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clk: en7523: Add en_clk_soc_data data structure

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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>
This commit is contained in:
Lorenzo Bianconi 2024-04-06 12:43:43 +02:00 committed by Stephen Boyd
parent 0a382be005
commit 457e74667f
1 changed files with 21 additions and 13 deletions
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34
drivers/clk/clk-en7523.c
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@ -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 = {