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authorStephen Boyd <sboyd@codeaurora.org>2015-10-26 18:10:09 -0700
committerStephen Boyd <sboyd@codeaurora.org>2015-11-16 11:07:06 -0800
commita085f877a882b465fce74188c9d8efd12bd5acd4 (patch)
tree2183cbd18147e908fcdcfdf800f663d532f49878 /drivers/clk/qcom
parentee15faffef11309219aa87a24efc86f6dd13f7cb (diff)
downloadop-kernel-dev-a085f877a882b465fce74188c9d8efd12bd5acd4.zip
op-kernel-dev-a085f877a882b465fce74188c9d8efd12bd5acd4.tar.gz
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>
Diffstat (limited to 'drivers/clk/qcom')
-rw-r--r--drivers/clk/qcom/gcc-apq8084.c16
-rw-r--r--drivers/clk/qcom/gcc-ipq806x.c14
-rw-r--r--drivers/clk/qcom/gcc-msm8660.c15
-rw-r--r--drivers/clk/qcom/gcc-msm8960.c14
-rw-r--r--drivers/clk/qcom/gcc-msm8974.c17
5 files changed, 33 insertions, 43 deletions
diff --git a/drivers/clk/qcom/gcc-apq8084.c b/drivers/clk/qcom/gcc-apq8084.c
index 1567c3a..070037a 100644
--- a/drivers/clk/qcom/gcc-apq8084.c
+++ b/drivers/clk/qcom/gcc-apq8084.c
@@ -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);
}
diff --git a/drivers/clk/qcom/gcc-ipq806x.c b/drivers/clk/qcom/gcc-ipq806x.c
index 16fc64c..dd5402b 100644
--- a/drivers/clk/qcom/gcc-ipq806x.c
+++ b/drivers/clk/qcom/gcc-ipq806x.c
@@ -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)
diff --git a/drivers/clk/qcom/gcc-msm8660.c b/drivers/clk/qcom/gcc-msm8660.c
index f110bb5..ad41303 100644
--- a/drivers/clk/qcom/gcc-msm8660.c
+++ b/drivers/clk/qcom/gcc-msm8660.c
@@ -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);
}
diff --git a/drivers/clk/qcom/gcc-msm8960.c b/drivers/clk/qcom/gcc-msm8960.c
index 66c18bc..983dd7d 100644
--- a/drivers/clk/qcom/gcc-msm8960.c
+++ b/drivers/clk/qcom/gcc-msm8960.c
@@ -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)
diff --git a/drivers/clk/qcom/gcc-msm8974.c b/drivers/clk/qcom/gcc-msm8974.c
index 28abb8f..335952d 100644
--- a/drivers/clk/qcom/gcc-msm8974.c
+++ b/drivers/clk/qcom/gcc-msm8974.c
@@ -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);
}
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