11802d0beSThomas Gleixner // SPDX-License-Identifier: GPL-2.0-only 2e2f744a8Sweiyi.lu@mediatek.com /* 3e2f744a8Sweiyi.lu@mediatek.com * Copyright (c) 2017 MediaTek Inc. 4e2f744a8Sweiyi.lu@mediatek.com * Author: Weiyi Lu <weiyi.lu@mediatek.com> 5e2f744a8Sweiyi.lu@mediatek.com */ 6e2f744a8Sweiyi.lu@mediatek.com 7e2f744a8Sweiyi.lu@mediatek.com #include <linux/clk-provider.h> 8e2f744a8Sweiyi.lu@mediatek.com #include <linux/platform_device.h> 9e2f744a8Sweiyi.lu@mediatek.com 10e2f744a8Sweiyi.lu@mediatek.com #include "clk-mtk.h" 11e2f744a8Sweiyi.lu@mediatek.com #include "clk-gate.h" 12e2f744a8Sweiyi.lu@mediatek.com 13e2f744a8Sweiyi.lu@mediatek.com #include <dt-bindings/clock/mt2712-clk.h> 14e2f744a8Sweiyi.lu@mediatek.com 15e2f744a8Sweiyi.lu@mediatek.com static const struct mtk_gate_regs vdec0_cg_regs = { 16e2f744a8Sweiyi.lu@mediatek.com .set_ofs = 0x0, 17e2f744a8Sweiyi.lu@mediatek.com .clr_ofs = 0x4, 18e2f744a8Sweiyi.lu@mediatek.com .sta_ofs = 0x0, 19e2f744a8Sweiyi.lu@mediatek.com }; 20e2f744a8Sweiyi.lu@mediatek.com 21e2f744a8Sweiyi.lu@mediatek.com static const struct mtk_gate_regs vdec1_cg_regs = { 22e2f744a8Sweiyi.lu@mediatek.com .set_ofs = 0x8, 23e2f744a8Sweiyi.lu@mediatek.com .clr_ofs = 0xc, 24e2f744a8Sweiyi.lu@mediatek.com .sta_ofs = 0x8, 25e2f744a8Sweiyi.lu@mediatek.com }; 26e2f744a8Sweiyi.lu@mediatek.com 27e2f744a8Sweiyi.lu@mediatek.com #define GATE_VDEC0(_id, _name, _parent, _shift) { \ 28e2f744a8Sweiyi.lu@mediatek.com .id = _id, \ 29e2f744a8Sweiyi.lu@mediatek.com .name = _name, \ 30e2f744a8Sweiyi.lu@mediatek.com .parent_name = _parent, \ 31e2f744a8Sweiyi.lu@mediatek.com .regs = &vdec0_cg_regs, \ 32e2f744a8Sweiyi.lu@mediatek.com .shift = _shift, \ 33e2f744a8Sweiyi.lu@mediatek.com .ops = &mtk_clk_gate_ops_setclr_inv, \ 34e2f744a8Sweiyi.lu@mediatek.com } 35e2f744a8Sweiyi.lu@mediatek.com 36e2f744a8Sweiyi.lu@mediatek.com #define GATE_VDEC1(_id, _name, _parent, _shift) { \ 37e2f744a8Sweiyi.lu@mediatek.com .id = _id, \ 38e2f744a8Sweiyi.lu@mediatek.com .name = _name, \ 39e2f744a8Sweiyi.lu@mediatek.com .parent_name = _parent, \ 40e2f744a8Sweiyi.lu@mediatek.com .regs = &vdec1_cg_regs, \ 41e2f744a8Sweiyi.lu@mediatek.com .shift = _shift, \ 42e2f744a8Sweiyi.lu@mediatek.com .ops = &mtk_clk_gate_ops_setclr_inv, \ 43e2f744a8Sweiyi.lu@mediatek.com } 44e2f744a8Sweiyi.lu@mediatek.com 45e2f744a8Sweiyi.lu@mediatek.com static const struct