mirror of https://gitee.com/openkylin/linux.git
59 lines
1.5 KiB
C
59 lines
1.5 KiB
C
// 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 "clk-mtk.h"
|
|
#include "clk-gate.h"
|
|
|
|
#include <dt-bindings/clock/mt6779-clk.h>
|
|
|
|
static const struct mtk_gate_regs venc_cg_regs = {
|
|
.set_ofs = 0x0004,
|
|
.clr_ofs = 0x0008,
|
|
.sta_ofs = 0x0000,
|
|
};
|
|
|
|
#define GATE_VENC_I(_id, _name, _parent, _shift) \
|
|
GATE_MTK(_id, _name, _parent, &venc_cg_regs, _shift, \
|
|
&mtk_clk_gate_ops_setclr_inv)
|
|
|
|
static const struct mtk_gate venc_clks[] = {
|
|
GATE_VENC_I(CLK_VENC_GCON_LARB, "venc_larb", "venc_sel", 0),
|
|
GATE_VENC_I(CLK_VENC_GCON_VENC, "venc_venc", "venc_sel", 4),
|
|
GATE_VENC_I(CLK_VENC_GCON_JPGENC, "venc_jpgenc", "venc_sel", 8),
|
|
GATE_VENC_I(CLK_VENC_GCON_GALS, "venc_gals", "venc_sel", 28),
|
|
};
|
|
|
|
static const struct of_device_id of_match_clk_mt6779_venc[] = {
|
|
{ .compatible = "mediatek,mt6779-vencsys", },
|
|
{}
|
|
};
|
|
|
|
static int clk_mt6779_venc_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_VENC_GCON_NR_CLK);
|
|
|
|
mtk_clk_register_gates(node, venc_clks, ARRAY_SIZE(venc_clks),
|
|
clk_data);
|
|
|
|
return of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
|
|
}
|
|
|
|
static struct platform_driver clk_mt6779_venc_drv = {
|
|
.probe = clk_mt6779_venc_probe,
|
|
.driver = {
|
|
.name = "clk-mt6779-venc",
|
|
.of_match_table = of_match_clk_mt6779_venc,
|
|
},
|
|
};
|
|
|
|
builtin_platform_driver(clk_mt6779_venc_drv);
|