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// 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);
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