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// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (c) 2019 MediaTek Inc.
* Author: Wendell Lin <wendell.lin@mediatek.com>
*/
#include <linux/clk-provider.h>
#include <linux/platform_device.h>
#include <dt-bindings/clock/mt6779-clk.h>
#include "clk-mtk.h"
#include "clk-gate.h"
static const struct mtk_gate_regs cam_cg_regs = {
.set_ofs = 0x0004,
.clr_ofs = 0x0008,
.sta_ofs = 0x0000,
};
#define GATE_CAM(_id, _name, _parent, _shift) \
GATE_MTK(_id, _name, _parent, &cam_cg_regs, _shift, \
&mtk_clk_gate_ops_setclr)
static const struct mtk_gate cam_clks[] = {
GATE_CAM(CLK_CAM_LARB10, "camsys_larb10", "cam_sel", 0),
GATE_CAM(CLK_CAM_DFP_VAD, "camsys_dfp_vad", "cam_sel", 1),
GATE_CAM(CLK_CAM_LARB11, "camsys_larb11", "cam_sel", 2),
GATE_CAM(CLK_CAM_LARB9, "camsys_larb9", "cam_sel", 3),
GATE_CAM(CLK_CAM_CAM, "camsys_cam", "cam_sel", 6),
GATE_CAM(CLK_CAM_CAMTG, "camsys_camtg", "cam_sel", 7),
GATE_CAM(CLK_CAM_SENINF, "camsys_seninf", "cam_sel", 8),
GATE_CAM(CLK_CAM_CAMSV0, "camsys_camsv0", "cam_sel", 9),
GATE_CAM(CLK_CAM_CAMSV1, "camsys_camsv1", "cam_sel", 10),
GATE_CAM(CLK_CAM_CAMSV2, "camsys_camsv2", "cam_sel", 11),
GATE_CAM(CLK_CAM_CAMSV3, "camsys_camsv3", "cam_sel", 12),
GATE_CAM(CLK_CAM_CCU, "camsys_ccu", "cam_sel", 13),
GATE_CAM(CLK_CAM_FAKE_ENG, "camsys_fake_eng", "cam_sel", 14),
};
static const struct of_device_id of_match_clk_mt6779_cam[] = {
{ .compatible = "mediatek,mt6779-camsys", },
{}
};
static int clk_mt6779_cam_probe(struct platform_device *pdev)
{
struct clk_onecell_data *clk_data;
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);
return of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
}
static struct platform_driver clk_mt6779_cam_drv = {
.probe = clk_mt6779_cam_probe,
.driver = {
.name = "clk-mt6779-cam",
.of_match_table = of_match_clk_mt6779_cam,
},
};
builtin_platform_driver(clk_mt6779_cam_drv);
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