCK_PARAMS 0x800
static int lpt_clk_probe(struct platform_device *pdev)
{
+ struct lpss_clk_data *drvdata;
struct clk *clk;
+ drvdata = devm_kzalloc(&pdev->dev, sizeof(*drvdata), GFP_KERNEL);
+ if (!drvdata)
+ return -ENOMEM;
+
/* LPSS free running clock */
- clk = clk_register_fixed_rate(&pdev->dev, "lpss_clk", NULL, CLK_IS_ROOT,
- 100000000);
+ drvdata->name = "lpss_clk";
+ clk = clk_register_fixed_rate(&pdev->dev, drvdata->name, NULL,
+ CLK_IS_ROOT, 100000000);
if (IS_ERR(clk))
return PTR_ERR(clk);
- /* Shared DMA clock */
- clk_register_clkdev(clk, "hclk", "INTL9C60.0.auto");
+ drvdata->clk = clk;
+ platform_set_drvdata(pdev, drvdata);
return 0;
}