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clk: qcom: Move cxo/pxo/xo into dt files 

Put these clocks into the dt files instead of registering them
from C code. This provides a few benefits. It allows us to
specify the frequency of these clocks at the board level instead
of hard-coding them in the driver. It allows us to insert an RPM
clock in between the consumers of the crystals and the actual
clock. And finally, it helps us transition the GCC driver to use
RPM clocks when that configuration is enabled.

Cc: Georgi Djakov <georgi.djakov@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
hifive-unleashed-5.1
Stephen Boyd 2015-10-26 18:10:09 -07:00
parent ee15faffef
commit a085f877a8
5 changed files with 33 additions and 43 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
drivers/clk/qcom/gcc-apq8084.c
View File

@ -3607,18 +3607,16 @@ MODULE_DEVICE_TABLE(of, gcc_apq8084_match_table);
static int gcc_apq8084_probe(struct platform_device *pdev)
{
struct clk *clk;
int ret;
struct device *dev = &pdev->dev;
/* Temporary until RPM clocks supported */
clk = clk_register_fixed_rate(dev, "xo", NULL, CLK_IS_ROOT, 19200000);
if (IS_ERR(clk))
return PTR_ERR(clk);
ret = qcom_cc_register_board_clk(dev, "xo_board", "xo", 19200000);
if (ret)
return ret;
clk = clk_register_fixed_rate(dev, "sleep_clk_src", NULL,
CLK_IS_ROOT, 32768);
if (IS_ERR(clk))
return PTR_ERR(clk);
ret = qcom_cc_register_sleep_clk(dev);
if (ret)
return ret;
return qcom_cc_probe(pdev, &gcc_apq8084_desc);
}

14
drivers/clk/qcom/gcc-ipq806x.c
View File

@ -3023,19 +3023,17 @@ MODULE_DEVICE_TABLE(of, gcc_ipq806x_match_table);
static int gcc_ipq806x_probe(struct platform_device *pdev)
{
struct clk *clk;
struct device *dev = &pdev->dev;
struct regmap *regmap;
int ret;
/* Temporary until RPM clocks supported */
clk = clk_register_fixed_rate(dev, "cxo", NULL, CLK_IS_ROOT, 25000000);
if (IS_ERR(clk))
return PTR_ERR(clk);
ret = qcom_cc_register_board_clk(dev, "cxo_board", "cxo", 19200000);
if (ret)
return ret;
clk = clk_register_fixed_rate(dev, "pxo", NULL, CLK_IS_ROOT, 25000000);
if (IS_ERR(clk))
return PTR_ERR(clk);
ret = qcom_cc_register_board_clk(dev, "pxo_board", "pxo", 27000000);
if (ret)
return ret;
ret = qcom_cc_probe(pdev, &gcc_ipq806x_desc);
if (ret)

15
drivers/clk/qcom/gcc-msm8660.c
View File

@ -2720,17 +2720,16 @@ MODULE_DEVICE_TABLE(of, gcc_msm8660_match_table);
static int gcc_msm8660_probe(struct platform_device *pdev)
{
struct clk *clk;
int ret;
struct device *dev = &pdev->dev;
/* Temporary until RPM clocks supported */
clk = clk_register_fixed_rate(dev, "cxo", NULL, CLK_IS_ROOT, 19200000);
if (IS_ERR(clk))
return PTR_ERR(clk);
ret = qcom_cc_register_board_clk(dev, "cxo_board", "cxo", 19200000);
if (ret)
return ret;
clk = clk_register_fixed_rate(dev, "pxo", NULL, CLK_IS_ROOT, 27000000);
if (IS_ERR(clk))
return PTR_ERR(clk);
ret = qcom_cc_register_board_clk(dev, "pxo_board", "pxo", 27000000);
if (ret)
return ret;
return qcom_cc_probe(pdev, &gcc_msm8660_desc);
}

14
drivers/clk/qcom/gcc-msm8960.c
View File

@ -3503,7 +3503,6 @@ MODULE_DEVICE_TABLE(of, gcc_msm8960_match_table);
static int gcc_msm8960_probe(struct platform_device *pdev)
{
struct clk *clk;
struct device *dev = &pdev->dev;
const struct of_device_id *match;
struct platform_device *tsens;
@ -3513,14 +3512,13 @@ static int gcc_msm8960_probe(struct platform_device *pdev)
if (!match)
return -EINVAL;
/* Temporary until RPM clocks supported */
clk = clk_register_fixed_rate(dev, "cxo", NULL, CLK_IS_ROOT, 19200000);
if (IS_ERR(clk))
return PTR_ERR(clk);
ret = qcom_cc_register_board_clk(dev, "cxo_board", "cxo", 19200000);
if (ret)
return ret;
clk = clk_register_fixed_rate(dev, "pxo", NULL, CLK_IS_ROOT, 27000000);
if (IS_ERR(clk))
return PTR_ERR(clk);
ret = qcom_cc_register_board_clk(dev, "pxo_board", "pxo", 27000000);
if (ret)
return ret;
ret = qcom_cc_probe(pdev, match->data);
if (ret)

17
drivers/clk/qcom/gcc-msm8974.c
View File

@ -2717,7 +2717,7 @@ static void msm8974_pro_clock_override(void)
static int gcc_msm8974_probe(struct platform_device *pdev)
{
struct clk *clk;
int ret;
struct device *dev = &pdev->dev;
bool pro;
const struct of_device_id *id;
@ -2730,16 +2730,13 @@ static int gcc_msm8974_probe(struct platform_device *pdev)
if (pro)
msm8974_pro_clock_override();
/* Temporary until RPM clocks supported */
clk = clk_register_fixed_rate(dev, "xo", NULL, CLK_IS_ROOT, 19200000);
if (IS_ERR(clk))
return PTR_ERR(clk);
ret = qcom_cc_register_board_clk(dev, "xo_board", "xo", 19200000);
if (ret)
return ret;
/* Should move to DT node? */
clk = clk_register_fixed_rate(dev, "sleep_clk_src", NULL,
CLK_IS_ROOT, 32768);
if (IS_ERR(clk))
return PTR_ERR(clk);
ret = qcom_cc_register_sleep_clk(dev);
if (ret)
return ret;
return qcom_cc_probe(pdev, &gcc_msm8974_desc);
}