diff options
Diffstat (limited to 'drivers/clk/mediatek/clk-mt8167-mm.c')
| -rw-r--r-- | drivers/clk/mediatek/clk-mt8167-mm.c | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/drivers/clk/mediatek/clk-mt8167-mm.c b/drivers/clk/mediatek/clk-mt8167-mm.c new file mode 100644 index 000000000000..963b129aade1 --- /dev/null +++ b/drivers/clk/mediatek/clk-mt8167-mm.c @@ -0,0 +1,132 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2020 MediaTek Inc. + * Copyright (c) 2020 BayLibre, SAS + * Author: James Liao <jamesjj.liao@mediatek.com> + * Fabien Parent <fparent@baylibre.com> + */ + +#include <linux/clk-provider.h> +#include <linux/of.h> +#include <linux/of_address.h> +#include <linux/of_device.h> +#include <linux/platform_device.h> + +#include "clk-mtk.h" +#include "clk-gate.h" + +#include <dt-bindings/clock/mt8167-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) { \ + .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, \ + } + +static const struct mtk_gate mm_clks[] = { + /* MM0 */ + GATE_MM0(CLK_MM_SMI_COMMON, "mm_smi_common", "smi_mm", 0), + GATE_MM0(CLK_MM_SMI_LARB0, "mm_smi_larb0", "smi_mm", 1), + GATE_MM0(CLK_MM_CAM_MDP, "mm_cam_mdp", "smi_mm", 2), + GATE_MM0(CLK_MM_MDP_RDMA, "mm_mdp_rdma", "smi_mm", 3), + GATE_MM0(CLK_MM_MDP_RSZ0, "mm_mdp_rsz0", "smi_mm", 4), + GATE_MM0(CLK_MM_MDP_RSZ1, "mm_mdp_rsz1", "smi_mm", 5), + GATE_MM0(CLK_MM_MDP_TDSHP, "mm_mdp_tdshp", "smi_mm", 6), + GATE_MM0(CLK_MM_MDP_WDMA, "mm_mdp_wdma", "smi_mm", 7), + GATE_MM0(CLK_MM_MDP_WROT, "mm_mdp_wrot", "smi_mm", 8), + GATE_MM0(CLK_MM_FAKE_ENG, "mm_fake_eng", "smi_mm", 9), + GATE_MM0(CLK_MM_DISP_OVL0, "mm_disp_ovl0", "smi_mm", 10), + GATE_MM0(CLK_MM_DISP_RDMA0, "mm_disp_rdma0", "smi_mm", 11), + GATE_MM0(CLK_MM_DISP_RDMA1, "mm_disp_rdma1", "smi_mm", 12), + GATE_MM0(CLK_MM_DISP_WDMA, "mm_disp_wdma", "smi_mm", 13), + GATE_MM0(CLK_MM_DISP_COLOR, "mm_disp_color", "smi_mm", 14), + GATE_MM0(CLK_MM_DISP_CCORR, "mm_disp_ccorr", "smi_mm", 15), + GATE_MM0(CLK_MM_DISP_AAL, "mm_disp_aal", "smi_mm", 16), + GATE_MM0(CLK_MM_DISP_GAMMA, "mm_disp_gamma", "smi_mm", 17), + GATE_MM0(CLK_MM_DISP_DITHER, "mm_disp_dither", "smi_mm", 18), + GATE_MM0(CLK_MM_DISP_UFOE, "mm_disp_ufoe", "smi_mm", 19), + /* MM1 */ + GATE_MM1(CLK_MM_DISP_PWM_MM, "mm_disp_pwm_mm", "smi_mm", 0), + GATE_MM1(CLK_MM_DISP_PWM_26M, "mm_disp_pwm_26m", "smi_mm", 1), + GATE_MM1(CLK_MM_DSI_ENGINE, "mm_dsi_engine", "smi_mm", 2), + GATE_MM1(CLK_MM_DSI_DIGITAL, "mm_dsi_digital", "dsi0_lntc_dsick", 3), + GATE_MM1(CLK_MM_DPI0_ENGINE, "mm_dpi0_engine", "smi_mm", 4), + GATE_MM1(CLK_MM_DPI0_PXL, "mm_dpi0_pxl", "rg_fdpi0", 5), + GATE_MM1(CLK_MM_LVDS_PXL, "mm_lvds_pxl", "vpll_dpix", 14), + GATE_MM1(CLK_MM_LVDS_CTS, "mm_lvds_cts", "lvdstx_dig_cts", 15), + GATE_MM1(CLK_MM_DPI1_ENGINE, "mm_dpi1_engine", "smi_mm", 16), + GATE_MM1(CLK_MM_DPI1_PXL, "mm_dpi1_pxl", "rg_fdpi1", 17), + GATE_MM1(CLK_MM_HDMI_PXL, "mm_hdmi_pxl", "rg_fdpi1", 18), + GATE_MM1(CLK_MM_HDMI_SPDIF, "mm_hdmi_spdif", "apll12_div6", 19), + GATE_MM1(CLK_MM_HDMI_ADSP_BCK, "mm_hdmi_adsp_b", "apll12_div4b", 20), + GATE_MM1(CLK_MM_HDMI_PLL, "mm_hdmi_pll", "hdmtx_dig_cts", 21), +}; + +struct clk_mt8167_mm_driver_data { + const struct mtk_gate *gates_clk; + int gates_num; +}; + +static const struct clk_mt8167_mm_driver_data mt8167_mmsys_driver_data = { + .gates_clk = mm_clks, + .gates_num = ARRAY_SIZE(mm_clks), +}; + +static int clk_mt8167_mm_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct device_node *node = dev->parent->of_node; + const struct clk_mt8167_mm_driver_data *data; + struct clk_onecell_data *clk_data; + int ret; + + clk_data = mtk_alloc_clk_data(CLK_MM_NR_CLK); + if (!clk_data) + return -ENOMEM; + + data = &mt8167_mmsys_driver_data; + + ret = mtk_clk_register_gates(node, data->gates_clk, data->gates_num, + clk_data); + if (ret) + return ret; + + ret = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data); + if (ret) + return ret; + + return 0; +} + +static struct platform_driver clk_mt8173_mm_drv = { + .driver = { + .name = "clk-mt8167-mm", + }, + .probe = clk_mt8167_mm_probe, +}; + +builtin_platform_driver(clk_mt8173_mm_drv); |