From 61598093bbdd283a7edc367d900f223070ead8d2 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 07:43:03 +0000
Subject: [PATCH] add ax88772C AX88772C_eeprom_tools
---
kernel/drivers/clk/ti/clk.c | 108 ++++++++++++++++++++++++++++++++++++++++++++++++------
1 files changed, 96 insertions(+), 12 deletions(-)
diff --git a/kernel/drivers/clk/ti/clk.c b/kernel/drivers/clk/ti/clk.c
index 0cc87c6..29eafab 100644
--- a/kernel/drivers/clk/ti/clk.c
+++ b/kernel/drivers/clk/ti/clk.c
@@ -19,11 +19,12 @@
#include <linux/clk-provider.h>
#include <linux/clkdev.h>
#include <linux/clk/ti.h>
+#include <linux/io.h>
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/list.h>
#include <linux/regmap.h>
-#include <linux/bootmem.h>
+#include <linux/memblock.h>
#include <linux/device.h>
#include "clock.h"
@@ -31,10 +32,11 @@
#undef pr_fmt
#define pr_fmt(fmt) "%s: " fmt, __func__
+static LIST_HEAD(clk_hw_omap_clocks);
struct ti_clk_ll_ops *ti_clk_ll_ops;
static struct device_node *clocks_node_ptr[CLK_MAX_MEMMAPS];
-static struct ti_clk_features ti_clk_features;
+struct ti_clk_features ti_clk_features;
struct clk_iomap {
struct regmap *regmap;
@@ -129,7 +131,7 @@
void __init ti_dt_clocks_register(struct ti_dt_clk oclks[])
{
struct ti_dt_clk *c;
- struct device_node *node, *parent;
+ struct device_node *node, *parent, *child;
struct clk *clk;
struct of_phandle_args clkspec;
char buf[64];
@@ -140,6 +142,9 @@
int ret;
static bool clkctrl_nodes_missing;
static bool has_clkctrl_data;
+ static bool compat_mode;
+
+ compat_mode = ti_clk_get_features()->flags & TI_CLK_CLKCTRL_COMPAT;
for (c = oclks; c->node_name != NULL; c++) {
strcpy(buf, c->node_name);
@@ -164,10 +169,15 @@
continue;
node = of_find_node_by_name(NULL, buf);
- if (num_args) {
+ if (num_args && compat_mode) {
parent = node;
- node = of_get_child_by_name(parent, "clk");
- of_node_put(parent);
+ child = of_get_child_by_name(parent, "clock");
+ if (!child)
+ child = of_get_child_by_name(parent, "clk");
+ if (child) {
+ of_node_put(parent);
+ node = child;
+ }
}
clkspec.np = node;
@@ -232,7 +242,7 @@
{
struct clk_init_item *retry;
- pr_debug("%s: adding to retry list...\n", node->name);
+ pr_debug("%pOFn: adding to retry list...\n", node);
retry = kzalloc(sizeof(*retry), GFP_KERNEL);
if (!retry)
return -ENOMEM;
@@ -267,14 +277,14 @@
}
if (i == CLK_MAX_MEMMAPS) {
- pr_err("clk-provider not found for %s!\n", node->name);
+ pr_err("clk-provider not found for %pOFn!\n", node);
return -ENOENT;
}
reg->index = i;
if (of_property_read_u32_index(node, "reg", index, &val)) {
- pr_err("%s must have reg[%d]!\n", node->name, index);
+ pr_err("%pOFn must have reg[%d]!\n", node, index);
return -EINVAL;
}
@@ -321,7 +331,7 @@
/* get clocks for this parent */
clocks = of_get_child_by_name(parent, "clocks");
if (!clocks) {
- pr_err("%s missing 'clocks' child node.\n", parent->name);
+ pr_err("%pOFn missing 'clocks' child node.\n", parent);
return -EINVAL;
}
@@ -351,7 +361,10 @@
{
struct clk_iomap *io;
- io = memblock_virt_alloc(sizeof(*io), 0);
+ io = memblock_alloc(sizeof(*io), SMP_CACHE_BYTES);
+ if (!io)
+ panic("%s: Failed to allocate %zu bytes\n", __func__,
+ sizeof(*io));
io->mem = mem;
@@ -374,7 +387,7 @@
while (!list_empty(&retry_list) && retries) {
list_for_each_entry_safe(retry, tmp, &retry_list, link) {
- pr_debug("retry-init: %s\n", retry->node->name);
+ pr_debug("retry-init: %pOFn\n", retry->node);
retry->func(retry->user, retry->node);
list_del(&retry->link);
kfree(retry);
@@ -518,3 +531,74 @@
return clk;
}
+
+/**
+ * ti_clk_register_omap_hw - register a clk_hw_omap to the clock framework
+ * @dev: device for this clock
+ * @hw: hardware clock handle
+ * @con: connection ID for this clock
+ *
+ * Registers a clk_hw_omap clock to the clock framewor, adds a clock alias
+ * for it, and adds the list to the available clk_hw_omap type clocks.
+ * Returns a handle to the registered clock if successful, ERR_PTR value
+ * in failure.
+ */
+struct clk *ti_clk_register_omap_hw(struct device *dev, struct clk_hw *hw,
+ const char *con)
+{
+ struct clk *clk;
+ struct clk_hw_omap *oclk;
+
+ clk = ti_clk_register(dev, hw, con);
+ if (IS_ERR(clk))
+ return clk;
+
+ oclk = to_clk_hw_omap(hw);
+
+ list_add(&oclk->node, &clk_hw_omap_clocks);
+
+ return clk;
+}
+
+/**
+ * omap2_clk_for_each - call function for each registered clk_hw_omap
+ * @fn: pointer to a callback function
+ *
+ * Call @fn for each registered clk_hw_omap, passing @hw to each
+ * function. @fn must return 0 for success or any other value for
+ * failure. If @fn returns non-zero, the iteration across clocks
+ * will stop and the non-zero return value will be passed to the
+ * caller of omap2_clk_for_each().
+ */
+int omap2_clk_for_each(int (*fn)(struct clk_hw_omap *hw))
+{
+ int ret;
+ struct clk_hw_omap *hw;
+
+ list_for_each_entry(hw, &clk_hw_omap_clocks, node) {
+ ret = (*fn)(hw);
+ if (ret)
+ break;
+ }
+
+ return ret;
+}
+
+/**
+ * omap2_clk_is_hw_omap - check if the provided clk_hw is OMAP clock
+ * @hw: clk_hw to check if it is an omap clock or not
+ *
+ * Checks if the provided clk_hw is OMAP clock or not. Returns true if
+ * it is, false otherwise.
+ */
+bool omap2_clk_is_hw_omap(struct clk_hw *hw)
+{
+ struct clk_hw_omap *oclk;
+
+ list_for_each_entry(oclk, &clk_hw_omap_clocks, node) {
+ if (&oclk->hw == hw)
+ return true;
+ }
+
+ return false;
+}
--
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