From 0d2f2cefba64729a0730ce183ad58cf3e7929b94 Mon Sep 17 00:00:00 2001 From: "Garmin.Chang" Date: Fri, 31 Mar 2023 20:36:21 +0800 Subject: [PATCH] clk: mediatek: Add MT8188 adsp clock support Add MT8188 adsp clock controller which provides clock gate control for Audio DSP. Signed-off-by: Garmin.Chang Reviewed-by: AngeloGioacchino Del Regno Link: https://lore.kernel.org/r/20230331123621.16167-20-Garmin.Chang@mediatek.com Signed-off-by: Stephen Boyd --- drivers/clk/mediatek/Kconfig | 7 ++++ drivers/clk/mediatek/Makefile | 1 + drivers/clk/mediatek/clk-mt8188-adsp_audio26m.c | 48 +++++++++++++++++++++++++ 3 files changed, 56 insertions(+) create mode 100644 drivers/clk/mediatek/clk-mt8188-adsp_audio26m.c diff --git a/drivers/clk/mediatek/Kconfig b/drivers/clk/mediatek/Kconfig index afabdff..99e67c0 100644 --- a/drivers/clk/mediatek/Kconfig +++ b/drivers/clk/mediatek/Kconfig @@ -692,6 +692,13 @@ config COMMON_CLK_MT8188 help This driver supports MediaTek MT8188 clocks. +config COMMON_CLK_MT8188_ADSP_AUDIO26M + tristate "Clock driver for MediaTek MT8188 adsp audio26m" + depends on COMMON_CLK_MT8188 + default COMMON_CLK_MT8188 + help + This driver supports MediaTek MT8188 adsp audio26m clocks. + config COMMON_CLK_MT8188_CAMSYS tristate "Clock driver for MediaTek MT8188 camsys" depends on COMMON_CLK_MT8188_VPPSYS diff --git a/drivers/clk/mediatek/Makefile b/drivers/clk/mediatek/Makefile index 7ef67ac..dbeaa5b 100644 --- a/drivers/clk/mediatek/Makefile +++ b/drivers/clk/mediatek/Makefile @@ -102,6 +102,7 @@ obj-$(CONFIG_COMMON_CLK_MT8186_VENCSYS) += clk-mt8186-venc.o obj-$(CONFIG_COMMON_CLK_MT8186_WPESYS) += clk-mt8186-wpe.o obj-$(CONFIG_COMMON_CLK_MT8188) += clk-mt8188-apmixedsys.o clk-mt8188-topckgen.o \ clk-mt8188-peri_ao.o clk-mt8188-infra_ao.o +obj-$(CONFIG_COMMON_CLK_MT8188_ADSP_AUDIO26M) += clk-mt8188-adsp_audio26m.o obj-$(CONFIG_COMMON_CLK_MT8188_CAMSYS) += clk-mt8188-cam.o clk-mt8188-ccu.o obj-$(CONFIG_COMMON_CLK_MT8188_IMGSYS) += clk-mt8188-img.o obj-$(CONFIG_COMMON_CLK_MT8188_IMP_IIC_WRAP) += clk-mt8188-imp_iic_wrap.o diff --git a/drivers/clk/mediatek/clk-mt8188-adsp_audio26m.c b/drivers/clk/mediatek/clk-mt8188-adsp_audio26m.c new file mode 100644 index 0000000..b3c31ff --- /dev/null +++ b/drivers/clk/mediatek/clk-mt8188-adsp_audio26m.c @@ -0,0 +1,48 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2022 MediaTek Inc. + * Author: Garmin Chang + */ + +#include +#include +#include + +#include "clk-gate.h" +#include "clk-mtk.h" + +static const struct mtk_gate_regs adsp_audio26m_cg_regs = { + .set_ofs = 0x80, + .clr_ofs = 0x80, + .sta_ofs = 0x80, +}; + +#define GATE_ADSP_FLAGS(_id, _name, _parent, _shift) \ + GATE_MTK(_id, _name, _parent, &adsp_audio26m_cg_regs, _shift, \ + &mtk_clk_gate_ops_no_setclr) + +static const struct mtk_gate adsp_audio26m_clks[] = { + GATE_ADSP_FLAGS(CLK_AUDIODSP_AUDIO26M, "audiodsp_audio26m", "clk26m", 3), +}; + +static const struct mtk_clk_desc adsp_audio26m_desc = { + .clks = adsp_audio26m_clks, + .num_clks = ARRAY_SIZE(adsp_audio26m_clks), +}; + +static const struct of_device_id of_match_clk_mt8188_adsp_audio26m[] = { + { .compatible = "mediatek,mt8188-adsp-audio26m", .data = &adsp_audio26m_desc }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(platform, of_match_clk_mt8188_adsp_audio26m); + +static struct platform_driver clk_mt8188_adsp_audio26m_drv = { + .probe = mtk_clk_simple_probe, + .remove = mtk_clk_simple_remove, + .driver = { + .name = "clk-mt8188-adsp_audio26m", + .of_match_table = of_match_clk_mt8188_adsp_audio26m, + }, +}; +module_platform_driver(clk_mt8188_adsp_audio26m_drv); +MODULE_LICENSE("GPL"); -- 2.7.4