diff options
Diffstat (limited to 'drivers/clk/mediatek/clk-mt8183-mm.c')
| -rw-r--r-- | drivers/clk/mediatek/clk-mt8183-mm.c | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/drivers/clk/mediatek/clk-mt8183-mm.c b/drivers/clk/mediatek/clk-mt8183-mm.c new file mode 100644 index 000000000000..720c696b506d --- /dev/null +++ b/drivers/clk/mediatek/clk-mt8183-mm.c @@ -0,0 +1,111 @@ +// SPDX-License-Identifier: GPL-2.0 +// +// Copyright (c) 2018 MediaTek Inc. +// Author: Weiyi Lu <weiyi.lu@mediatek.com> + +#include <linux/clk-provider.h> +#include <linux/platform_device.h> + +#include "clk-mtk.h" +#include "clk-gate.h" + +#include <dt-bindings/clock/mt8183-clk.h> + +static const struct mtk_gate_regs mm0_cg_regs = { + .set_ofs = 0x104, + .clr_ofs = 0x108, + .sta_ofs = 0x100, +}; + +static const struct mtk_gate_regs mm1_cg_regs = { + .set_ofs = 0x114, + .clr_ofs = 0x118, + .sta_ofs = 0x110, +}; + +#define GATE_MM0(_id, _name, _parent, _shift) \ + GATE_MTK(_id, _name, _parent, &mm0_cg_regs, _shift, \ + &mtk_clk_gate_ops_setclr) + +#define GATE_MM1(_id, _name, _parent, _shift) \ + GATE_MTK(_id, _name, _parent, &mm1_cg_regs, _shift, \ + &mtk_clk_gate_ops_setclr) + +static const struct mtk_gate mm_clks[] = { + /* MM0 */ + GATE_MM0(CLK_MM_SMI_COMMON, "mm_smi_common", "mm_sel", 0), + GATE_MM0(CLK_MM_SMI_LARB0, "mm_smi_larb0", "mm_sel", 1), + GATE_MM0(CLK_MM_SMI_LARB1, "mm_smi_larb1", "mm_sel", 2), + GATE_MM0(CLK_MM_GALS_COMM0, "mm_gals_comm0", "mm_sel", 3), + GATE_MM0(CLK_MM_GALS_COMM1, "mm_gals_comm1", "mm_sel", 4), + GATE_MM0(CLK_MM_GALS_CCU2MM, "mm_gals_ccu2mm", "mm_sel", 5), + GATE_MM0(CLK_MM_GALS_IPU12MM, "mm_gals_ipu12mm", "mm_sel", 6), + GATE_MM0(CLK_MM_GALS_IMG2MM, "mm_gals_img2mm", "mm_sel", 7), + GATE_MM0(CLK_MM_GALS_CAM2MM, "mm_gals_cam2mm", "mm_sel", 8), + GATE_MM0(CLK_MM_GALS_IPU2MM, "mm_gals_ipu2mm", "mm_sel", 9), + GATE_MM0(CLK_MM_MDP_DL_TXCK, "mm_mdp_dl_txck", "mm_sel", 10), + GATE_MM0(CLK_MM_IPU_DL_TXCK, "mm_ipu_dl_txck", "mm_sel", 11), + GATE_MM0(CLK_MM_MDP_RDMA0, "mm_mdp_rdma0", "mm_sel", 12), + GATE_MM0(CLK_MM_MDP_RDMA1, "mm_mdp_rdma1", "mm_sel", 13), + GATE_MM0(CLK_MM_MDP_RSZ0, "mm_mdp_rsz0", "mm_sel", 14), + GATE_MM0(CLK_MM_MDP_RSZ1, "mm_mdp_rsz1", "mm_sel", 15), + GATE_MM0(CLK_MM_MDP_TDSHP, "mm_mdp_tdshp", "mm_sel", 