diff options
Diffstat (limited to 'drivers/clk/mediatek/clk-mt8365-mm.c')
| -rw-r--r-- | drivers/clk/mediatek/clk-mt8365-mm.c | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/drivers/clk/mediatek/clk-mt8365-mm.c b/drivers/clk/mediatek/clk-mt8365-mm.c new file mode 100644 index 000000000000..5c8bf18ab1f1 --- /dev/null +++ b/drivers/clk/mediatek/clk-mt8365-mm.c @@ -0,0 +1,112 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2022 MediaTek Inc. + * Copyright (c) 2022 BayLibre, SAS + */ + +#include <dt-bindings/clock/mediatek,mt8365-clk.h> +#include <linux/clk-provider.h> +#include <linux/platform_device.h> + +#include "clk-gate.h" +#include "clk-mtk.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_MM_MDP_RDMA0, "mm_mdp_rdma0", "mm_sel", 0), + GATE_MM0(CLK_MM_MM_MDP_CCORR0, "mm_mdp_ccorr0", "mm_sel", 1), + GATE_MM0(CLK_MM_MM_MDP_RSZ0, "mm_mdp_rsz0", "mm_sel", 2), + GATE_MM0(CLK_MM_MM_MDP_RSZ1, "mm_mdp_rsz1", "mm_sel", 3), + GATE_MM0(CLK_MM_MM_MDP_TDSHP0, "mm_mdp_tdshp0", "mm_sel", 4), + GATE_MM0(CLK_MM_MM_MDP_WROT0, "mm_mdp_wrot0", "mm_sel", 5), + GATE_MM0(CLK_MM_MM_MDP_WDMA0, "mm_mdp_wdma0", "mm_sel", 6), + GATE_MM0(CLK_MM_MM_DISP_OVL0, "mm_disp_ovl0", "mm_sel", 7), + GATE_MM0(CLK_MM_MM_DISP_OVL0_2L, "mm_disp_ovl0_2l", "mm_sel", 8), + GATE_MM0(CLK_MM_MM_DISP_RSZ0, "mm_disp_rsz0", "mm_sel", 9), + GATE_MM0(CLK_MM_MM_DISP_RDMA0, "mm_disp_rdma0", "mm_sel", 10), + GATE_MM0(CLK_MM_MM_DISP_WDMA0, "mm_disp_wdma0", "mm_sel", 11), + GATE_MM0(CLK_MM_MM_DISP_COLOR0, "mm_disp_color0", "mm_sel", 12), + GATE_MM0(CLK_MM_MM_DISP_CCORR0, "mm_disp_ccorr0", "mm_sel", 13), + GATE_MM0(CLK_MM_MM_DISP_AAL0, "mm_disp_aal0", "mm_sel", 14), + GATE_MM0(CLK_MM_MM_DISP_GAMMA0, "mm_disp_gamma0", "mm_sel", 15), + GATE_MM0(CLK_MM_MM_DISP_DITHER0, "mm_disp_dither0", "mm_sel", 16), + GATE_MM0(CLK_MM_MM_DSI0, "mm_dsi0", "mm_sel", 17), + GATE_MM0(CLK_MM_MM_DISP_RDMA1, "mm_disp_rdma1", "mm_sel", 18), + GATE_MM0(CLK_MM_MM_MDP_RDMA1, "mm_mdp_rdma1", "mm_sel", 19), + GATE_MM0(CLK_MM_DPI0_DPI0, "mm_dpi0_dpi0", "vpll_dpix", 20), + GATE_MM0(CLK_MM_MM_FAKE, "mm_fake", "mm_sel", 21), + GATE_MM0(CLK_MM_MM_SMI_COMMON, "mm_smi_common", "mm_sel", 22), + GATE_MM0(CLK_MM_MM_SMI_LARB0, "mm_smi_larb0", "mm_sel", 23), + GATE_MM0(CLK_MM_MM_SMI_COMM0, "mm_smi_comm0", "mm_sel", 24), + GATE_MM0(CLK_MM_MM_SMI_COMM1, "mm_smi_comm1", "mm_sel", 25), + GATE_MM0(CLK_MM_MM_CAM_MDP, "mm_cam_mdp", "mm_sel", 26), + GATE_MM0(CLK_MM_MM_SMI_IMG, "mm_smi_img", "mm_sel", 27), + GATE_MM0(CLK_MM_MM_SMI_CAM, "mm_smi_cam", "mm_sel", 28), + GATE_MM0(CLK_MM_IMG_IMG_DL_RELAY, "mm_dl_relay", "mm_sel", 29), + GATE_MM0(CLK_MM_IMG_IMG_DL_ASYNC_TOP, "mm_dl_async_top", "mm_sel", 30), + GATE_MM0(CLK_MM_DSI0_DIG_DSI, "mm_dsi0_dig_dsi", "dsi0_lntc_dsick", 31), + /* MM1 */ + GATE_MM1(CLK_MM_26M_HRTWT, "mm_f26m_hrtwt", "clk26m", 0), + GATE_MM1(CLK_MM_MM_DPI0, "mm_dpi0", "mm_sel", 1), + GATE_MM1(CLK_MM_LVDSTX_PXL, "mm_flvdstx_pxl", "vpll_dpix", 2), + GATE_MM1(CLK_MM_LVDSTX_CTS, "mm_flvdstx_cts", "lvdstx_dig_cts", 3), +}; + +static int clk_mt8365_mm_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct device_node *node = dev->parent->of_node; + struct clk_hw_onecell_data *clk_data; + int ret; + + clk_data = mtk_alloc_clk_data(CLK_MM_NR_CLK); + + ret = mtk_clk_register_gates_with_dev(node, mm_clks, + ARRAY_SIZE(mm_clks), clk_data, + dev); + if (ret) + goto err_free_clk_data; + + ret = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data); + if (ret) + goto err_unregister_gates; + + return 0; + +err_unregister_gates: + mtk_clk_unregister_gates(mm_clks, ARRAY_SIZE(mm_clks), clk_data); + +err_free_clk_data: + mtk_free_clk_data(clk_data); + + return ret; +} + +static struct platform_driver clk_mt8365_mm_drv = { + .probe = clk_mt8365_mm_probe, + .driver = { + .name = "clk-mt8365-mm", + }, +}; +builtin_platform_driver(clk_mt8365_mm_drv); +MODULE_LICENSE("GPL"); |