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-rw-r--r--drivers/st/clk/stm32mp1_clk.c10
-rw-r--r--drivers/st/clk/stm32mp1_clkfunc.c167
-rw-r--r--drivers/st/clk/stm32mp_clkfunc.c141
3 files changed, 150 insertions, 168 deletions
diff --git a/drivers/st/clk/stm32mp1_clk.c b/drivers/st/clk/stm32mp1_clk.c
index eb2528727..e05a7ba45 100644
--- a/drivers/st/clk/stm32mp1_clk.c
+++ b/drivers/st/clk/stm32mp1_clk.c
@@ -20,7 +20,6 @@
#include <drivers/generic_delay_timer.h>
#include <drivers/st/stm32mp_clkfunc.h>
#include <drivers/st/stm32mp1_clk.h>
-#include <drivers/st/stm32mp1_clkfunc.h>
#include <drivers/st/stm32mp1_rcc.h>
#include <dt-bindings/clock/stm32mp1-clksrc.h>
#include <lib/mmio.h>
@@ -40,6 +39,15 @@
#define HSIDIV_TIMEOUT TIMEOUT_US_200MS
#define OSCRDY_TIMEOUT TIMEOUT_US_1S
+const char *stm32mp_osc_node_label[NB_OSC] = {
+ [_LSI] = "clk-lsi",
+ [_LSE] = "clk-lse",
+ [_HSI] = "clk-hsi",
+ [_HSE] = "clk-hse",
+ [_CSI] = "clk-csi",
+ [_I2S_CKIN] = "i2s_ckin",
+};
+
enum stm32mp1_parent_id {
/* Oscillators are defined in enum stm32mp_osc_id */
diff --git a/drivers/st/clk/stm32mp1_clkfunc.c b/drivers/st/clk/stm32mp1_clkfunc.c
deleted file mode 100644
index 1aa05bf55..000000000
--- a/drivers/st/clk/stm32mp1_clkfunc.c
+++ /dev/null
@@ -1,167 +0,0 @@
-/*
- * Copyright (c) 2017-2019, STMicroelectronics - All Rights Reserved
- *
- * SPDX-License-Identifier: BSD-3-Clause
- */
-
-#include <errno.h>
-
-#include <libfdt.h>
-
-#include <platform_def.h>
-
-#include <drivers/st/stm32_gpio.h>
-#include <drivers/st/stm32mp_clkfunc.h>
-#include <drivers/st/stm32mp1_clk.h>
-#include <drivers/st/stm32mp1_clkfunc.h>
-#include <dt-bindings/clock/stm32mp1-clksrc.h>
-
-const char *stm32mp_osc_node_label[NB_OSC] = {
- [_LSI] = "clk-lsi",
- [_LSE] = "clk-lse",
- [_HSI] = "clk-hsi",
- [_HSE] = "clk-hse",
- [_CSI] = "clk-csi",
- [_I2S_CKIN] = "i2s_ckin",
-};
-
-/*
- * Get the frequency of an oscillator from its name in device tree.
- * @param name: oscillator name
- * @param freq: stores the frequency of the oscillator
- * @return: 0 on success, and a negative FDT/ERRNO error code on failure.
- */
-int fdt_osc_read_freq(const char *name, uint32_t *freq)
-{
- int node, subnode;
- void *fdt;
-
- if (fdt_get_address(&fdt) == 0) {
- return -ENOENT;
- }
-
- node = fdt_path_offset(fdt, "/clocks");
- if (node < 0) {
- return -FDT_ERR_NOTFOUND;
- }
-
- fdt_for_each_subnode(subnode, fdt, node) {
- const char *cchar;
- int ret;
-
- cchar = fdt_get_name(fdt, subnode, &ret);
- if (cchar == NULL) {
- return ret;
- }
-
- if (strncmp(cchar, name, (size_t)ret) == 0) {
- const fdt32_t *cuint;
-
- cuint = fdt_getprop(fdt, subnode, "clock-frequency",
- &ret);
- if (cuint == NULL) {
- return ret;
- }
-
- *freq = fdt32_to_cpu(*cuint);
-
- return 0;
- }
- }
-
- /* Oscillator not found, freq=0 */
- *freq = 0;
- return 0;
-}
-
-/*
- * Check the presence of an oscillator property from its id.
- * @param osc_id: oscillator ID
- * @param prop_name: property name
- * @return: true/false regarding search result.
- */
-bool fdt_osc_read_bool(enum stm32mp_osc_id osc_id, const char *prop_name)
-{
- int node, subnode;
- void *fdt;
-
- if (fdt_get_address(&fdt) == 0) {
- return false;
- }
-
- if (osc_id >= NB_OSC) {
- return false;
- }
-
- node = fdt_path_offset(fdt, "/clocks");
- if (node < 0) {
- return false;
- }
-
- fdt_for_each_subnode(subnode, fdt, node) {
- const char *cchar;
- int ret;
-
- cchar = fdt_get_name(fdt, subnode, &ret);
- if (cchar == NULL) {
- return false;
- }
-
- if (strncmp(cchar, stm32mp_osc_node_label[osc_id],
- (size_t)ret) != 0) {
- continue;
- }
-
- if (fdt_getprop(fdt, subnode, prop_name, NULL) != NULL) {
- return true;
- }
- }
-
- return false;
-}
-
-/*
- * Get the value of a oscillator property from its ID.
- * @param osc_id: oscillator ID
- * @param prop_name: property name
- * @param dflt_value: default value
- * @return oscillator value on success, default value if property not found.
