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/*
* Copyright (c) 2014 MediaTek Inc.
* Author: Shunli Wang <shunli.wang@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/mt2701-clk.h>
static const struct mtk_gate_regs disp0_cg_regs = {
.set_ofs = 0x0104,
.clr_ofs = 0x0108,
.sta_ofs = 0x0100,
};
static const struct mtk_gate_regs disp1_cg_regs = {
.set_ofs = 0x0114,
.clr_ofs = 0x0118,
.sta_ofs = 0x0110,
};
#define GATE_DISP0(_id, _name, _parent, _shift) { \
.id = _id, \
.name = _name, \
.parent_name = _parent, \
.regs = &disp0_cg_regs, \
.shift = _shift, \
.ops = &mtk_clk_gate_ops_setclr, \
}
#define GATE_DISP1(_id, _name, _parent, _shift) { \
.id = _id, \
.name = _name, \
.parent_name = _parent, \
.regs = &disp1_cg_regs, \
.shift = _shift, \
.ops = &mtk_clk_gate_ops_setclr, \
}
static const struct mtk_gate mm_clks[] = {
GATE_DISP0(CLK_MM_SMI_COMMON, "mm_smi_comm", "mm_sel", 0),
GATE_DISP0(CLK_MM_SMI_LARB0, "mm_smi_larb0", "mm_sel", 1),
GATE_DISP0(CLK_MM_CMDQ, "mm_cmdq", "mm_sel", 2),
GATE_DISP0(CLK_MM_MUTEX, "mm_mutex", "mm_sel", 3),
GATE_DISP0(CLK_MM_DISP_COLOR, "mm_disp_color", "mm_sel", 4),
GATE_DISP0(CLK_MM_DISP_BLS, "mm_disp_bls", "mm_sel", 5),
GATE_DISP0(CLK_MM_DISP_WDMA, "mm_disp_wdma", "mm_sel", 6),
GATE_DISP0(CLK_MM_DISP_RDMA, "mm_disp_rdma", "mm_sel", 7),
GATE_DISP0(CLK_MM_DISP_OVL, "mm_disp_ovl", "mm_sel", 8),
GATE_DISP0(CLK_MM_MDP_TDSHP, "mm_mdp_tdshp", "mm_sel", 9),
GATE_DISP0(CLK_MM_MDP_WROT, "mm_mdp_wrot", "mm_sel", 10),
GATE_DISP0(CLK_MM_MDP_WDMA, "mm_mdp_wdma", "mm_sel", 11),
GATE_DISP0(CLK_MM_MDP_RSZ1, "mm_mdp_rsz1", "mm_sel", 12),
GATE_DISP0(CLK_MM_MDP_RSZ0, "mm_mdp_rsz0", "mm_sel", 13),
GATE_DISP0(CLK_MM_MDP_RDMA, "mm_mdp_rdma", "mm_sel", 14),
GATE_DISP0(CLK_MM_MDP_BLS_26M, "mm_mdp_bls_26m", "pwm_sel", 15),
GATE_DISP0(CLK_MM_CAM_MDP, "mm_cam_mdp", "mm_sel", 16),
GATE_DISP0(CLK_MM_FAKE_ENG, "mm_fake_eng", "mm_sel", 17),
GATE_DISP0(CLK_MM_MUTEX_32K, "mm_mutex_32k", "rtc_sel", 18),
GATE_DISP0(CLK_MM_DISP_RDMA1, "mm_disp_rdma1", "mm_sel", 19),
GATE_DISP0(CLK_MM_DISP_UFOE, "mm_disp_ufoe", "mm_sel", 20),
GATE_DISP1(CLK_MM_DSI_ENGINE, "mm_dsi_eng", "mm_sel", 0),
GATE_DISP1(CLK_MM_DSI_DIG, "mm_dsi_dig", "dsi0_lntc_dsi", 1),
GATE_DISP1(CLK_MM_DPI_DIGL, "mm_dpi_digl", "dpi0_sel", 2),
GATE_DISP1(CLK_MM_DPI_ENGINE, "mm_dpi_eng", "mm_sel", 3),
GATE_DISP1(CLK_MM_DPI1_DIGL, "mm_dpi1_digl", "dpi1_sel", 4),
GATE_DISP1(CLK_MM_DPI1_ENGINE, "mm_dpi1_eng", "mm_sel", 5),
GATE_DISP1(CLK_MM_TVE_OUTPUT, "mm_tve_output", "tve_sel", 6),
GATE_DISP1(CLK_MM_TVE_INPUT, "mm_tve_input", "dpi0_sel", 7),
GATE_DISP1(CLK_MM_HDMI_PIXEL, "mm_hdmi_pixel", "dpi1_sel", 8),
GATE_DISP1(CLK_MM_HDMI_PLL, "mm_hdmi_pll", "hdmi_sel", 9),
GATE_DISP1(CLK_MM_HDMI_AUDIO, "mm_hdmi_audio", "apll_sel", 10),
GATE_DISP1(CLK_MM_HDMI_SPDIF, "mm_hdmi_spdif", "apll_sel", 11),
GATE_DISP1(CLK_MM_TVE_FMM, "mm_tve_fmm", "mm_sel", 14),
};
static const struct of_device_id of_match_clk_mt2701_mm[] = {
{ .compatible = "mediatek,mt2701-mmsys", },
{}
};
static int clk_mt2701_mm_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_MM_NR);
mtk_clk_register_gates(node, mm_clks, ARRAY_SIZE(mm_clks),
clk_data);
r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
if (r)
dev_err(&pdev->dev,
"could not register clock provider: %s: %d\n",
pdev->name, r);
return r;
}
static struct platform_driver clk_mt2701_mm_drv = {
.probe = clk_mt2701_mm_probe,
.driver = {
.name = "clk-mt2701-mm",
.of_match_table = of_match_clk_mt2701_mm,
},
};
builtin_platform_driver(clk_mt2701_mm_drv);
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