^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) //
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) // Copyright (c) 2018 MediaTek Inc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) // Author: Weiyi Lu <weiyi.lu@mediatek.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) #include <linux/clk-provider.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #include <linux/platform_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include "clk-mtk.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include "clk-gate.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <dt-bindings/clock/mt8183-clk.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) static const struct mtk_gate_regs cam_cg_regs = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) .set_ofs = 0x4,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) .clr_ofs = 0x8,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) .sta_ofs = 0x0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #define GATE_CAM(_id, _name, _parent, _shift) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) GATE_MTK(_id, _name, _parent, &cam_cg_regs, _shift, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) &mtk_clk_gate_ops_setclr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) static const struct mtk_gate cam_clks[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) GATE_CAM(CLK_CAM_LARB6, "cam_larb6", "cam_sel", 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) GATE_CAM(CLK_CAM_DFP_VAD, "cam_dfp_vad", "cam_sel", 1),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) GATE_CAM(CLK_CAM_LARB3, "cam_larb3", "cam_sel", 2),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) GATE_CAM(CLK_CAM_CAM, "cam_cam", "cam_sel", 6),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) GATE_CAM(CLK_CAM_CAMTG, "cam_camtg", "cam_sel", 7),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) GATE_CAM(CLK_CAM_SENINF, "cam_seninf", "cam_sel", 8),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) GATE_CAM(CLK_CAM_CAMSV0, "cam_camsv0", "cam_sel", 9),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) GATE_CAM(CLK_CAM_CAMSV1, "cam_camsv1", "cam_sel", 10),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) GATE_CAM(CLK_CAM_CAMSV2, "cam_camsv2", "cam_sel", 11),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) GATE_CAM(CLK_CAM_CCU, "cam_ccu", "cam_sel", 12),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) static int clk_mt8183_cam_probe(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) struct clk_onecell_data *clk_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) struct device_node *node = pdev->dev.of_node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) clk_data = mtk_alloc_clk_data(CLK_CAM_NR_CLK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) mtk_clk_register_gates(node, cam_clks, ARRAY_SIZE(cam_clks),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) clk_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) return of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) static const struct of_device_id of_match_clk_mt8183_cam[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) { .compatible = "mediatek,mt8183-camsys", },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) {}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) static struct platform_driver clk_mt8183_cam_drv = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) .probe = clk_mt8183_cam_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) .driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) .name = "clk-mt8183-cam",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) .of_match_table = of_match_clk_mt8183_cam,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) builtin_platform_driver(clk_mt8183_cam_drv);