| // 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 cam_cg_regs = { |
| .set_ofs = 0x4, |
| .clr_ofs = 0x8, |
| .sta_ofs = 0x0, |
| }; |
| |
| #define GATE_CAM(_id, _name, _parent, _shift) { \ |
| .id = _id, \ |
| .name = _name, \ |
| .parent_name = _parent, \ |
| .regs = &cam_cg_regs, \ |
| .shift = _shift, \ |
| .ops = &mtk_clk_gate_ops_setclr, \ |
| } |
| |
| static const struct mtk_gate cam_clks[] = { |
| GATE_CAM(CLK_CAM_LARB3, "cam_larb3", "mm_ck", 0), |
| GATE_CAM(CLK_CAM_DFP_VAD, "cam_dfp_vad", "mm_ck", 1), |
| GATE_CAM(CLK_CAM, "cam", "mm_ck", 6), |
| GATE_CAM(CLK_CAMTG, "camtg", "mm_ck", 7), |
| GATE_CAM(CLK_CAM_SENINF, "cam_seninf", "mm_ck", 8), |
| GATE_CAM(CLK_CAMSV0, "camsv0", "mm_ck", 9), |
| GATE_CAM(CLK_CAMSV1, "camsv1", "mm_ck", 10), |
| GATE_CAM(CLK_CAMSV2, "camsv2", "mm_ck", 11), |
| GATE_CAM(CLK_CAM_CCU, "cam_ccu", "mm_ck", 12), |
| }; |
| |
| static int clk_mt6765_cam_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_CAM_NR_CLK); |
| |
| mtk_clk_register_gates(node, cam_clks, ARRAY_SIZE(cam_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_cam[] = { |
| { .compatible = "mediatek,mt6765-camsys", }, |
| {} |
| }; |
| |
| static struct platform_driver clk_mt6765_cam_drv = { |
| .probe = clk_mt6765_cam_probe, |
| .driver = { |
| .name = "clk-mt6765-cam", |
| .of_match_table = of_match_clk_mt6765_cam, |
| }, |
| }; |
| |
| builtin_platform_driver(clk_mt6765_cam_drv); |