95 строки
2.4 KiB
C
95 строки
2.4 KiB
C
|
/*
|
||
|
|
* Copyright (c) 2017 MediaTek Inc.
|
||
|
|
* Author: Weiyi Lu <weiyi.lu@mediatek.com>
|
||
|
|
*
|
||
|
|
* This program is free software; you can redistribute it and/or modify
|
||
|
|
* it under the terms of the GNU General Public License version 2 as
|
||
|
|
* published by the Free Software Foundation.
|
||
|
|
*
|
||
|
|
* This program is distributed in the hope that it will be useful,
|
||
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
* GNU General Public License for more details.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <linux/clk-provider.h>
|
||
|
|
#include <linux/platform_device.h>
|
||
|
|
|
||
|
|
#include "clk-mtk.h"
|
||
|
|
#include "clk-gate.h"
|
||
|
|
|
||
|
|
#include <dt-bindings/clock/mt2712-clk.h>
|
||
|
|
|
||
|
|
static const struct mtk_gate_regs vdec0_cg_regs = {
|
||
|
|
.set_ofs = 0x0,
|
||
|
|
.clr_ofs = 0x4,
|
||
|
|
.sta_ofs = 0x0,
|
||
|
|
};
|
||
|
|
|
||
|
|
static const struct mtk_gate_regs vdec1_cg_regs = {
|
||
|
|
.set_ofs = 0x8,
|
||
|
|
.clr_ofs = 0xc,
|
||
|
|
.sta_ofs = 0x8,
|
||
|
|
};
|
||
|
|
|
||
|
|
#define GATE_VDEC0(_id, _name, _parent, _shift) { \
|
||
|
|
.id = _id, \
|
||
|
|
.name = _name, \
|
||
|
|
.parent_name = _parent, \
|
||
|
|
.regs = &vdec0_cg_regs, \
|
||
|
|
.shift = _shift, \
|
||
|
|
.ops = &mtk_clk_gate_ops_setclr_inv, \
|
||
|
|
}
|
||
|
|
|
||
|
|
#define GATE_VDEC1(_id, _name, _parent, _shift) { \
|
||
|
|
.id = _id, \
|
||
|
|
.name = _name, \
|
||
|
|
.parent_name = _parent, \
|
||
|
|
.regs = &vdec1_cg_regs, \
|
||
|
|
.shift = _shift, \
|
||
|
|
.ops = &mtk_clk_gate_ops_setclr_inv, \
|
||
|
|
}
|
||
|
|
|
||
|
|
static const struct mtk_gate vdec_clks[] = {
|
||
|
|
/* VDEC0 */
|
||
|
|
GATE_VDEC0(CLK_VDEC_CKEN, "vdec_cken", "vdec_sel", 0),
|
||
|
|
/* VDEC1 */
|
||
|
|
GATE_VDEC1(CLK_VDEC_LARB1_CKEN, "vdec_larb1_cken", "vdec_sel", 0),
|
||
|
|
GATE_VDEC1(CLK_VDEC_IMGRZ_CKEN, "vdec_imgrz_cken", "vdec_sel", 1),
|
||
|
|
};
|
||
|
|
|
||
|
|
static int clk_mt2712_vdec_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_VDEC_NR_CLK);
|
||
|
|
|
||
|
|
mtk_clk_register_gates(node, vdec_clks, ARRAY_SIZE(vdec_clks),
|
||
|
|
clk_data);
|
||
|
|
|
||
|
|
r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
|
||
|
|
|
||
|
|
if (r != 0)
|
||
|
|
pr_err("%s(): could not register clock provider: %d\n",
|
||
|
|
__func__, r);
|
||
|
|
|
||
|
|
return r;
|
||
|
|
}
|
||
|
|
|
||
|
|
static const struct of_device_id of_match_clk_mt2712_vdec[] = {
|
||
|
|
{ .compatible = "mediatek,mt2712-vdecsys", },
|
||
|
|
{}
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct platform_driver clk_mt2712_vdec_drv = {
|
||
|
|
.probe = clk_mt2712_vdec_probe,
|
||
|
|
.driver = {
|
||
|
|
.name = "clk-mt2712-vdec",
|
||
|
|
.of_match_table = of_match_clk_mt2712_vdec,
|
||
|
|
},
|
||
|
|
};
|
||
|
|
|
||
|
|
builtin_platform_driver(clk_mt2712_vdec_drv);
|