^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Copyright (c) 2017 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)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #include <linux/clk-provider.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include <linux/platform_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include "clk-mtk.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include "clk-gate.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <dt-bindings/clock/mt2712-clk.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) static const struct mtk_gate_regs venc_cg_regs = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) .set_ofs = 0x4,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) .clr_ofs = 0x8,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) .sta_ofs = 0x0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #define GATE_VENC(_id, _name, _parent, _shift) { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) .id = _id, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) .name = _name, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) .parent_name = _parent, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) .regs = &venc_cg_regs, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) .shift = _shift, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) .ops = &mtk_clk_gate_ops_setclr_inv, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) static const struct mtk_gate venc_clks[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) GATE_VENC(CLK_VENC_SMI_COMMON_CON, "venc_smi", "mm_sel", 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) GATE_VENC(CLK_VENC_VENC, "venc_venc", "venc_sel", 4),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) GATE_VENC(CLK_VENC_SMI_LARB6, "venc_smi_larb6", "jpgdec_sel", 12),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) static int clk_mt2712_venc_probe(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) struct clk_onecell_data *clk_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) int r;
^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_VENC_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, venc_clks, ARRAY_SIZE(venc_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) r = 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) if (r != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) pr_err("%s(): could not register clock provider: %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) __func__, r);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) return r;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) static const struct of_device_id of_match_clk_mt2712_venc[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) { .compatible = "mediatek,mt2712-vencsys", },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) {}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) static struct platform_driver clk_mt2712_venc_drv = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) .probe = clk_mt2712_venc_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) .driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) .name = "clk-mt2712-venc",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) .of_match_table = of_match_clk_mt2712_venc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) builtin_platform_driver(clk_mt2712_venc_drv);