diff options
Diffstat (limited to 'drivers/clk/imx/clk-imx95-blk-ctl.c')
| -rw-r--r-- | drivers/clk/imx/clk-imx95-blk-ctl.c | 95 |
1 files changed, 74 insertions, 21 deletions
diff --git a/drivers/clk/imx/clk-imx95-blk-ctl.c b/drivers/clk/imx/clk-imx95-blk-ctl.c index 25974947ad0c..7e88877a6245 100644 --- a/drivers/clk/imx/clk-imx95-blk-ctl.c +++ b/drivers/clk/imx/clk-imx95-blk-ctl.c @@ -1,8 +1,9 @@ // SPDX-License-Identifier: GPL-2.0 /* - * Copyright 2024 NXP + * Copyright 2024-2025 NXP */ +#include <dt-bindings/clock/nxp,imx94-clock.h> #include <dt-bindings/clock/nxp,imx95-clock.h> #include <linux/clk.h> #include <linux/clk-provider.h> @@ -156,7 +157,7 @@ static const struct imx95_blk_ctl_dev_data camblk_dev_data = { .clk_reg_offset = 0, }; -static const struct imx95_blk_ctl_clk_dev_data lvds_clk_dev_data[] = { +static const struct imx95_blk_ctl_clk_dev_data imx95_lvds_clk_dev_data[] = { [IMX95_CLK_DISPMIX_LVDS_PHY_DIV] = { .name = "ldb_phy_div", .parent_names = (const char *[]){ "ldbpll", }, @@ -213,17 +214,21 @@ static const struct imx95_blk_ctl_clk_dev_data lvds_clk_dev_data[] = { }, }; -static const struct imx95_blk_ctl_dev_data lvds_csr_dev_data = { - .num_clks = ARRAY_SIZE(lvds_clk_dev_data), - .clk_dev_data = lvds_clk_dev_data, +static const struct imx95_blk_ctl_dev_data imx95_lvds_csr_dev_data = { + .num_clks = ARRAY_SIZE(imx95_lvds_clk_dev_data), + .clk_dev_data = imx95_lvds_clk_dev_data, .clk_reg_offset = 0, }; -static const struct imx95_blk_ctl_clk_dev_data dispmix_csr_clk_dev_data[] = { +static const char * const imx95_disp_engine_parents[] = { + "videopll1", "dsi_pll", "ldb_pll_div7" +}; + +static const struct imx95_blk_ctl_clk_dev_data imx95_dispmix_csr_clk_dev_data[] = { [IMX95_CLK_DISPMIX_ENG0_SEL] = { .name = "disp_engine0_sel", - .parent_names = (const char *[]){"videopll1", "dsi_pll", "ldb_pll_div7", }, - .num_parents = 4, + .parent_names = imx95_disp_engine_parents, + .num_parents = ARRAY_SIZE(imx95_disp_engine_parents), .reg = 0, .bit_idx = 0, .bit_width = 2, @@ -232,8 +237,8 @@ static const struct imx95_blk_ctl_clk_dev_data dispmix_csr_clk_dev_data[] = { }, [IMX95_CLK_DISPMIX_ENG1_SEL] = { .name = "disp_engine1_sel", - .parent_names = (const char *[]){"videopll1", "dsi_pll", "ldb_pll_div7", }, - .num_parents = 4, + .parent_names = imx95_disp_engine_parents, + .num_parents = ARRAY_SIZE(imx95_disp_engine_parents), .reg = 0, .bit_idx = 2, .bit_width = 2, @@ -242,9 +247,9 @@ static const struct imx95_blk_ctl_clk_dev_data dispmix_csr_clk_dev_data[] = { } }; -static const struct imx95_blk_ctl_dev_data dispmix_csr_dev_data = { - .num_clks = ARRAY_SIZE(dispmix_csr_clk_dev_data), - .clk_dev_data = dispmix_csr_clk_dev_data, +static const struct imx95_blk_ctl_dev_data imx95_dispmix_csr_dev_data = { + .num_clks = ARRAY_SIZE(imx95_dispmix_csr_clk_dev_data), + .clk_dev_data = imx95_dispmix_csr_clk_dev_data, .clk_reg_offset = 0, }; @@ -296,6 +301,51 @@ static const struct imx95_blk_ctl_dev_data hsio_blk_ctl_dev_data = { .clk_reg_offset = 0, }; +static