97 lines
2.3 KiB
C
97 lines
2.3 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
/*
|
|
* Copyright (c) 2022 MediaTek Inc.
|
|
* Author: Chuan-Wen Chen <chuan-wen.chen@mediatek.com>
|
|
*/
|
|
|
|
#include <linux/clk-provider.h>
|
|
#include <linux/module.h>
|
|
#include <linux/platform_device.h>
|
|
|
|
#include "clk-mtk.h"
|
|
#include "clk-gate.h"
|
|
|
|
#include <dt-bindings/clock/mt6835-clk.h>
|
|
|
|
#define MT_CCF_BRINGUP 1
|
|
|
|
/* Regular Number Definition */
|
|
#define INV_OFS -1
|
|
#define INV_BIT -1
|
|
|
|
static const struct mtk_gate_regs scp_iic_cg_regs = {
|
|
.set_ofs = 0xE18,
|
|
.clr_ofs = 0xE14,
|
|
.sta_ofs = 0xE10,
|
|
};
|
|
|
|
#define GATE_SCP_IIC(_id, _name, _parent, _shift) { \
|
|
.id = _id, \
|
|
.name = _name, \
|
|
.parent_name = _parent, \
|
|
.regs = &scp_iic_cg_regs, \
|
|
.shift = _shift, \
|
|
.ops = &mtk_clk_gate_ops_setclr, \
|
|
}
|
|
|
|
static const struct mtk_gate scp_iic_clks[] = {
|
|
GATE_SCP_IIC(CLK_SCP_IIC_AP_CLOCK_I2C0, "scp_iic_i2c0",
|
|
"ulposc_ck"/* parent */, 0),
|
|
GATE_SCP_IIC(CLK_SCP_IIC_AP_CLOCK_I2C1, "scp_iic_i2c1",
|
|
"ulposc_ck"/* parent */, 1),
|
|
GATE_SCP_IIC(CLK_SCP_IIC_AP_CLOCK_I2C2, "scp_iic_i2c2",
|
|
"ulposc_ck"/* parent */, 2),
|
|
GATE_SCP_IIC(CLK_SCP_IIC_AP_CLOCK_I2C3, "scp_iic_i2c3",
|
|
"ulposc_ck"/* parent */, 3),
|
|
GATE_SCP_IIC(CLK_SCP_IIC_AP_CLOCK_I2C4, "scp_iic_i2c4",
|
|
"ulposc_ck"/* parent */, 4),
|
|
GATE_SCP_IIC(CLK_SCP_IIC_AP_CLOCK_I2C5, "scp_iic_i2c5",
|
|
"ulposc_ck"/* parent */, 5),
|
|
GATE_SCP_IIC(CLK_SCP_IIC_AP_CLOCK_I2C6, "scp_iic_i2c6",
|
|
"ulposc_ck"/* parent */, 6),
|
|
};
|
|
|
|
static const struct mtk_clk_desc scp_iic_mcd = {
|
|
.clks = scp_iic_clks,
|
|
.num_clks = CLK_SCP_IIC_NR_CLK,
|
|
};
|
|
|
|
static int clk_mt6835_scp_iic_probe(struct platform_device *pdev)
|
|
{
|
|
int r;
|
|
|
|
#if MT_CCF_BRINGUP
|
|
pr_notice("%s init begin\n", __func__);
|
|
#endif
|
|
|
|
r = mtk_clk_simple_probe(pdev);
|
|
if (r)
|
|
dev_err(&pdev->dev,
|
|
"could not register clock provider: %s: %d\n",
|
|
pdev->name, r);
|
|
|
|
#if MT_CCF_BRINGUP
|
|
pr_notice("%s init end\n", __func__);
|
|
#endif
|
|
|
|
return r;
|
|
}
|
|
|
|
static const struct of_device_id of_match_clk_mt6835_scp_iic[] = {
|
|
{
|
|
.compatible = "mediatek,mt6835-scp_iic",
|
|
.data = &scp_iic_mcd,
|
|
},
|
|
{}
|
|
};
|
|
|
|
static struct platform_driver clk_mt6835_scp_iic_drv = {
|
|
.probe = clk_mt6835_scp_iic_probe,
|
|
.driver = {
|
|
.name = "clk-mt6835-scp_iic",
|
|
.of_match_table = of_match_clk_mt6835_scp_iic,
|
|
},
|
|
};
|
|
|
|
module_platform_driver(clk_mt6835_scp_iic_drv);
|
|
MODULE_LICENSE("GPL");
|