1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * Copyright (c) 2018 MediaTek Inc. 4 * Author: Owen Chen <owen.chen@mediatek.com> 5 */ 6 7 #include <linux/clk-provider.h> 8 #include <linux/platform_device.h> 9 10 #include "clk-mtk.h" 11 #include "clk-gate.h" 12 13 #include <dt-bindings/clock/mt6765-clk.h> 14 15 static const struct mtk_gate_regs venc_cg_regs = { 16 .set_ofs = 0x4, 17 .clr_ofs = 0x8, 18 .sta_ofs = 0x0, 19 }; 20 21 #define GATE_VENC(_id, _name, _parent, _shift) { \ 22 .id = _id, \ 23 .name = _name, \ 24 .parent_name = _parent, \ 25 .regs = &venc_cg_regs, \ 26 .shift = _shift, \ 27 .ops = &mtk_clk_gate_ops_setclr_inv, \ 28 } 29 30 static const struct mtk_gate venc_clks[] = { 31 GATE_VENC(CLK_VENC_SET0_LARB, "venc_set0_larb", "mm_ck", 0), 32 GATE_VENC(CLK_VENC_SET1_VENC, "venc_set1_venc", "mm_ck", 4), 33 GATE_VENC(CLK_VENC_SET2_JPGENC, "jpgenc", "mm_ck", 8), 34 GATE_VENC(CLK_VENC_SET3_VDEC, "venc_set3_vdec", "mm_ck", 12), 35 }; 36 37 static int clk_mt6765_vcodec_probe(struct platform_device *pdev) 38 { 39 struct clk_hw_onecell_data *clk_data; 40 int r; 41 struct device_node *node = pdev->dev.of_node; 42 43 clk_data = mtk_alloc_clk_data(CLK_VENC_NR_CLK); 44 45 mtk_clk_register_gates(node, venc_clks, 46 ARRAY_SIZE(venc_clks), clk_data); 47 48 r = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data); 49 50 if (r) 51 pr_err("%s(): could not register clock provider: %d\n", 52 __func__, r); 53 54 return r; 55 } 56 57 static const struct of_device_id of_match_clk_mt6765_vcodec[] = { 58 { .compatible = "mediatek,mt6765-vcodecsys", }, 59 {} 60 }; 61 62 static struct platform_driver clk_mt6765_vcodec_drv = { 63 .probe = clk_mt6765_vcodec_probe, 64 .driver = { 65 .name = "clk-mt6765-vcodec", 66 .of_match_table = of_match_clk_mt6765_vcodec, 67 }, 68 }; 69 70 builtin_platform_driver(clk_mt6765_vcodec_drv); 71