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authorChun-Jie Chen <chun-jie.chen@mediatek.com>2021-07-26 18:57:14 +0800
committerStephen Boyd <sboyd@kernel.org>2021-07-27 10:53:09 -0700
commit34e1b85549455ec95c46b140526db00447983986 (patch)
tree6e96b2aaa1064f49c69f94253152f7daa70a1082 /drivers/clk
parentb565d41f8c2fbdf4d609dfeb4e055b717c8b79cd (diff)
downloadlinux-34e1b85549455ec95c46b140526db00447983986.tar.bz2
clk: mediatek: Add MT8192 mfgcfg clock support
Add MT8192 mfgcfg 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/20210726105719.15793-17-chun-jie.chen@mediatek.com Reviewed-by: Ikjoon Jang <ikjn@chromium.org> Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Diffstat (limited to 'drivers/clk')
-rw-r--r--drivers/clk/mediatek/Kconfig6
-rw-r--r--drivers/clk/mediatek/Makefile1
-rw-r--r--drivers/clk/mediatek/clk-mt8192-mfg.c50
3 files changed, 57 insertions, 0 deletions
diff --git a/drivers/clk/mediatek/Kconfig b/drivers/clk/mediatek/Kconfig
index 59104b8cd7dc..e212f3416855 100644
--- a/drivers/clk/mediatek/Kconfig
+++ b/drivers/clk/mediatek/Kconfig
@@ -544,6 +544,12 @@ config COMMON_CLK_MT8192_MDPSYS
help
This driver supports MediaTek MT8192 mdpsys clocks.
+config COMMON_CLK_MT8192_MFGCFG
+ bool "Clock driver for MediaTek MT8192 mfgcfg"
+ depends on COMMON_CLK_MT8192
+ help
+ This driver supports MediaTek MT8192 mfgcfg 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 7b258cb1f914..024841a79f1c 100644
--- a/drivers/clk/mediatek/Makefile
+++ b/drivers/clk/mediatek/Makefile
@@ -74,5 +74,6 @@ 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_MT8192_MDPSYS) += clk-mt8192-mdp.o
+obj-$(CONFIG_COMMON_CLK_MT8192_MFGCFG) += clk-mt8192-mfg.o
obj-$(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-mfg.c b/drivers/clk/mediatek/clk-mt8192-mfg.c
new file mode 100644
index 000000000000..3bbc7469f0e4
--- /dev/null
+++ b/drivers/clk/mediatek/clk-mt8192-mfg.c
@@ -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 mfg_cg_regs = {
+ .set_ofs = 0x4,
+ .clr_ofs = 0x8,
+ .sta_ofs = 0x0,
+};
+
+#define GATE_MFG(_id, _name, _parent, _shift) \
+ GATE_MTK(_id, _name, _parent, &mfg_cg_regs, _shift, &mtk_clk_gate_ops_setclr)
+
+static const struct mtk_gate mfg_clks[] = {
+ GATE_MFG(CLK_MFG_BG3D, "mfg_bg3d", "mfg_pll_sel", 0),
+};
+
+static const struct mtk_clk_desc mfg_desc = {
+ .clks = mfg_clks,
+ .num_clks = ARRAY_SIZE(mfg_clks),
+};
+
+static const struct of_device_id of_match_clk_mt8192_mfg[] = {
+ {
+ .compatible = "mediatek,mt8192-mfgcfg",
+ .data = &mfg_desc,
+ }, {
+ /* sentinel */
+ }
+};
+
+static struct platform_driver clk_mt8192_mfg_drv = {
+ .probe = mtk_clk_simple_probe,
+ .driver = {
+ .name = "clk-mt8192-mfg",
+ .of_match_table = of_match_clk_mt8192_mfg,
+ },
+};
+
+builtin_platform_driver(clk_mt8192_mfg_drv);