Add MT8192 ipesys clock provider Signed-off-by: Weiyi Lu <weiyi.lu@xxxxxxxxxxxx> Signed-off-by: Chun-Jie Chen <chun-jie.chen@xxxxxxxxxxxx> --- drivers/clk/mediatek/Kconfig | 6 +++ drivers/clk/mediatek/Makefile | 1 + drivers/clk/mediatek/clk-mt8192-ipe.c | 57 +++++++++++++++++++++++++++ 3 files changed, 64 insertions(+) create mode 100644 drivers/clk/mediatek/clk-mt8192-ipe.c diff --git a/drivers/clk/mediatek/Kconfig b/drivers/clk/mediatek/Kconfig index 5becf049d9fa..02e626270ee7 100644 --- a/drivers/clk/mediatek/Kconfig +++ b/drivers/clk/mediatek/Kconfig @@ -532,6 +532,12 @@ config COMMON_CLK_MT8192_IMP_IIC_WRAP help This driver supports MediaTek MT8192 imp_iic_wrap clocks. +config COMMON_CLK_MT8192_IPESYS + bool "Clock driver for MediaTek MT8192 ipesys" + depends on COMMON_CLK_MT8192 + help + This driver supports MediaTek MT8192 ipesys 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 37981626b775..33dc974c6638 100644 --- a/drivers/clk/mediatek/Makefile +++ b/drivers/clk/mediatek/Makefile @@ -72,5 +72,6 @@ obj-$(CONFIG_COMMON_CLK_MT8192_AUDSYS) += clk-mt8192-aud.o obj-$(CONFIG_COMMON_CLK_MT8192_CAMSYS) += clk-mt8192-cam.o obj-$(CONFIG_COMMON_CLK_MT8192_IMGSYS) += clk-mt8192-img.o obj-$(CONFIG_COMMON_CLK_MT8192_IMP_IIC_WRAP) += clk-mt8192-imp_iic_wrap.o +obj-$(CONFIG_COMMON_CLK_MT8192_IPESYS) += clk-mt8192-ipe.o obj-$(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-ipe.c b/drivers/clk/mediatek/clk-mt8192-ipe.c new file mode 100644 index 000000000000..730d91b64b3f --- /dev/null +++ b/drivers/clk/mediatek/clk-mt8192-ipe.c @@ -0,0 +1,57 @@ +// SPDX-License-Identifier: GPL-2.0-only +// +// Copyright (c) 2021 MediaTek Inc. +// Author: Chun-Jie Chen <chun-jie.chen@xxxxxxxxxxxx> + +#include <linux/clk-provider.h> +#include <linux/of_device.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 ipe_cg_regs = { + .set_ofs = 0x4, + .clr_ofs = 0x8, + .sta_ofs = 0x0, +}; + +#define GATE_IPE(_id, _name, _parent, _shift) \ + GATE_MTK(_id, _name, _parent, &ipe_cg_regs, _shift, &mtk_clk_gate_ops_setclr) + +static const struct mtk_gate ipe_clks[] = { + GATE_IPE(CLK_IPE_LARB19, "ipe_larb19", "ipe_sel", 0), + GATE_IPE(CLK_IPE_LARB20, "ipe_larb20", "ipe_sel", 1), + GATE_IPE(CLK_IPE_SMI_SUBCOM, "ipe_smi_subcom", "ipe_sel", 2), + GATE_IPE(CLK_IPE_FD, "ipe_fd", "ipe_sel", 3), + GATE_IPE(CLK_IPE_FE, "ipe_fe", "ipe_sel", 4), + GATE_IPE(CLK_IPE_RSC, "ipe_rsc", "ipe_sel", 5), + GATE_IPE(CLK_IPE_DPE, "ipe_dpe", "ipe_sel", 6), + GATE_IPE(CLK_IPE_GALS, "ipe_gals", "ipe_sel", 8), +}; + +static const struct mtk_clk_desc ipe_desc = { + .clks = ipe_clks, + .num_clks = ARRAY_SIZE(ipe_clks), +}; + +static const struct of_device_id of_match_clk_mt8192_ipe[] = { + { + .compatible = "mediatek,mt8192-ipesys", + .data = &ipe_desc, + }, { + /* sentinel */ + } +}; + +static struct platform_driver clk_mt8192_ipe_drv = { + .probe = mtk_clk_simple_probe, + .driver = { + .name = "clk-mt8192-ipe", + .of_match_table = of_match_clk_mt8192_ipe, + }, +}; + +builtin_platform_driver(clk_mt8192_ipe_drv); -- 2.18.0