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clk: mediatek: Add MT8192 msdc clock support

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Add MT8192 msdc and msdc top clock providers

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/20210726105719.15793-19-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 18:57:16 +08:00 committed by Stephen Boyd
parent 9d44859bfe
commit a1a5b6b0a8
3 changed files with 92 additions and 0 deletions
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6
drivers/clk/mediatek/Kconfig
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@ -556,6 +556,12 @@ config COMMON_CLK_MT8192_MMSYS
help
This driver supports MediaTek MT8192 mmsys clocks.
config COMMON_CLK_MT8192_MSDC
bool "Clock driver for MediaTek MT8192 msdc"
depends on COMMON_CLK_MT8192
help
This driver supports MediaTek MT8192 msdc and msdc_top clocks.
config COMMON_CLK_MT8516
bool "Clock driver for MediaTek MT8516"
depends on ARCH_MEDIATEK || COMPILE_TEST

1
drivers/clk/mediatek/Makefile
View File

@ -76,5 +76,6 @@ 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-$(CONFIG_COMMON_CLK_MT8192_MSDC) += clk-mt8192-msdc.o
obj-$(CONFIG_COMMON_CLK_MT8516) += clk-mt8516.o
obj-$(CONFIG_COMMON_CLK_MT8516_AUDSYS) += clk-mt8516-aud.o

85
drivers/clk/mediatek/clk-mt8192-msdc.c Normal file
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@ -0,0 +1,85 @@
// 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 msdc_cg_regs = {
.set_ofs = 0xb4,
.clr_ofs = 0xb4,
.sta_ofs = 0xb4,
};
static const struct mtk_gate_regs msdc_top_cg_regs = {
.set_ofs = 0x0,
.clr_ofs = 0x0,
.sta_ofs = 0x0,
};
#define GATE_MSDC(_id, _name, _parent, _shift) \
GATE_MTK(_id, _name, _parent, &msdc_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr_inv)
#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_clks[] = {
GATE_MSDC(CLK_MSDC_AXI_WRAP, "msdc_axi_wrap", "axi_sel", 22),
};
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 const struct mtk_clk_desc msdc_desc = {
.clks = msdc_clks,
.num_clks = ARRAY_SIZE(msdc_clks),
};
static const struct mtk_clk_desc msdc_top_desc = {
.clks = msdc_top_clks,
.num_clks = ARRAY_SIZE(msdc_top_clks),
};
static const struct of_device_id of_match_clk_mt8192_msdc[] = {
{
.compatible = "mediatek,mt8192-msdc",
.data = &msdc_desc,
}, {
.compatible = "mediatek,mt8192-msdc_top",
.data = &msdc_top_desc,
}, {
/* sentinel */
}
};
static struct platform_driver clk_mt8192_msdc_drv = {
.probe = mtk_clk_simple_probe,
.driver = {
.name = "clk-mt8192-msdc",
.of_match_table = of_match_clk_mt8192_msdc,
},
};
builtin_platform_driver(clk_mt8192_msdc_drv);