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clk: mediatek: Add MT8192 scp adsp clock support

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Add MT8192 scp adsp clock provider

Signed-off-by: Weiyi Lu <weiyi.lu@mediatek.com>
Signed-off-by: Chun-Jie Chen <chun-jie.chen@mediatek.com>
Link: https://lore.kernel.org/r/20210726105719.15793-20-chun-jie.chen@mediatek.com
Reviewed-by: Ikjoon Jang <ikjn@chromium.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
This commit is contained in:
Chun-Jie Chen 2021-07-26 18:57:17 +08:00 committed by Stephen Boyd
parent a1a5b6b0a8
commit aff125adc0
3 changed files with 57 additions and 0 deletions
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6
drivers/clk/mediatek/Kconfig
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@ -562,6 +562,12 @@ config COMMON_CLK_MT8192_MSDC
help
This driver supports MediaTek MT8192 msdc and msdc_top clocks.
config COMMON_CLK_MT8192_SCP_ADSP
bool "Clock driver for MediaTek MT8192 scp_adsp"
depends on COMMON_CLK_MT8192
help
This driver supports MediaTek MT8192 scp_adsp clocks.
config COMMON_CLK_MT8516
bool "Clock driver for MediaTek MT8516"
depends on ARCH_MEDIATEK || COMPILE_TEST

1
drivers/clk/mediatek/Makefile
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@ -77,5 +77,6 @@ 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) += clk-mt8192-msdc.o
obj-$(CONFIG_COMMON_CLK_MT8192_SCP_ADSP) += clk-mt8192-scp_adsp.o
obj-$(CONFIG_COMMON_CLK_MT8516) += clk-mt8516.o
obj-$(CONFIG_COMMON_CLK_MT8516_AUDSYS) += clk-mt8516-aud.o

50
drivers/clk/mediatek/clk-mt8192-scp_adsp.c Normal file
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@ -0,0 +1,50 @@
// 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/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 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_mt8192_scp_adsp[] = {
{
.compatible = "mediatek,mt8192-scp_adsp",
.data = &scp_adsp_desc,
}, {
/* sentinel */
}
};
static struct platform_driver clk_mt8192_scp_adsp_drv = {
.probe = mtk_clk_simple_probe,
.driver = {
.name = "clk-mt8192-scp_adsp",
.of_match_table = of_match_clk_mt8192_scp_adsp,
},
};
builtin_platform_driver(clk_mt8192_scp_adsp_drv);