Commit 457e7466 authored by Lorenzo Bianconi's avatar Lorenzo Bianconi Committed by Stephen Boyd
Browse files

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: default avatarZhengping Zhang <zhengping.zhang@airoha.com>
Signed-off-by: default avatarLorenzo Bianconi <lorenzo@kernel.org>
Link: https://lore.kernel.org/r/562a0da8d7874a02a324687c152c87a1549924bd.1712399981.git.lorenzo@kernel.org


Signed-off-by: default avatarStephen Boyd <sboyd@kernel.org>
parent 0a382be0

drivers/clk/clk-en7523.c

+21 −13
Original line number Diff line number Diff line
@@ -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 = {