- */
-uint32_t fdt_osc_read_uint32_default(enum stm32mp_osc_id osc_id,
- const char *prop_name, uint32_t dflt_value)
-{
- int node, subnode;
- void *fdt;
-
- if (fdt_get_address(&fdt) == 0) {
- return dflt_value;
- }
-
- if (osc_id >= NB_OSC) {
- return dflt_value;
- }
-
- node = fdt_path_offset(fdt, "/clocks");
- if (node < 0) {
- return dflt_value;
- }
-
- fdt_for_each_subnode(subnode, fdt, node) {
- const char *cchar;
- int ret;
-
- cchar = fdt_get_name(fdt, subnode, &ret);
- if (cchar == NULL) {
- return dflt_value;
- }
-
- if (strncmp(cchar, stm32mp_osc_node_label[osc_id],
- (size_t)ret) != 0) {
- continue;
- }
-
- return fdt_read_uint32_default(subnode, prop_name, dflt_value);
- }
-
- return dflt_value;
-}
diff --git a/drivers/st/clk/stm32mp_clkfunc.c b/drivers/st/clk/stm32mp_clkfunc.c
index 16acef07b..87c8e2b84 100644
--- a/drivers/st/clk/stm32mp_clkfunc.c
+++ b/drivers/st/clk/stm32mp_clkfunc.c
@@ -16,6 +16,147 @@
#define DT_STGEN_COMPAT "st,stm32-stgen"
/*
+ * Get the frequency of an oscillator from its name in device tree.
+ * @param name: oscillator name
+ * @param freq: stores the frequency of the oscillator
+ * @return: 0 on success, and a negative FDT/ERRNO error code on failure.
+ */
+int fdt_osc_read_freq(const char *name, uint32_t *freq)
+{
+ int node, subnode;
+ void *fdt;
+
+ if (fdt_get_address(&fdt) == 0) {
+ return -ENOENT;
+ }
+
+ node = fdt_path_offset(fdt, "/clocks");
+ if (node < 0) {
+ return -FDT_ERR_NOTFOUND;
+ }
+
+ fdt_for_each_subnode(subnode, fdt, node) {
+ const char *cchar;
+ int ret;
+
+ cchar = fdt_get_name(fdt, subnode, &ret);
+ if (cchar == NULL) {
+ return ret;
+ }
+
+ if (strncmp(cchar, name, (size_t)ret) == 0) {
+ const fdt32_t *cuint;
+
+ cuint = fdt_getprop(fdt, subnode, "clock-frequency",
+ &ret);
+ if (cuint == NULL) {
+ return ret;
+ }
+
+ *freq = fdt32_to_cpu(*cuint);
+
+ return 0;
+ }
+ }
+
+ /* Oscillator not found, freq=0 */
+ *freq = 0;
+ return 0;
+}
+
+/*
+ * Check the presence of an oscillator property from its id.
+ * @param osc_id: oscillator ID
+ * @param prop_name: property name
+ * @return: true/false regarding search result.
+ */
+bool fdt_osc_read_bool(enum stm32mp_osc_id osc_id, const char *prop_name)
+{
+ int node, subnode;
+ void *fdt;
+
+ if (fdt_get_address(&fdt) == 0) {
+ return false;
+ }
+
+ if (osc_id >= NB_OSC) {
+ return false;
+ }
+
+ node = fdt_path_offset(fdt, "/clocks");
+ if (node < 0) {
+ return false;
+ }
+
+ fdt_for_each_subnode(subnode, fdt, node) {
+ const char *cchar;
+ int ret;
+
+ cchar = fdt_get_name(fdt, subnode, &ret);
+ if (cchar == NULL) {
+ return false;
+ }
+
+ if (strncmp(cchar, stm32mp_osc_node_label[osc_id],
+ (size_t)ret) != 0) {
+ continue;
+ }
+
+ if (fdt_getprop(fdt, subnode, prop_name, NULL) != NULL) {
+ return true;
+ }
+ }
+
+ return false;
+}
+
+/*
+ * Get the value of a oscillator property from its ID.
+ * @param osc_id: oscillator ID
+ * @param prop_name: property name
+ * @param dflt_value: default value
+ * @return oscillator value on success, default value if property not found.
+ */
+uint32_t fdt_osc_read_uint32_default(enum stm32mp_osc_id osc_id,
+ const char *prop_name, uint32_t dflt_value)
+{
+ int node, subnode;
+ void *fdt;
+
+ if (fdt_get_address(&fdt) == 0) {
+ return dflt_value;
+ }
+
+ if (osc_id >= NB_OSC) {
+ return dflt_value;
+ }
+
+ node = fdt_path_offset(fdt, "/clocks");
+ if (node < 0) {
+ return dflt_value;
+ }
+
+ fdt_for_each_subnode(subnode, fdt, node) {
+ const char *cchar;
+ int ret;
+
+ cchar = fdt_get_name(fdt, subnode, &ret);
+ if (cchar == NULL) {
+ return dflt_value;
+ }
+
+ if (strncmp(cchar, stm32mp_osc_node_label[osc_id],
+ (size_t)ret) != 0) {
+ continue;
+ }
+
+ return fdt_read_uint32_default(subnode, prop_name, dflt_value);
+ }
+
+ return dflt_value;
+}
+
+/*
* Get the RCC node offset from the device tree
* @param fdt: Device tree reference
* @return: Node offset or a negative value on error
generated by cgit v1.2.3 (git 2.25.1) at 2025-06-15 16:54:18 +0000