const struct imx95_blk_ctl_clk_dev_data imx94_lvds_clk_dev_data[] = { + [IMX94_CLK_DISPMIX_LVDS_CLK_GATE] = { + .name = "lvds_clk_gate", + .parent_names = (const char *[]){ "ldbpll", }, + .num_parents = 1, + .reg = 0, + .bit_idx = 1, + .bit_width = 1, + .type = CLK_GATE, + .flags = CLK_SET_RATE_PARENT, + .flags2 = CLK_GATE_SET_TO_DISABLE, + }, +}; + +static const struct imx95_blk_ctl_dev_data imx94_lvds_csr_dev_data = { + .num_clks = ARRAY_SIZE(imx94_lvds_clk_dev_data), + .clk_dev_data = imx94_lvds_clk_dev_data, + .clk_reg_offset = 0, + .rpm_enabled = true, +}; + +static const char * const imx94_disp_engine_parents[] = { + "disppix", "ldb_pll_div7" +}; + +static const struct imx95_blk_ctl_clk_dev_data imx94_dispmix_csr_clk_dev_data[] = { + [IMX94_CLK_DISPMIX_CLK_SEL] = { + .name = "disp_clk_sel", + .parent_names = imx94_disp_engine_parents, + .num_parents = ARRAY_SIZE(imx94_disp_engine_parents), + .reg = 0, + .bit_idx = 1, + .bit_width = 1, + .type = CLK_MUX, + .flags = CLK_SET_RATE_NO_REPARENT | CLK_SET_RATE_PARENT, + }, +}; + +static const struct imx95_blk_ctl_dev_data imx94_dispmix_csr_dev_data = { + .num_clks = ARRAY_SIZE(imx94_dispmix_csr_clk_dev_data), + .clk_dev_data = imx94_dispmix_csr_clk_dev_data, + .clk_reg_offset = 0, + .rpm_enabled = true, +}; + static int imx95_bc_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; @@ -338,8 +388,10 @@ static int imx95_bc_probe(struct platform_device *pdev) if (!clk_hw_data) return -ENOMEM; - if (bc_data->rpm_enabled) - pm_runtime_enable(&pdev->dev); + if (bc_data->rpm_enabled) { + devm_pm_runtime_enable(&pdev->dev); + pm_runtime_resume_and_get(&pdev->dev); + } clk_hw_data->num = bc_data->num_clks; hws = clk_hw_data->hws; @@ -379,8 +431,10 @@ static int imx95_bc_probe(struct platform_device *pdev) goto cleanup; } - if (pm_runtime_enabled(bc->dev)) + if (pm_runtime_enabled(bc->dev)) { + pm_runtime_put_sync(&pdev->dev); clk_disable_unprepare(bc->clk_apb); + } return 0; @@ -391,9 +445,6 @@ cleanup: clk_hw_unregister(hws[i]); } - if (bc_data->rpm_enabled) - pm_runtime_disable(&pdev->dev); - return ret; } @@ -462,10 +513,12 @@ static const struct dev_pm_ops imx95_bc_pm_ops = { }; static const struct of_device_id imx95_bc_of_match[] = { + { .compatible = "nxp,imx94-display-csr", .data = &imx94_dispmix_csr_dev_data }, + { .compatible = "nxp,imx94-lvds-csr", .data = &imx94_lvds_csr_dev_data }, { .compatible = "nxp,imx95-camera-csr", .data = &camblk_dev_data }, { .compatible = "nxp,imx95-display-master-csr", }, - { .compatible = "nxp,imx95-lvds-csr", .data = &lvds_csr_dev_data }, - { .compatible = "nxp,imx95-display-csr", .data = &dispmix_csr_dev_data }, + { .compatible = "nxp,imx95-display-csr", .data = &imx95_dispmix_csr_dev_data }, + { .compatible = "nxp,imx95-lvds-csr", .data = &imx95_lvds_csr_dev_data }, { .compatible = "nxp,imx95-hsio-blk-ctl", .data = &hsio_blk_ctl_dev_data }, { .compatible = "nxp,imx95-vpu-csr", .data = &vpublk_dev_data }, { .compatible = "nxp,imx95-netcmix-blk-ctrl", .data = &netcmix_dev_data}, |