1e2f744a8Sweiyi.lu@mediatek.com /* 2e2f744a8Sweiyi.lu@mediatek.com * Copyright (c) 2017 MediaTek Inc. 3e2f744a8Sweiyi.lu@mediatek.com * Author: Weiyi Lu <weiyi.lu@mediatek.com> 4e2f744a8Sweiyi.lu@mediatek.com * 5e2f744a8Sweiyi.lu@mediatek.com * This program is free software; you can redistribute it and/or modify 6e2f744a8Sweiyi.lu@mediatek.com * it under the terms of the GNU General Public License version 2 as 7e2f744a8Sweiyi.lu@mediatek.com * published by the Free Software Foundation. 8e2f744a8Sweiyi.lu@mediatek.com * 9e2f744a8Sweiyi.lu@mediatek.com * This program is distributed in the hope that it will be useful, 10e2f744a8Sweiyi.lu@mediatek.com * but WITHOUT ANY WARRANTY; without even the implied warranty of 11e2f744a8Sweiyi.lu@mediatek.com * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12e2f744a8Sweiyi.lu@mediatek.com * GNU General Public License for more details. 13e2f744a8Sweiyi.lu@mediatek.com */ 14e2f744a8Sweiyi.lu@mediatek.com 15e2f744a8Sweiyi.lu@mediatek.com #include <linux/clk-provider.h> 16e2f744a8Sweiyi.lu@mediatek.com #include <linux/platform_device.h> 17e2f744a8Sweiyi.lu@mediatek.com 18e2f744a8Sweiyi.lu@mediatek.com #include "clk-mtk.h" 19e2f744a8Sweiyi.lu@mediatek.com #include "clk-gate.h" 20e2f744a8Sweiyi.lu@mediatek.com 21e2f744a8Sweiyi.lu@mediatek.com #include <dt-bindings/clock/mt2712-clk.h> 22e2f744a8Sweiyi.lu@mediatek.com 23e2f744a8Sweiyi.lu@mediatek.com static const struct mtk_gate_regs img_cg_regs = { 24e2f744a8Sweiyi.lu@mediatek.com .set_ofs = 0x0, 25e2f744a8Sweiyi.lu@mediatek.com .clr_ofs = 0x0, 26e2f744a8Sweiyi.lu@mediatek.com .sta_ofs = 0x0, 27e2f744a8Sweiyi.lu@mediatek.com }; 28e2f744a8Sweiyi.lu@mediatek.com 29e2f744a8Sweiyi.lu@mediatek.com #define GATE_IMG(_id, _name, _parent, _shift) { \ 30e2f744a8Sweiyi.lu@mediatek.com .id = _id, \ 31e2f744a8Sweiyi.lu@mediatek.com .name = _name, \ 32e2f744a8Sweiyi.lu@mediatek.com .parent_name = _parent, \ 33e2f744a8Sweiyi.lu@mediatek.com .regs = &img_cg_regs, \ 34e2f744a8Sweiyi.lu@mediatek.com .shift = _shift, \ 35e2f744a8Sweiyi.lu@mediatek.com .ops = &mtk_clk_gate_ops_no_setclr, \ 36e2f744a8Sweiyi.lu@mediatek.com } 37e2f744a8Sweiyi.lu@mediatek.com 38e2f744a8Sweiyi.lu@mediatek.com static const struct mtk_gate img_clks[] = { 39e2f744a8Sweiyi.lu@mediatek.com GATE_IMG(CLK_IMG_SMI_LARB2, "img_smi_larb2", "mm_sel", 0), 40e2f744a8Sweiyi.lu@mediatek.com GATE_IMG(CLK_IMG_SENINF_SCAM_EN, "img_scam_en", "csi0", 3), 41e2f744a8Sweiyi.lu@mediatek.com GATE_IMG(CLK_IMG_SENINF_CAM_EN, "img_cam_en", "mm_sel", 8), 42e2f744a8Sweiyi.lu@mediatek.com GATE_IMG(CLK_IMG_CAM_SV_EN, "img_cam_sv_en", "mm_sel", 9), 43e2f744a8Sweiyi.lu@mediatek.com GATE_IMG(CLK_IMG_CAM_SV1_EN, "img_cam_sv1_en", "mm_sel", 10), 44e2f744a8Sweiyi.lu@mediatek.com GATE_IMG(CLK_IMG_CAM_SV2_EN, "img_cam_sv2_en", "mm_sel", 11), 45e2f744a8Sweiyi.lu@mediatek.com }; 46e2f744a8Sweiyi.lu@mediatek.com 47e2f744a8Sweiyi.lu@mediatek.com static int clk_mt2712_img_probe(struct platform_device *pdev) 48e2f744a8Sweiyi.lu@mediatek.com { 49e2f744a8Sweiyi.lu@mediatek.com struct clk_onecell_data *clk_data; 50e2f744a8Sweiyi.lu@mediatek.com int r; 51e2f744a8Sweiyi.lu@mediatek.com struct device_node *node = pdev->dev.of_node; 52e2f744a8Sweiyi.lu@mediatek.com 53e2f744a8Sweiyi.lu@mediatek.com clk_data = mtk_alloc_clk_data(CLK_IMG_NR_CLK); 54e2f744a8Sweiyi.lu@mediatek.com 55e2f744a8Sweiyi.lu@mediatek.com mtk_clk_register_gates(node, img_clks, ARRAY_SIZE(img_clks), 56e2f744a8Sweiyi.lu@mediatek.com clk_data); 57e2f744a8Sweiyi.lu@mediatek.com 58e2f744a8Sweiyi.lu@mediatek.com r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data); 59e2f744a8Sweiyi.lu@mediatek.com 60e2f744a8Sweiyi.lu@mediatek.com if (r != 0) 61e2f744a8Sweiyi.lu@mediatek.com pr_err("%s(): could not register clock provider: %d\n", 62e2f744a8Sweiyi.lu@mediatek.com __func__, r); 63e2f744a8Sweiyi.lu@mediatek.com 64e2f744a8Sweiyi.lu@mediatek.com return r; 65e2f744a8Sweiyi.lu@mediatek.com } 66e2f744a8Sweiyi.lu@mediatek.com 67e2f744a8Sweiyi.lu@mediatek.com static const struct of_device_id of_match_clk_mt2712_img[] = { 68e2f744a8Sweiyi.lu@mediatek.com { .compatible = "mediatek,mt2712-imgsys", }, 69e2f744a8Sweiyi.lu@mediatek.com {} 70e2f744a8Sweiyi.lu@mediatek.com }; 71e2f744a8Sweiyi.lu@mediatek.com 72e2f744a8Sweiyi.lu@mediatek.com static struct platform_driver clk_mt2712_img_drv = { 73e2f744a8Sweiyi.lu@mediatek.com .probe = clk_mt2712_img_probe, 74e2f744a8Sweiyi.lu@mediatek.com .driver = { 75e2f744a8Sweiyi.lu@mediatek.com .name = "clk-mt2712-img", 76e2f744a8Sweiyi.lu@mediatek.com .of_match_table = of_match_clk_mt2712_img, 77e2f744a8Sweiyi.lu@mediatek.com }, 78e2f744a8Sweiyi.lu@mediatek.com }; 79e2f744a8Sweiyi.lu@mediatek.com 80e2f744a8Sweiyi.lu@mediatek.com builtin_platform_driver(clk_mt2712_img_drv); 81