16), + GATE_MM0(CLK_MM_MDP_WROT0, "mm_mdp_wrot0", "mm_sel", 17), + GATE_MM0(CLK_MM_MDP_WDMA0, "mm_mdp_wdma0", "mm_sel", 18), + GATE_MM0(CLK_MM_FAKE_ENG, "mm_fake_eng", "mm_sel", 19), + GATE_MM0(CLK_MM_DISP_OVL0, "mm_disp_ovl0", "mm_sel", 20), + GATE_MM0(CLK_MM_DISP_OVL0_2L, "mm_disp_ovl0_2l", "mm_sel", 21), + GATE_MM0(CLK_MM_DISP_OVL1_2L, "mm_disp_ovl1_2l", "mm_sel", 22), + GATE_MM0(CLK_MM_DISP_RDMA0, "mm_disp_rdma0", "mm_sel", 23), + GATE_MM0(CLK_MM_DISP_RDMA1, "mm_disp_rdma1", "mm_sel", 24), + GATE_MM0(CLK_MM_DISP_WDMA0, "mm_disp_wdma0", "mm_sel", 25), + GATE_MM0(CLK_MM_DISP_COLOR0, "mm_disp_color0", "mm_sel", 26), + GATE_MM0(CLK_MM_DISP_CCORR0, "mm_disp_ccorr0", "mm_sel", 27), + GATE_MM0(CLK_MM_DISP_AAL0, "mm_disp_aal0", "mm_sel", 28), + GATE_MM0(CLK_MM_DISP_GAMMA0, "mm_disp_gamma0", "mm_sel", 29), + GATE_MM0(CLK_MM_DISP_DITHER0, "mm_disp_dither0", "mm_sel", 30), + GATE_MM0(CLK_MM_DISP_SPLIT, "mm_disp_split", "mm_sel", 31), + /* MM1 */ + GATE_MM1(CLK_MM_DSI0_MM, "mm_dsi0_mm", "mm_sel", 0), + GATE_MM1(CLK_MM_DSI0_IF, "mm_dsi0_if", "mm_sel", 1), + GATE_MM1(CLK_MM_DPI_MM, "mm_dpi_mm", "mm_sel", 2), + GATE_MM1(CLK_MM_DPI_IF, "mm_dpi_if", "dpi0_sel", 3), + GATE_MM1(CLK_MM_FAKE_ENG2, "mm_fake_eng2", "mm_sel", 4), + GATE_MM1(CLK_MM_MDP_DL_RX, "mm_mdp_dl_rx", "mm_sel", 5), + GATE_MM1(CLK_MM_IPU_DL_RX, "mm_ipu_dl_rx", "mm_sel", 6), + GATE_MM1(CLK_MM_26M, "mm_26m", "f_f26m_ck", 7), + GATE_MM1(CLK_MM_MMSYS_R2Y, "mm_mmsys_r2y", "mm_sel", 8), + GATE_MM1(CLK_MM_DISP_RSZ, "mm_disp_rsz", "mm_sel", 9), + GATE_MM1(CLK_MM_MDP_AAL, "mm_mdp_aal", "mm_sel", 10), + GATE_MM1(CLK_MM_MDP_CCORR, "mm_mdp_ccorr", "mm_sel", 11), + GATE_MM1(CLK_MM_DBI_MM, "mm_dbi_mm", "mm_sel", 12), + GATE_MM1(CLK_MM_DBI_IF, "mm_dbi_if", "dpi0_sel", 13), +}; + +static int clk_mt8183_mm_probe(struct platform_device *pdev) +{ + struct clk_onecell_data *clk_data; + 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); + + return of_clk_add_provider(node, of_clk_src_onecell_get, clk_data); +} + +static const struct of_device_id of_match_clk_mt8183_mm[] = { + { .compatible = "mediatek,mt8183-mmsys", }, + {} +}; + +static struct platform_driver clk_mt8183_mm_drv = { + .probe = clk_mt8183_mm_probe, + .driver = { + .name = "clk-mt8183-mm", + .of_match_table = of_match_clk_mt8183_mm, + }, +}; + +builtin_platform_driver(clk_mt8183_mm_drv); |