mtk_gate vdec_clks[] = { 46e2f744a8Sweiyi.lu@mediatek.com /* VDEC0 */ 47e2f744a8Sweiyi.lu@mediatek.com GATE_VDEC0(CLK_VDEC_CKEN, "vdec_cken", "vdec_sel", 0), 48e2f744a8Sweiyi.lu@mediatek.com /* VDEC1 */ 49e2f744a8Sweiyi.lu@mediatek.com GATE_VDEC1(CLK_VDEC_LARB1_CKEN, "vdec_larb1_cken", "vdec_sel", 0), 50e2f744a8Sweiyi.lu@mediatek.com GATE_VDEC1(CLK_VDEC_IMGRZ_CKEN, "vdec_imgrz_cken", "vdec_sel", 1), 51e2f744a8Sweiyi.lu@mediatek.com }; 52e2f744a8Sweiyi.lu@mediatek.com 53e2f744a8Sweiyi.lu@mediatek.com static int clk_mt2712_vdec_probe(struct platform_device *pdev) 54e2f744a8Sweiyi.lu@mediatek.com { 55e2f744a8Sweiyi.lu@mediatek.com struct clk_onecell_data *clk_data; 56e2f744a8Sweiyi.lu@mediatek.com int r; 57e2f744a8Sweiyi.lu@mediatek.com struct device_node *node = pdev->dev.of_node; 58e2f744a8Sweiyi.lu@mediatek.com 59e2f744a8Sweiyi.lu@mediatek.com clk_data = mtk_alloc_clk_data(CLK_VDEC_NR_CLK); 60e2f744a8Sweiyi.lu@mediatek.com 61e2f744a8Sweiyi.lu@mediatek.com mtk_clk_register_gates(node, vdec_clks, ARRAY_SIZE(vdec_clks), 62e2f744a8Sweiyi.lu@mediatek.com clk_data); 63e2f744a8Sweiyi.lu@mediatek.com 64e2f744a8Sweiyi.lu@mediatek.com r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data); 65e2f744a8Sweiyi.lu@mediatek.com 66e2f744a8Sweiyi.lu@mediatek.com if (r != 0) 67e2f744a8Sweiyi.lu@mediatek.com pr_err("%s(): could not register clock provider: %d\n", 68e2f744a8Sweiyi.lu@mediatek.com __func__, r); 69e2f744a8Sweiyi.lu@mediatek.com 70e2f744a8Sweiyi.lu@mediatek.com return r; 71e2f744a8Sweiyi.lu@mediatek.com } 72e2f744a8Sweiyi.lu@mediatek.com 73e2f744a8Sweiyi.lu@mediatek.com static const struct of_device_id of_match_clk_mt2712_vdec[] = { 74e2f744a8Sweiyi.lu@mediatek.com { .compatible = "mediatek,mt2712-vdecsys", }, 75e2f744a8Sweiyi.lu@mediatek.com {} 76e2f744a8Sweiyi.lu@mediatek.com }; 77e2f744a8Sweiyi.lu@mediatek.com 78e2f744a8Sweiyi.lu@mediatek.com static struct platform_driver clk_mt2712_vdec_drv = { 79e2f744a8Sweiyi.lu@mediatek.com .probe = clk_mt2712_vdec_probe, 80e2f744a8Sweiyi.lu@mediatek.com .driver = { 81e2f744a8Sweiyi.lu@mediatek.com .name = "clk-mt2712-vdec", 82e2f744a8Sweiyi.lu@mediatek.com .of_match_table = of_match_clk_mt2712_vdec, 83e2f744a8Sweiyi.lu@mediatek.com }, 84e2f744a8Sweiyi.lu@mediatek.com }; 85e2f744a8Sweiyi.lu@mediatek.com 86e2f744a8Sweiyi.lu@mediatek.com builtin_platform_driver(clk_mt2712_vdec_drv); 87