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-rw-r--r--drivers/clk/qcom/common.c87
-rw-r--r--drivers/clk/qcom/common.h4
-rw-r--r--drivers/clk/qcom/gcc-apq8084.c17
-rw-r--r--drivers/clk/qcom/gcc-ipq806x.c15
-rw-r--r--drivers/clk/qcom/gcc-msm8660.c16
-rw-r--r--drivers/clk/qcom/gcc-msm8916.c17
-rw-r--r--drivers/clk/qcom/gcc-msm8960.c16
-rw-r--r--drivers/clk/qcom/gcc-msm8974.c18
-rw-r--r--drivers/clk/qcom/lcc-ipq806x.c1
-rw-r--r--drivers/clk/qcom/lcc-msm8960.c1
-rw-r--r--drivers/clk/qcom/mmcc-apq8084.c1
-rw-r--r--drivers/clk/qcom/mmcc-msm8960.c2
-rw-r--r--drivers/clk/qcom/mmcc-msm8974.c1
13 files changed, 144 insertions, 52 deletions
diff --git a/drivers/clk/qcom/common.c b/drivers/clk/qcom/common.c
index 8fa477293ae0..c112ebaba70d 100644
--- a/drivers/clk/qcom/common.c
+++ b/drivers/clk/qcom/common.c
@@ -17,6 +17,7 @@
#include <linux/platform_device.h>
#include <linux/clk-provider.h>
#include <linux/reset-controller.h>
+#include <linux/of.h>
#include "common.h"
#include "clk-rcg.h"
@@ -88,6 +89,92 @@ static void qcom_cc_gdsc_unregister(void *data)
gdsc_unregister(data);
}
+/*
+ * Backwards compatibility with old DTs. Register a pass-through factor 1/1
+ * clock to translate 'path' clk into 'name' clk and regsiter the 'path'
+ * clk as a fixed rate clock if it isn't present.
+ */
+static int _qcom_cc_register_board_clk(struct device *dev, const char *path,
+ const char *name, unsigned long rate,
+ bool add_factor)
+{
+ struct device_node *node = NULL;
+ struct device_node *clocks_node;
+ struct clk_fixed_factor *factor;
+ struct clk_fixed_rate *fixed;
+ struct clk *clk;
+ struct clk_init_data init_data = { };
+
+ clocks_node = of_find_node_by_path("/clocks");
+ if (clocks_node)
+ node = of_find_node_by_name(clocks_node, path);
+ of_node_put(clocks_node);
+
+ if (!node) {
+ fixed = devm_kzalloc(dev, sizeof(*fixed), GFP_KERNEL);
+ if (!fixed)
+ return -EINVAL;
+
+ fixed->fixed_rate = rate;
+ fixed->hw.init = &init_data;
+
+ init_data.name = path;
+ init_data.flags = CLK_IS_ROOT;
+ init_data.ops = &clk_fixed_rate_ops;
+
+ clk = devm_clk_register(dev, &fixed->hw);
+ if (IS_ERR(clk))
+ return PTR_ERR(clk);
+ }
+ of_node_put(node);
+
+ if (add_factor) {
+ factor = devm_kzalloc(dev, sizeof(*factor), GFP_KERNEL);
+ if (!factor)
+ return -EINVAL;
+
+ factor->mult = factor->div = 1;
+ factor->hw.init = &init_data;
+
+ init_data.name = name;
+ init_data.parent_names = &path;
+ init_data.num_parents = 1;
+ init_data.flags = 0;
+ init_data.ops = &clk_fixed_factor_ops;
+
+ clk = devm_clk_register(dev, &factor->hw);
+ if (IS_ERR(clk))
+ return PTR_ERR(clk);
+ }
+
+ return 0;
+}
+
+int qcom_cc_register_board_clk(struct device *dev, const char *path,
+ const char *name, unsigned long rate)
+{
+ bool add_factor = true;
+ struct device_node *node;
+
+ /* The RPM clock driver will add the factor clock if present */
+ if (IS_ENABLED(CONFIG_QCOM_RPMCC)) {
+ node = of_find_compatible_node(NULL, NULL, "qcom,rpmcc");
+ if (of_device_is_available(node))
+ add_factor = false;
+ of_node_put(node);
+ }
+
+ return _qcom_cc_register_board_clk(dev, path, name, rate, add_factor);
+}
+EXPORT_SYMBOL_GPL(qcom_cc_register_board_clk);
+
+int qcom_cc_register_sleep_clk(struct device *dev)
+{
+ return _qcom_cc_register_board_clk(dev, "sleep_clk", "sleep_clk_src",
