diff options
Diffstat (limited to 'drivers/clk/mediatek/clk-mt2712-mm.c')
| -rw-r--r-- | drivers/clk/mediatek/clk-mt2712-mm.c | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/drivers/clk/mediatek/clk-mt2712-mm.c b/drivers/clk/mediatek/clk-mt2712-mm.c new file mode 100644 index 000000000..a8b4b6d42 --- /dev/null +++ b/drivers/clk/mediatek/clk-mt2712-mm.c @@ -0,0 +1,170 @@ +/* + * Copyright (c) 2017 MediaTek Inc. + * Author: Weiyi Lu <weiyi.lu@mediatek.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/clk-provider.h> +#include <linux/platform_device.h> + +#include "clk-mtk.h" +#include "clk-gate.h" + +#include <dt-bindings/clock/mt2712-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, +}; + +static const struct mtk_gate_regs mm2_cg_regs = { + .set_ofs = 0x224, + .clr_ofs = 0x228, + .sta_ofs = 0x220, +}; + +#define GATE_MM0(_id, _name, _parent, _shift) { \ + .id = _id, \ + .name = _name, \ + .parent_name = _parent, \ + .regs = &mm0_cg_regs, \ + .shift = _shift, \ + .ops = &mtk_clk_gate_ops_setclr, \ + } + +#define GATE_MM1(_id, _name, _parent, _shift) { \ + .id = _id, \ + .name = _name, \ + .parent_name = _parent, \ + .regs = &mm1_cg_regs, \ + .shift = _shift, \ + .ops = &mtk_clk_gate_ops_setclr, \ + } + +#define GATE_MM2(_id, _name, _parent, _shift) { \ + .id = _id, \ + .name = _name, \ + .parent_name = _parent, \ + .regs = &mm2_cg_regs, \ + .shift = _shift, \ + .ops = &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_CAM_MDP, "mm_cam_mdp", "mm_sel", 2), + GATE_MM0(CLK_MM_MDP_RDMA0, "mm_mdp_rdma0", "mm_sel", 3), + GATE_MM0(CLK_MM_MDP_RDMA1, "mm_mdp_rdma1", "mm_sel", 4), + GATE_MM0(CLK_MM_MDP_RSZ0, "mm_mdp_rsz0", "mm_sel", 5), + GATE_MM0(CLK_MM_MDP_RSZ1, "mm_mdp_rsz1", "mm_sel", 6), + GATE_MM0(CLK_MM_MDP_RSZ2, "mm_mdp_rsz2", "mm_sel", 7), + GATE_MM0(CLK_MM_MDP_TDSHP0, "mm_mdp_tdshp0", "mm_sel", 8), + GATE_MM0(CLK_MM_MDP_TDSHP1, "mm_mdp_tdshp1", "mm_sel", 9), + GATE_MM0(CLK_MM_MDP_CROP, "mm_mdp_crop", "mm_sel", 10), + GATE_MM0(CLK_MM_MDP_WDMA, "mm_mdp_wdma", "mm_sel", 11), + GATE_MM0(CLK_MM_MDP_WROT0, "mm_mdp_wrot0", "mm_sel", 12), + GATE_MM0(CLK_MM_MDP_WROT1, "mm_mdp_wrot1", "mm_sel", 13), + GATE_MM0(CLK_MM_FAKE_ENG, "mm_fake_eng", "mm_sel", 14), + GATE_MM0(CLK_MM_MUTEX_32K, "mm_mutex_32k", "clk32k", 15), + GATE_MM0(CLK_MM_DISP_OVL0, "mm_disp_ovl0", "mm_sel", 16), + GATE_MM0(CLK_MM_DISP_OVL1, "mm_disp_ovl1", "mm_sel", 17), + GATE_MM0(CLK_MM_DISP_RDMA0, "mm_disp_rdma0", "mm_sel", 18), + GATE_MM0(CLK_MM_DISP_RDMA1, "mm_disp_rdma1", "mm_sel", 19), + GATE_MM0(CLK_MM_DISP_RDMA2, "mm_disp_rdma2", "mm_sel", 20), + GATE_MM0(CLK_MM_DISP_WDMA0, "mm_disp_wdma0", "mm_sel", 21), + GATE_MM0(CLK_MM_DISP_WDMA1, "mm_disp_wdma1", "mm_sel", 22), + GATE_MM0(CLK_MM_DISP_COLOR0, "mm_disp_color0", "mm_sel", 23), + GATE_MM0(CLK_MM_DISP_COLOR1, "mm_disp_color1", "mm_sel", 24), + GATE_MM0(CLK_MM_DISP_AAL, "mm_disp_aal", "mm_sel", 