mirror of https://gitee.com/openkylin/linux.git
75 lines
1.8 KiB
C
75 lines
1.8 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
/*
|
|
* Copyright (c) 2018 MediaTek Inc.
|
|
* Author: Owen Chen <owen.chen@mediatek.com>
|
|
*/
|
|
|
|
#include <linux/clk-provider.h>
|
|
#include <linux/platform_device.h>
|
|
|
|
#include "clk-mtk.h"
|
|
#include "clk-gate.h"
|
|
|
|
#include <dt-bindings/clock/mt6765-clk.h>
|
|
|
|
static const struct mtk_gate_regs cam_cg_regs = {
|
|
.set_ofs = 0x4,
|
|
.clr_ofs = 0x8,
|
|
.sta_ofs = 0x0,
|
|
};
|
|
|
|
#define GATE_CAM(_id, _name, _parent, _shift) { \
|
|
.id = _id, \
|
|
.name = _name, \
|
|
.parent_name = _parent, \
|
|
.regs = &cam_cg_regs, \
|
|
.shift = _shift, \
|
|
.ops = &mtk_clk_gate_ops_setclr, \
|
|
}
|
|
|
|
static const struct mtk_gate cam_clks[] = {
|
|
GATE_CAM(CLK_CAM_LARB3, "cam_larb3", "mm_ck", 0),
|
|
GATE_CAM(CLK_CAM_DFP_VAD, "cam_dfp_vad", "mm_ck", 1),
|
|
GATE_CAM(CLK_CAM, "cam", "mm_ck", 6),
|
|
GATE_CAM(CLK_CAMTG, "camtg", "mm_ck", 7),
|
|
GATE_CAM(CLK_CAM_SENINF, "cam_seninf", "mm_ck", 8),
|
|
GATE_CAM(CLK_CAMSV0, "camsv0", "mm_ck", 9),
|
|
GATE_CAM(CLK_CAMSV1, "camsv1", "mm_ck", 10),
|
|
GATE_CAM(CLK_CAMSV2, "camsv2", "mm_ck", 11),
|
|
GATE_CAM(CLK_CAM_CCU, "cam_ccu", "mm_ck", 12),
|
|
};
|
|
|
|
static int clk_mt6765_cam_probe(struct platform_device *pdev)
|
|
{
|
|
struct clk_onecell_data *clk_data;
|
|
int r;
|
|
struct device_node *node = pdev->dev.of_node;
|
|
|
|
clk_data = mtk_alloc_clk_data(CLK_CAM_NR_CLK);
|
|
|
|
mtk_clk_register_gates(node, cam_clks, ARRAY_SIZE(cam_clks), clk_data);
|
|
|
|
r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
|
|
|
|
if (r)
|
|
pr_err("%s(): could not register clock provider: %d\n",
|
|
__func__, r);
|
|
|
|
return r;
|
|
}
|
|
|
|
static const struct of_device_id of_match_clk_mt6765_cam[] = {
|
|
{ .compatible = "mediatek,mt6765-camsys", },
|
|
{}
|
|
};
|
|
|
|
static struct platform_driver clk_mt6765_cam_drv = {
|
|
.probe = clk_mt6765_cam_probe,
|
|
.driver = {
|
|
.name = "clk-mt6765-cam",
|
|
.of_match_table = of_match_clk_mt6765_cam,
|
|
},
|
|
};
|
|
|
|
builtin_platform_driver(clk_mt6765_cam_drv);
|