linux-stable/drivers/clk/mediatek/clk-mt6765-mipi0a.c
Owen Chen 1aca9939bf clk: mediatek: Add MT6765 clock support
Add MT6765 clock support, include topckgen, apmixedsys,
infracfg, mcucfg and subsystem clocks.

Signed-off-by: Owen Chen <owen.chen@mediatek.com>
Signed-off-by: Mars Cheng <mars.cheng@mediatek.com>
Signed-off-by: Macpaul Lin <macpaul.lin@mediatek.com>
Link: https://lore.kernel.org/r/1582278742-1626-6-git-send-email-macpaul.lin@mediatek.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2020-05-28 21:23:18 -07:00

68 lines
1.5 KiB
C

// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (c) 2018 MediaTek Inc.
* Author: Owen Chen <owen.chen@mediatek.com>
*/
#include <linux/clk-provider.h>
#include <linux/platform_device.h>
#include "clk-mtk.h"
#include "clk-gate.h"
#include <dt-bindings/clock/mt6765-clk.h>
static const struct mtk_gate_regs mipi0a_cg_regs = {
.set_ofs = 0x80,
.clr_ofs = 0x80,
.sta_ofs = 0x80,
};
#define GATE_MIPI0A(_id, _name, _parent, _shift) { \
.id = _id, \
.name = _name, \
.parent_name = _parent, \
.regs = &mipi0a_cg_regs, \
.shift = _shift, \
.ops = &mtk_clk_gate_ops_no_setclr_inv, \
}
static const struct mtk_gate mipi0a_clks[] = {
GATE_MIPI0A(CLK_MIPI0A_CSR_CSI_EN_0A,
"mipi0a_csr_0a", "f_fseninf_ck", 1),
};
static int clk_mt6765_mipi0a_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_MIPI0A_NR_CLK);
mtk_clk_register_gates(node, mipi0a_clks,
ARRAY_SIZE(mipi0a_clks), clk_data);
r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
if (r)
pr_err("%s(): could not register clock provider: %d\n",
__func__, r);
return r;
}
static const struct of_device_id of_match_clk_mt6765_mipi0a[] = {
{ .compatible = "mediatek,mt6765-mipi0a", },
{}
};
static struct platform_driver clk_mt6765_mipi0a_drv = {
.probe = clk_mt6765_mipi0a_probe,
.driver = {
.name = "clk-mt6765-mipi0a",
.of_match_table = of_match_clk_mt6765_mipi0a,
},
};
builtin_platform_driver(clk_mt6765_mipi0a_drv);