diff options
Diffstat (limited to 'drivers/clk/mediatek/clk-mt6765-mm.c')
| -rw-r--r-- | drivers/clk/mediatek/clk-mt6765-mm.c | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/drivers/clk/mediatek/clk-mt6765-mm.c b/drivers/clk/mediatek/clk-mt6765-mm.c new file mode 100644 index 000000000000..6d8214c51684 --- /dev/null +++ b/drivers/clk/mediatek/clk-mt6765-mm.c @@ -0,0 +1,96 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2018 MediaTek Inc. + * Author: Owen Chen <owen.chen@mediatek.com> + */ + +#include <linux/clk-provider.h> +#include <linux/platform_device.h> + +#include "clk-mtk.h" +#include "clk-gate.h" + +#include <dt-bindings/clock/mt6765-clk.h> + +static const struct mtk_gate_regs mm_cg_regs = { + .set_ofs = 0x104, + .clr_ofs = 0x108, + .sta_ofs = 0x100, +}; + +#define GATE_MM(_id, _name, _parent, _shift) { \ + .id = _id, \ + .name = _name, \ + .parent_name = _parent, \ + .regs = &mm_cg_regs, \ + .shift = _shift, \ + .ops = &mtk_clk_gate_ops_setclr, \ + } + +static const struct mtk_gate mm_clks[] = { + /* MM */ + GATE_MM(CLK_MM_MDP_RDMA0, "mm_mdp_rdma0", "mm_ck", 0), + GATE_MM(CLK_MM_MDP_CCORR0, "mm_mdp_ccorr0", "mm_ck", 1), + GATE_MM(CLK_MM_MDP_RSZ0, "mm_mdp_rsz0", "mm_ck", 2), + GATE_MM(CLK_MM_MDP_RSZ1, "mm_mdp_rsz1", "mm_ck", 3), + GATE_MM(CLK_MM_MDP_TDSHP0, "mm_mdp_tdshp0", "mm_ck", 4), + GATE_MM(CLK_MM_MDP_WROT0, "mm_mdp_wrot0", "mm_ck", 5), + GATE_MM(CLK_MM_MDP_WDMA0, "mm_mdp_wdma0", "mm_ck", 6), + GATE_MM(CLK_MM_DISP_OVL0, "mm_disp_ovl0", "mm_ck", 7), + GATE_MM(CLK_MM_DISP_OVL0_2L, "mm_disp_ovl0_2l", "mm_ck", 8), + GATE_MM(CLK_MM_DISP_RSZ0, "mm_disp_rsz0", "mm_ck", 9), + GATE_MM(CLK_MM_DISP_RDMA0, "mm_disp_rdma0", "mm_ck", 10), + GATE_MM(CLK_MM_DISP_WDMA0, "mm_disp_wdma0", "mm_ck", 11), + GATE_MM(CLK_MM_DISP_COLOR0, "mm_disp_color0", "mm_ck", 12), + GATE_MM(CLK_MM_DISP_CCORR0, "mm_disp_ccorr0", "mm_ck", 13), + GATE_MM(CLK_MM_DISP_AAL0, "mm_disp_aal0", "mm_ck", 14), + GATE_MM(CLK_MM_DISP_GAMMA0, "mm_disp_gamma0", "mm_ck", 15), + GATE_MM(CLK_MM_DISP_DITHER0, "mm_disp_dither0", "mm_ck", 16), + GATE_MM(CLK_MM_DSI0, "mm_dsi0", "mm_ck", 17), + GATE_MM(CLK_MM_FAKE_ENG, "mm_fake_eng", "mm_ck", 18), + GATE_MM(CLK_MM_SMI_COMMON, "mm_smi_common", "mm_ck", 19), + GATE_MM(CLK_MM_SMI_LARB0, "mm_smi_larb0", "mm_ck", 20), + GATE_MM(CLK_MM_SMI_COMM0, "mm_smi_comm0", "mm_ck", 21), + GATE_MM(CLK_MM_SMI_COMM1, "mm_smi_comm1", "mm_ck", 22), + GATE_MM(CLK_MM_CAM_MDP, "mm_cam_mdp_ck", "mm_ck", 23), + GATE_MM(CLK_MM_SMI_IMG, "mm_smi_img_ck", "mm_ck", 24), + GATE_MM(CLK_MM_SMI_CAM, "mm_smi_cam_ck", "mm_ck", 25), + GATE_MM(CLK_MM_IMG_DL_RELAY, "mm_img_dl_relay", "mm_ck", 26), + GATE_MM(CLK_MM_IMG_DL_ASYNC_TOP, "mm_imgdl_async", "mm_ck", 27), + GATE_MM(CLK_MM_DIG_DSI, "mm_dig_dsi_ck", "mm_ck", 28), + GATE_MM(CLK_MM_F26M_HRTWT, "mm_hrtwt", "f_f26m_ck", 29), +}; + +static int clk_mt6765_mm_probe(struct platform_device *pdev) +{ + struct clk_onecell_data *clk_data; + int r; + struct device_node *node = pdev->dev.of_node; + + clk_data = mtk_alloc_clk_data(CLK_MM_NR_CLK); + + mtk_clk_register_gates(node, mm_clks, ARRAY_SIZE(mm_clks), clk_data); + + r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data); + + if (r) + pr_err("%s(): could not register clock provider: %d\n", + __func__, r); + + return r; +} + +static const struct of_device_id of_match_clk_mt6765_mm[] = { + { .compatible = "mediatek,mt6765-mmsys", }, + {} +}; + +static struct platform_driver clk_mt6765_mm_drv = { + .probe = clk_mt6765_mm_probe, + .driver = { + .name = "clk-mt6765-mm", + .of_match_table = of_match_clk_mt6765_mm, + }, +}; + +builtin_platform_driver(clk_mt6765_mm_drv); |