[PATCH 12/22] clk: mediatek: Add MT8195 scp adsp clock support
STALE1865d
From: Chun-Jie Chen <hidden>
Date: 2021-06-16 22:50:18
Also in:
linux-clk, linux-devicetree, linux-mediatek, lkml
Subsystem:
common clk framework, the rest · Maintainers:
Stephen Boyd, Brian Masney, Jerome Brunet, Linus Torvalds
Add MT8195 scp adsp clock provider Signed-off-by: Chun-Jie Chen <redacted> --- drivers/clk/mediatek/Kconfig | 6 +++ drivers/clk/mediatek/Makefile | 1 + drivers/clk/mediatek/clk-mt8195-scp_adsp.c | 49 ++++++++++++++++++++++ 3 files changed, 56 insertions(+) create mode 100644 drivers/clk/mediatek/clk-mt8195-scp_adsp.c
diff --git a/drivers/clk/mediatek/Kconfig b/drivers/clk/mediatek/Kconfig
index 066c14a89cee..7cb745d47770 100644
--- a/drivers/clk/mediatek/Kconfig
+++ b/drivers/clk/mediatek/Kconfig@@ -630,6 +630,12 @@ config COMMON_CLK_MT8195_MFGCFG help This driver supports MediaTek MT8195 mfgcfg clocks. +config COMMON_CLK_MT8195_SCP_ADSP + bool "Clock driver for MediaTek MT8195 scp_adsp" + depends on COMMON_CLK_MT8195 + help + This driver supports MediaTek MT8195 scp_adsp 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 9b09e7f640d1..058ff55468a2 100644
--- a/drivers/clk/mediatek/Makefile
+++ b/drivers/clk/mediatek/Makefile@@ -88,5 +88,6 @@ obj-$(CONFIG_COMMON_CLK_MT8195_CCUSYS) += clk-mt8195-ccu.o obj-$(CONFIG_COMMON_CLK_MT8195_IMGSYS) += clk-mt8195-img.o obj-$(CONFIG_COMMON_CLK_MT8195_IPESYS) += clk-mt8195-ipe.o obj-$(CONFIG_COMMON_CLK_MT8195_MFGCFG) += clk-mt8195-mfg.o +obj-$(CONFIG_COMMON_CLK_MT8195_SCP_ADSP) += clk-mt8195-scp_adsp.o obj-$(CONFIG_COMMON_CLK_MT8516) += clk-mt8516.o obj-$(CONFIG_COMMON_CLK_MT8516_AUDSYS) += clk-mt8516-aud.o
diff --git a/drivers/clk/mediatek/clk-mt8195-scp_adsp.c b/drivers/clk/mediatek/clk-mt8195-scp_adsp.c
new file mode 100644
index 000000000000..2ecf90cabadb
--- /dev/null
+++ b/drivers/clk/mediatek/clk-mt8195-scp_adsp.c@@ -0,0 +1,49 @@ +// SPDX-License-Identifier: GPL-2.0-only +// +// Copyright (c) 2021 MediaTek Inc. +// Author: Chun-Jie Chen <chun-jie.chen@mediatek.com> + +#include <linux/clk-provider.h> +#include <linux/platform_device.h> + +#include "clk-mtk.h" +#include "clk-gate.h" + +#include <dt-bindings/clock/mt8195-clk.h> + +static const struct mtk_gate_regs scp_adsp_cg_regs = { + .set_ofs = 0x180, + .clr_ofs = 0x180, + .sta_ofs = 0x180, +}; + +#define GATE_SCP_ADSP(_id, _name, _parent, _shift) \ + GATE_MTK(_id, _name, _parent, &scp_adsp_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr) + +static const struct mtk_gate scp_adsp_clks[] = { + GATE_SCP_ADSP(CLK_SCP_ADSP_AUDIODSP, "scp_adsp_audiodsp", "adsp_sel", 0), +}; + +static const struct mtk_clk_desc scp_adsp_desc = { + .clks = scp_adsp_clks, + .num_clks = ARRAY_SIZE(scp_adsp_clks), +}; + +static const struct of_device_id of_match_clk_mt8195_scp_adsp[] = { + { + .compatible = "mediatek,mt8195-scp_adsp", + .data = &scp_adsp_desc, + }, { + /* sentinel */ + } +}; + +static struct platform_driver clk_mt8195_scp_adsp_drv = { + .probe = mtk_clk_simple_probe, + .driver = { + .name = "clk-mt8195-scp_adsp", + .of_match_table = of_match_clk_mt8195_scp_adsp, + }, +}; + +builtin_platform_driver(clk_mt8195_scp_adsp_drv);
--
2.18.0
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