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authorLorenzo Bianconi <lorenzo@kernel.org>2024-04-06 13:43:43 +0300
committerStephen Boyd <sboyd@kernel.org>2024-04-11 06:43:53 +0300
commit457e74667f452d7f071ad2b2d9313ec62ebc4b02 (patch)
tree35b509b16bf1b4ee5f71ce16037f7e8796321ac4 /drivers/clk/clk-en7523.c
parent0a382be005cf8e7ac1b6ed25f47c2f599b1ff6af (diff)
downloadlinux-457e74667f452d7f071ad2b2d9313ec62ebc4b02.tar.xz
clk: en7523: Add en_clk_soc_data data structure
Introduce en_clk_soc_data data structure in order to define multiple clk_ops for each supported SoC. This is a preliminary patch to introduce EN7581 clock support. Tested-by: Zhengping Zhang <zhengping.zhang@airoha.com> Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Link: https://lore.kernel.org/r/562a0da8d7874a02a324687c152c87a1549924bd.1712399981.git.lorenzo@kernel.org Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Diffstat (limited to 'drivers/clk/clk-en7523.c')
-rw-r--r--drivers/clk/clk-en7523.c34
1 files changed, 21 insertions, 13 deletions
diff --git a/drivers/clk/clk-en7523.c b/drivers/clk/clk-en7523.c
index 7cde328495e2..3fac049c2518 100644
--- a/drivers/clk/clk-en7523.c
+++ b/drivers/clk/clk-en7523.c
@@ -3,8 +3,8 @@
#include <linux/delay.h>
#include <linux/clk-provider.h>
#include <linux/io.h>
-#include <linux/of.h>
#include <linux/platform_device.h>
+#include <linux/property.h>
#include <dt-bindings/clock/en7523-clk.h>
#define REG_PCI_CONTROL 0x88
@@ -47,6 +47,10 @@ struct en_clk_gate {
struct clk_hw hw;
};
+struct en_clk_soc_data {
+ const struct clk_ops pcie_ops;
+};
+
static const u32 gsw_base[] = { 400000000, 500000000 };
static const u32 emi_base[] = { 333000000, 400000000 };
static const u32 bus_base[] = { 500000000, 540000000 };
@@ -145,11 +149,6 @@ static const struct en_clk_desc en7523_base_clks[] = {
}
};
-static const struct of_device_id of_match_clk_en7523[] = {
- { .compatible = "airoha,en7523-scu", },
- { /* sentinel */ }
-};
-
static unsigned int en7523_get_base_rate(void __iomem *base, unsigned int i)
{
const struct en_clk_desc *desc = &en7523_base_clks[i];
@@ -247,14 +246,10 @@ static void en7523_pci_unprepare(struct clk_hw *hw)
static struct clk_hw *en7523_register_pcie_clk(struct device *dev,
void __iomem *np_base)
{
- static const struct clk_ops pcie_gate_ops = {
- .is_enabled = en7523_pci_is_enabled,
- .prepare = en7523_pci_prepare,
- .unprepare = en7523_pci_unprepare,
- };
+ const struct en_clk_soc_data *soc_data = device_get_match_data(dev);
struct clk_init_data init = {
.name = "pcie",
- .ops = &pcie_gate_ops,
+ .ops = &soc_data->pcie_ops,
};
struct en_clk_gate *cg;
@@ -264,7 +259,7 @@ static struct clk_hw *en7523_register_pcie_clk(struct device *dev,
cg->base = np_base;
cg->hw.init = &init;
- en7523_pci_unprepare(&cg->hw);
+ init.ops->unprepare(&cg->hw);
if (clk_hw_register(dev, &cg->hw))
return NULL;
@@ -333,6 +328,19 @@ static int en7523_clk_probe(struct platform_device *pdev)
return r;
}
+static const struct en_clk_soc_data en7523_data = {
+ .pcie_ops = {
+ .is_enabled = en7523_pci_is_enabled,
+ .prepare = en7523_pci_prepare,
+ .unprepare = en7523_pci_unprepare,
+ },
+};
+
+static const struct of_device_id of_match_clk_en7523[] = {
+ { .compatible = "airoha,en7523-scu", .data = &en7523_data },
+ { /* sentinel */ }
+};
+
static struct platform_driver clk_en7523_drv = {
.probe = en7523_clk_probe,
.driver = {