Messages in this thread Patch in this message | | | From | Weiyi Lu <> | Subject | [PATCH v4 29/34] clk: mediatek: Add MT8192 msdc top clock support | Date | Thu, 22 Oct 2020 20:37:22 +0800 |
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Add MT8192 msdc top clock provider
Signed-off-by: Weiyi Lu <weiyi.lu@mediatek.com> --- drivers/clk/mediatek/Kconfig | 6 +++ drivers/clk/mediatek/Makefile | 1 + drivers/clk/mediatek/clk-mt8192-msdc_top.c | 71 ++++++++++++++++++++++++++++++ 3 files changed, 78 insertions(+) create mode 100644 drivers/clk/mediatek/clk-mt8192-msdc_top.c
diff --git a/drivers/clk/mediatek/Kconfig b/drivers/clk/mediatek/Kconfig index 218d23f..01a76ae 100644 --- a/drivers/clk/mediatek/Kconfig +++ b/drivers/clk/mediatek/Kconfig @@ -551,6 +551,12 @@ config COMMON_CLK_MT8192_MMSYS help This driver supports MediaTek MT8192 mmsys clocks. +config COMMON_CLK_MT8192_MSDC_TOP + bool "Clock driver for MediaTek MT8192 msdc_top" + depends on COMMON_CLK_MT8192 + help + This driver supports MediaTek MT8192 msdc_top clocks. + config COMMON_CLK_MT8516 bool "Clock driver for MediaTek MT8516" depends on ARCH_MEDIATEK || COMPILE_TEST diff --git a/drivers/clk/mediatek/Makefile b/drivers/clk/mediatek/Makefile index 87868f7..4a30269 100644 --- a/drivers/clk/mediatek/Makefile +++ b/drivers/clk/mediatek/Makefile @@ -79,5 +79,6 @@ obj-$(CONFIG_COMMON_CLK_MT8192_IPESYS) += clk-mt8192-ipe.o obj-$(CONFIG_COMMON_CLK_MT8192_MDPSYS) += clk-mt8192-mdp.o obj-$(CONFIG_COMMON_CLK_MT8192_MFGCFG) += clk-mt8192-mfg.o obj-$(CONFIG_COMMON_CLK_MT8192_MMSYS) += clk-mt8192-mm.o +obj-$(CONFIG_COMMON_CLK_MT8192_MSDC_TOP) += clk-mt8192-msdc_top.o obj-$(CONFIG_COMMON_CLK_MT8516) += clk-mt8516.o obj-$(CONFIG_COMMON_CLK_MT8516_AUDSYS) += clk-mt8516-aud.o diff --git a/drivers/clk/mediatek/clk-mt8192-msdc_top.c b/drivers/clk/mediatek/clk-mt8192-msdc_top.c new file mode 100644 index 0000000..6f5ad65 --- /dev/null +++ b/drivers/clk/mediatek/clk-mt8192-msdc_top.c @@ -0,0 +1,71 @@ +// SPDX-License-Identifier: GPL-2.0-only +// +// Copyright (c) 2020 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/mt8192-clk.h> + +static const struct mtk_gate_regs msdc_top_cg_regs = { + .set_ofs = 0x0, + .clr_ofs = 0x0, + .sta_ofs = 0x0, +}; + +#define GATE_MSDC_TOP(_id, _name, _parent, _shift) \ + GATE_MTK(_id, _name, _parent, &msdc_top_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr_inv) + +static const struct mtk_gate msdc_top_clks[] = { + GATE_MSDC_TOP(CLK_MSDC_TOP_AES_0P, "msdc_top_aes_0p", "aes_msdcfde_sel", 0), + GATE_MSDC_TOP(CLK_MSDC_TOP_SRC_0P, "msdc_top_src_0p", "infra_msdc0_src", 1), + GATE_MSDC_TOP(CLK_MSDC_TOP_SRC_1P, "msdc_top_src_1p", "infra_msdc1_src", 2), + GATE_MSDC_TOP(CLK_MSDC_TOP_SRC_2P, "msdc_top_src_2p", "infra_msdc2_src", 3), + GATE_MSDC_TOP(CLK_MSDC_TOP_P_MSDC0, "msdc_top_p_msdc0", "axi_sel", 4), + GATE_MSDC_TOP(CLK_MSDC_TOP_P_MSDC1, "msdc_top_p_msdc1", "axi_sel", 5), + GATE_MSDC_TOP(CLK_MSDC_TOP_P_MSDC2, "msdc_top_p_msdc2", "axi_sel", 6), + GATE_MSDC_TOP(CLK_MSDC_TOP_P_CFG, "msdc_top_p_cfg", "axi_sel", 7), + GATE_MSDC_TOP(CLK_MSDC_TOP_AXI, "msdc_top_axi", "axi_sel", 8), + GATE_MSDC_TOP(CLK_MSDC_TOP_H_MST_0P, "msdc_top_h_mst_0p", "infra_msdc0", 9), + GATE_MSDC_TOP(CLK_MSDC_TOP_H_MST_1P, "msdc_top_h_mst_1p", "infra_msdc1", 10), + GATE_MSDC_TOP(CLK_MSDC_TOP_H_MST_2P, "msdc_top_h_mst_2p", "infra_msdc2", 11), + GATE_MSDC_TOP(CLK_MSDC_TOP_MEM_OFF_DLY_26M, "msdc_top_mem_off_dly_26m", "clk26m", 12), + GATE_MSDC_TOP(CLK_MSDC_TOP_32K, "msdc_top_32k", "clk32k", 13), + GATE_MSDC_TOP(CLK_MSDC_TOP_AHB2AXI_BRG_AXI, "msdc_top_ahb2axi_brg_axi", "axi_sel", 14), +}; + +static int clk_mt8192_msdc_top_probe(struct platform_device *pdev) +{ + struct clk_onecell_data *clk_data; + struct device_node *node = pdev->dev.of_node; + int r; + + clk_data = mtk_alloc_clk_data(CLK_MSDC_TOP_NR_CLK); + if (!clk_data) + return -ENOMEM; + + r = mtk_clk_register_gates(node, msdc_top_clks, ARRAY_SIZE(msdc_top_clks), clk_data); + if (r) + return r; + + return of_clk_add_provider(node, of_clk_src_onecell_get, clk_data); +} + +static const struct of_device_id of_match_clk_mt8192_msdc_top[] = { + { .compatible = "mediatek,mt8192-msdc_top", }, + {} +}; + +static struct platform_driver clk_mt8192_msdc_top_drv = { + .probe = clk_mt8192_msdc_top_probe, + .driver = { + .name = "clk-mt8192-msdc_top", + .of_match_table = of_match_clk_mt8192_msdc_top, + }, +}; + +builtin_platform_driver(clk_mt8192_msdc_top_drv); -- 1.8.1.1.dirty | |