+ 32768, true);
+}
+EXPORT_SYMBOL_GPL(qcom_cc_register_sleep_clk);
+
int qcom_cc_really_probe(struct platform_device *pdev,
const struct qcom_cc_desc *desc, struct regmap *regmap)
{
diff --git a/drivers/clk/qcom/common.h b/drivers/clk/qcom/common.h
index 7c1fba3ebc03..ae9bdeb21f29 100644
--- a/drivers/clk/qcom/common.h
+++ b/drivers/clk/qcom/common.h
@@ -37,6 +37,10 @@ extern const struct freq_tbl *qcom_find_freq(const struct freq_tbl *f,
extern int qcom_find_src_index(struct clk_hw *hw, const struct parent_map *map,
u8 src);
+extern int qcom_cc_register_board_clk(struct device *dev, const char *path,
+ const char *name, unsigned long rate);
+extern int qcom_cc_register_sleep_clk(struct device *dev);
+
extern struct regmap *qcom_cc_map(struct platform_device *pdev,
const struct qcom_cc_desc *desc);
extern int qcom_cc_really_probe(struct platform_device *pdev,
diff --git a/drivers/clk/qcom/gcc-apq8084.c b/drivers/clk/qcom/gcc-apq8084.c
index 1567c3a79534..cf73e539e9f6 100644
--- a/drivers/clk/qcom/gcc-apq8084.c
+++ b/drivers/clk/qcom/gcc-apq8084.c
@@ -3587,6 +3587,7 @@ static const struct regmap_config gcc_apq8084_regmap_config = {
.val_bits = 32,
.max_register = 0x1fc0,
.fast_io = true,
+ .val_format_endian = REGMAP_ENDIAN_LITTLE,
};
static const struct qcom_cc_desc gcc_apq8084_desc = {
@@ -3607,18 +3608,16 @@ 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 16fc64c082a5..b692ae881d6a 100644
--- a/drivers/clk/qcom/gcc-ipq806x.c
+++ b/drivers/clk/qcom/gcc-ipq806x.c
@@ -3005,6 +3005,7 @@ static const struct regmap_config gcc_ipq806x_regmap_config = {
.val_bits = 32,
.max_register = 0x3e40,
.fast_io = true,
+ .val_format_endian = REGMAP_ENDIAN_LITTLE,
};
static const struct qcom_cc_desc gcc_ipq806x_desc = {
@@ -3023,19 +3024,17 @@ 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 f110bb5a1df3..f6a2b14dfec4 100644
--- a/drivers/clk/qcom/gcc-msm8660.c
+++ b/drivers/clk/qcom/gcc-msm8660.c
@@ -2702,6 +2702,7 @@ static const struct regmap_config gcc_msm8660_regmap_config = {
.val_bits = 32,
.max_register = 0x363c,
.fast_io = true,
+ .val_format_endian = REGMAP_ENDIAN_LITTLE,
};
static const struct qcom_cc_desc gcc_msm8660_desc = {
@@ -2720,17 +2721,16 @@ 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-msm8916.c b/drivers/clk/qcom/gcc-msm8916.c
index d0a0313d6bef..e3bf09d7d0ef 100644
--- a/drivers/clk/qcom/gcc-msm8916.c
+++ b/drivers/clk/qcom/gcc-msm8916.c
@@ -3336,6 +3336,7 @@ static const struct regmap_config gcc_msm8916_regmap_config = {
.val_bits = 32,
.max_register = 0x80000,
.fast_io = true,
+ .val_format_endian = REGMAP_ENDIAN_LITTLE,
};
static const struct qcom_cc_desc gcc_msm8916_desc = {
@@ -3356,18 +3357,16 @@ MODULE_DEVICE_TABLE(of, gcc_msm8916_match_table);
static int gcc_msm8916_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_msm8916_desc);
}
diff --git a/drivers/clk/qcom/gcc-msm8960.c b/drivers/clk/qcom/gcc-msm8960.c
index 66c18bc97857..f31111e32d44 100644
--- a/drivers/clk/qcom/gcc-msm8960.c
+++ b/drivers/clk/qcom/gcc-msm8960.c
@@ -3468,6 +3468,7 @@ static const struct regmap_config gcc_msm8960_regmap_config = {
.val_bits = 32,
.max_register = 0x3660,
.fast_io = true,
+ .val_format_endian = REGMAP_ENDIAN_LITTLE,
};
static const struct regmap_config gcc_apq8064_regmap_config = {