25), + GATE_MM0(CLK_MM_DISP_GAMMA, "mm_disp_gamma", "mm_sel", 26), + GATE_MM0(CLK_MM_DISP_UFOE, "mm_disp_ufoe", "mm_sel", 27), + GATE_MM0(CLK_MM_DISP_SPLIT0, "mm_disp_split0", "mm_sel", 28), + GATE_MM0(CLK_MM_DISP_OD, "mm_disp_od", "mm_sel", 31), + /* MM1 */ + GATE_MM1(CLK_MM_DISP_PWM0_MM, "mm_pwm0_mm", "mm_sel", 0), + GATE_MM1(CLK_MM_DISP_PWM0_26M, "mm_pwm0_26m", "pwm_sel", 1), + GATE_MM1(CLK_MM_DISP_PWM1_MM, "mm_pwm1_mm", "mm_sel", 2), + GATE_MM1(CLK_MM_DISP_PWM1_26M, "mm_pwm1_26m", "pwm_sel", 3), + GATE_MM1(CLK_MM_DSI0_ENGINE, "mm_dsi0_engine", "mm_sel", 4), + GATE_MM1(CLK_MM_DSI0_DIGITAL, "mm_dsi0_digital", "dsi0_lntc", 5), + GATE_MM1(CLK_MM_DSI1_ENGINE, "mm_dsi1_engine", "mm_sel", 6), + GATE_MM1(CLK_MM_DSI1_DIGITAL, "mm_dsi1_digital", "dsi1_lntc", 7), + GATE_MM1(CLK_MM_DPI_PIXEL, "mm_dpi_pixel", "vpll_dpix", 8), + GATE_MM1(CLK_MM_DPI_ENGINE, "mm_dpi_engine", "mm_sel", 9), + GATE_MM1(CLK_MM_DPI1_PIXEL, "mm_dpi1_pixel", "vpll3_dpix", 10), + GATE_MM1(CLK_MM_DPI1_ENGINE, "mm_dpi1_engine", "mm_sel", 11), + GATE_MM1(CLK_MM_LVDS_PIXEL, "mm_lvds_pixel", "vpll_dpix", 16), + GATE_MM1(CLK_MM_LVDS_CTS, "mm_lvds_cts", "lvdstx", 17), + GATE_MM1(CLK_MM_SMI_LARB4, "mm_smi_larb4", "mm_sel", 18), + GATE_MM1(CLK_MM_SMI_COMMON1, "mm_smi_common1", "mm_sel", 21), + GATE_MM1(CLK_MM_SMI_LARB5, "mm_smi_larb5", "mm_sel", 22), + GATE_MM1(CLK_MM_MDP_RDMA2, "mm_mdp_rdma2", "mm_sel", 23), + GATE_MM1(CLK_MM_MDP_TDSHP2, "mm_mdp_tdshp2", "mm_sel", 24), + GATE_MM1(CLK_MM_DISP_OVL2, "mm_disp_ovl2", "mm_sel", 25), + GATE_MM1(CLK_MM_DISP_WDMA2, "mm_disp_wdma2", "mm_sel", 26), + GATE_MM1(CLK_MM_DISP_COLOR2, "mm_disp_color2", "mm_sel", 27), + GATE_MM1(CLK_MM_DISP_AAL1, "mm_disp_aal1", "mm_sel", 28), + GATE_MM1(CLK_MM_DISP_OD1, "mm_disp_od1", "mm_sel", 29), + GATE_MM1(CLK_MM_LVDS1_PIXEL, "mm_lvds1_pixel", "vpll3_dpix", 30), + GATE_MM1(CLK_MM_LVDS1_CTS, "mm_lvds1_cts", "lvdstx3", 31), + /* MM2 */ + GATE_MM2(CLK_MM_SMI_LARB7, "mm_smi_larb7", "mm_sel", 0), + GATE_MM2(CLK_MM_MDP_RDMA3, "mm_mdp_rdma3", "mm_sel", 1), + GATE_MM2(CLK_MM_MDP_WROT2, "mm_mdp_wrot2", "mm_sel", 2), + GATE_MM2(CLK_MM_DSI2, "mm_dsi2", "mm_sel", 3), + GATE_MM2(CLK_MM_DSI2_DIGITAL, "mm_dsi2_digital", "dsi0_lntc", 4), + GATE_MM2(CLK_MM_DSI3, "mm_dsi3", "mm_sel", 5), + GATE_MM2(CLK_MM_DSI3_DIGITAL, "mm_dsi3_digital", "dsi1_lntc", 6), +}; + +static int clk_mt2712_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 != 0) + pr_err("%s(): could not register clock provider: %d\n", + __func__, r); + + return r; +} + +static const struct of_device_id of_match_clk_mt2712_mm[] = { + { .compatible = "mediatek,mt2712-mmsys", }, + {} +}; + +static struct platform_driver clk_mt2712_mm_drv = { + .probe = clk_mt2712_mm_probe, + .driver = { + .name = "clk-mt2712-mm", + .of_match_table = of_match_clk_mt2712_mm, + }, +}; + +builtin_platform_driver(clk_mt2712_mm_drv); |