linux/drivers/clk/mediatek/clk-mt8192-mdp.c
Chun-Jie Chen b565d41f8c clk: mediatek: Add MT8192 mdpsys clock support
Add MT8192 mdpsys clock provider

Signed-off-by: Weiyi Lu <weiyi.lu@mediatek.com>
Signed-off-by: Chun-Jie Chen <chun-jie.chen@mediatek.com>
Link: https://lore.kernel.org/r/20210726105719.15793-16-chun-jie.chen@mediatek.com
Reviewed-by: Ikjoon Jang <ikjn@chromium.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-07-27 10:53:09 -07:00

83 lines
2.7 KiB
C

// SPDX-License-Identifier: GPL-2.0-only
//
// Copyright (c) 2021 MediaTek Inc.
// Author: Chun-Jie Chen <chun-jie.chen@mediatek.com>
#include <linux/clk-provider.h>
#include <linux/of_device.h>
#include <linux/platform_device.h>
#include "clk-mtk.h"
#include "clk-gate.h"
#include <dt-bindings/clock/mt8192-clk.h>
static const struct mtk_gate_regs mdp0_cg_regs = {
.set_ofs = 0x104,
.clr_ofs = 0x108,
.sta_ofs = 0x100,
};
static const struct mtk_gate_regs mdp1_cg_regs = {
.set_ofs = 0x124,
.clr_ofs = 0x128,
.sta_ofs = 0x120,
};
#define GATE_MDP0(_id, _name, _parent, _shift) \
GATE_MTK(_id, _name, _parent, &mdp0_cg_regs, _shift, &mtk_clk_gate_ops_setclr)
#define GATE_MDP1(_id, _name, _parent, _shift) \
GATE_MTK(_id, _name, _parent, &mdp1_cg_regs, _shift, &mtk_clk_gate_ops_setclr)
static const struct mtk_gate mdp_clks[] = {
/* MDP0 */
GATE_MDP0(CLK_MDP_RDMA0, "mdp_mdp_rdma0", "mdp_sel", 0),
GATE_MDP0(CLK_MDP_TDSHP0, "mdp_mdp_tdshp0", "mdp_sel", 1),
GATE_MDP0(CLK_MDP_IMG_DL_ASYNC0, "mdp_img_dl_async0", "mdp_sel", 2),
GATE_MDP0(CLK_MDP_IMG_DL_ASYNC1, "mdp_img_dl_async1", "mdp_sel", 3),
GATE_MDP0(CLK_MDP_RDMA1, "mdp_mdp_rdma1", "mdp_sel", 4),
GATE_MDP0(CLK_MDP_TDSHP1, "mdp_mdp_tdshp1", "mdp_sel", 5),
GATE_MDP0(CLK_MDP_SMI0, "mdp_smi0", "mdp_sel", 6),
GATE_MDP0(CLK_MDP_APB_BUS, "mdp_apb_bus", "mdp_sel", 7),
GATE_MDP0(CLK_MDP_WROT0, "mdp_mdp_wrot0", "mdp_sel", 8),
GATE_MDP0(CLK_MDP_RSZ0, "mdp_mdp_rsz0", "mdp_sel", 9),
GATE_MDP0(CLK_MDP_HDR0, "mdp_mdp_hdr0", "mdp_sel", 10),
GATE_MDP0(CLK_MDP_MUTEX0, "mdp_mdp_mutex0", "mdp_sel", 11),
GATE_MDP0(CLK_MDP_WROT1, "mdp_mdp_wrot1", "mdp_sel", 12),
GATE_MDP0(CLK_MDP_RSZ1, "mdp_mdp_rsz1", "mdp_sel", 13),
GATE_MDP0(CLK_MDP_HDR1, "mdp_mdp_hdr1", "mdp_sel", 14),
GATE_MDP0(CLK_MDP_FAKE_ENG0, "mdp_mdp_fake_eng0", "mdp_sel", 15),
GATE_MDP0(CLK_MDP_AAL0, "mdp_mdp_aal0", "mdp_sel", 16),
GATE_MDP0(CLK_MDP_AAL1, "mdp_mdp_aal1", "mdp_sel", 17),
GATE_MDP0(CLK_MDP_COLOR0, "mdp_mdp_color0", "mdp_sel", 18),
GATE_MDP0(CLK_MDP_COLOR1, "mdp_mdp_color1", "mdp_sel", 19),
/* MDP1 */
GATE_MDP1(CLK_MDP_IMG_DL_RELAY0_ASYNC0, "mdp_img_dl_relay0_async0", "mdp_sel", 0),
GATE_MDP1(CLK_MDP_IMG_DL_RELAY1_ASYNC1, "mdp_img_dl_relay1_async1", "mdp_sel", 8),
};
static const struct mtk_clk_desc mdp_desc = {
.clks = mdp_clks,
.num_clks = ARRAY_SIZE(mdp_clks),
};
static const struct of_device_id of_match_clk_mt8192_mdp[] = {
{
.compatible = "mediatek,mt8192-mdpsys",
.data = &mdp_desc,
}, {
/* sentinel */
}
};
static struct platform_driver clk_mt8192_mdp_drv = {
.probe = mtk_clk_simple_probe,
.driver = {
.name = "clk-mt8192-mdp",
.of_match_table = of_match_clk_mt8192_mdp,
},
};
builtin_platform_driver(clk_mt8192_mdp_drv);