@@ -3476,6 +3477,7 @@ static const struct regmap_config gcc_apq8064_regmap_config = {
.val_bits = 32,
.max_register = 0x3880,
.fast_io = true,
+ .val_format_endian = REGMAP_ENDIAN_LITTLE,
};
static const struct qcom_cc_desc gcc_msm8960_desc = {
@@ -3503,7 +3505,6 @@ 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 +3514,13 @@ 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 28abb8f8f293..df164d618e34 100644
--- a/drivers/clk/qcom/gcc-msm8974.c
+++ b/drivers/clk/qcom/gcc-msm8974.c
@@ -2680,6 +2680,7 @@ static const struct regmap_config gcc_msm8974_regmap_config = {
.val_bits = 32,
.max_register = 0x1fc0,
.fast_io = true,
+ .val_format_endian = REGMAP_ENDIAN_LITTLE,
};
static const struct qcom_cc_desc gcc_msm8974_desc = {
@@ -2717,7 +2718,7 @@ 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 +2731,13 @@ 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);
}
diff --git a/drivers/clk/qcom/lcc-ipq806x.c b/drivers/clk/qcom/lcc-ipq806x.c
index db3998e5e2d8..62e79fadd5f7 100644
--- a/drivers/clk/qcom/lcc-ipq806x.c
+++ b/drivers/clk/qcom/lcc-ipq806x.c
@@ -419,6 +419,7 @@ static const struct regmap_config lcc_ipq806x_regmap_config = {
.val_bits = 32,
.max_register = 0xfc,
.fast_io = true,
+ .val_format_endian = REGMAP_ENDIAN_LITTLE,
};
static const struct qcom_cc_desc lcc_ipq806x_desc = {
diff --git a/drivers/clk/qcom/lcc-msm8960.c b/drivers/clk/qcom/lcc-msm8960.c
index 4fcf9d1d233c..bf95bb0ea1b8 100644
--- a/drivers/clk/qcom/lcc-msm8960.c
+++ b/drivers/clk/qcom/lcc-msm8960.c
@@ -524,6 +524,7 @@ static const struct regmap_config lcc_msm8960_regmap_config = {
.val_bits = 32,
.max_register = 0xfc,
.fast_io = true,
+ .val_format_endian = REGMAP_ENDIAN_LITTLE,
};
static const struct qcom_cc_desc lcc_msm8960_desc = {
diff --git a/drivers/clk/qcom/mmcc-apq8084.c b/drivers/clk/qcom/mmcc-apq8084.c
index 30777f9f1a43..1e703fda8a0f 100644
--- a/drivers/clk/qcom/mmcc-apq8084.c
+++ b/drivers/clk/qcom/mmcc-apq8084.c
@@ -3368,6 +3368,7 @@ static const struct regmap_config mmcc_apq8084_regmap_config = {
.val_bits = 32,
.max_register = 0x5104,
.fast_io = true,
+ .val_format_endian = REGMAP_ENDIAN_LITTLE,
};
static const struct qcom_cc_desc mmcc_apq8084_desc = {
diff --git a/drivers/clk/qcom/mmcc-msm8960.c b/drivers/clk/qcom/mmcc-msm8960.c
index 00e36192a1de..d73a048d3b9d 100644
--- a/drivers/clk/qcom/mmcc-msm8960.c
+++ b/drivers/clk/qcom/mmcc-msm8960.c
@@ -3029,6 +3029,7 @@ static const struct regmap_config mmcc_msm8960_regmap_config = {
.val_bits = 32,
.max_register = 0x334,
.fast_io = true,
+ .val_format_endian = REGMAP_ENDIAN_LITTLE,
};
static const struct regmap_config mmcc_apq8064_regmap_config = {
@@ -3037,6 +3038,7 @@ static const struct regmap_config mmcc_apq8064_regmap_config = {
.val_bits = 32,
.max_register = 0x350,
.fast_io = true,
+ .val_format_endian = REGMAP_ENDIAN_LITTLE,
};
static const struct qcom_cc_desc mmcc_msm8960_desc = {
diff --git a/drivers/clk/qcom/mmcc-msm8974.c b/drivers/clk/qcom/mmcc-msm8974.c
index 9d790bcadf25..bbe28ed93669 100644
--- a/drivers/clk/qcom/mmcc-msm8974.c
+++ b/drivers/clk/qcom/mmcc-msm8974.c
@@ -2594,6 +2594,7 @@ static const struct regmap_config mmcc_msm8974_regmap_config = {
.val_bits = 32,
.max_register = 0x5104,
.fast_io = true,
+ .val_format_endian = REGMAP_ENDIAN_LITTLE,
};
static const struct qcom_cc_desc mmcc_msm8974_desc = {