clk/mediatek/clk-mt6765-mipi0a.c

0001 // SPDX-License-Identifier: GPL-2.0
0002 /*
0003  * Copyright (c) 2018 MediaTek Inc.
0004  * Author: Owen Chen <owen.chen@mediatek.com>
0005  */
0006
0007 #include <linux/clk-provider.h>
0008 #include <linux/platform_device.h>
0009
0010 #include "clk-mtk.h"
0011 #include "clk-gate.h"
0012
0013 #include <dt-bindings/clock/mt6765-clk.h>
0014
0015 static const struct mtk_gate_regs mipi0a_cg_regs = {
0016     .set_ofs = 0x80,
0017     .clr_ofs = 0x80,
0018     .sta_ofs = 0x80,
0019 };
0020
0021 #define GATE_MIPI0A(_id, _name, _parent, _shift) {  \
0022         .id = _id,              \
0023         .name = _name,              \
0024         .parent_name = _parent,         \
0025         .regs = &mipi0a_cg_regs,            \
0026         .shift = _shift,            \
0027         .ops = &mtk_clk_gate_ops_no_setclr_inv, \
0028     }
0029
0030 static const struct mtk_gate mipi0a_clks[] = {
0031     GATE_MIPI0A(CLK_MIPI0A_CSR_CSI_EN_0A,
0032             "mipi0a_csr_0a", "f_fseninf_ck", 1),
0033 };
0034
0035 static int clk_mt6765_mipi0a_probe(struct platform_device *pdev)
0036 {
0037     struct clk_hw_onecell_data *clk_data;
0038     int r;
0039     struct device_node *node = pdev->dev.of_node;
0040
0041     clk_data = mtk_alloc_clk_data(CLK_MIPI0A_NR_CLK);
0042
0043     mtk_clk_register_gates(node, mipi0a_clks,
0044                    ARRAY_SIZE(mipi0a_clks), clk_data);
0045
0046     r = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data);
0047
0048     if (r)
0049         pr_err("%s(): could not register clock provider: %d\n",
0050                __func__, r);
0051
0052     return r;
0053 }
0054
0055 static const struct of_device_id of_match_clk_mt6765_mipi0a[] = {
0056     { .compatible = "mediatek,mt6765-mipi0a", },
0057     {}
0058 };
0059
0060 static struct platform_driver clk_mt6765_mipi0a_drv = {
0061     .probe = clk_mt6765_mipi0a_probe,
0062     .driver = {
0063         .name = "clk-mt6765-mipi0a",
0064         .of_match_table = of_match_clk_mt6765_mipi0a,
0065     },
0066 };
0067
0068 builtin_platform_driver(clk_mt6765_mipi0a_drv);