[PATCH 10/22] clk: mediatek: Add MT8195 ipesys clock support

From: Chun-Jie Chen
Date: Wed Jun 16 2021 - 18:50:05 EST


Add MT8195 ipesys clock provider

Signed-off-by: Chun-Jie Chen <chun-jie.chen@xxxxxxxxxxxx>
---
drivers/clk/mediatek/Kconfig | 6 +++
drivers/clk/mediatek/Makefile | 1 +
drivers/clk/mediatek/clk-mt8195-ipe.c | 53 +++++++++++++++++++++++++++
3 files changed, 60 insertions(+)
create mode 100644 drivers/clk/mediatek/clk-mt8195-ipe.c

diff --git a/drivers/clk/mediatek/Kconfig b/drivers/clk/mediatek/Kconfig
index f92d0b6b7eec..ef7d4b433eee 100644
--- a/drivers/clk/mediatek/Kconfig
+++ b/drivers/clk/mediatek/Kconfig
@@ -618,6 +618,12 @@ config COMMON_CLK_MT8195_IMGSYS
help
This driver supports MediaTek MT8195 imgsys clocks.

+config COMMON_CLK_MT8195_IPESYS
+ bool "Clock driver for MediaTek MT8195 ipesys"
+ depends on COMMON_CLK_MT8195
+ help
+ This driver supports MediaTek MT8195 ipesys 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 1768eda917c2..991a9be7ac46 100644
--- a/drivers/clk/mediatek/Makefile
+++ b/drivers/clk/mediatek/Makefile
@@ -86,5 +86,6 @@ obj-$(CONFIG_COMMON_CLK_MT8195_AUDSYS_SRC) += clk-mt8195-aud_src.o
obj-$(CONFIG_COMMON_CLK_MT8195_CAMSYS) += clk-mt8195-cam.o
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_MT8516) += clk-mt8516.o
obj-$(CONFIG_COMMON_CLK_MT8516_AUDSYS) += clk-mt8516-aud.o
diff --git a/drivers/clk/mediatek/clk-mt8195-ipe.c b/drivers/clk/mediatek/clk-mt8195-ipe.c
new file mode 100644
index 000000000000..d63d7448591a
--- /dev/null
+++ b/drivers/clk/mediatek/clk-mt8195-ipe.c
@@ -0,0 +1,53 @@
+// SPDX-License-Identifier: GPL-2.0-only
+//
+// Copyright (c) 2021 MediaTek Inc.
+// Author: Chun-Jie Chen <chun-jie.chen@xxxxxxxxxxxx>
+
+#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 ipe_cg_regs = {
+ .set_ofs = 0x0,
+ .clr_ofs = 0x0,
+ .sta_ofs = 0x0,
+};
+
+#define GATE_IPE(_id, _name, _parent, _shift) \
+ GATE_MTK(_id, _name, _parent, &ipe_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr)
+
+static const struct mtk_gate ipe_clks[] = {
+ GATE_IPE(CLK_IPE_DPE, "ipe_dpe", "ipe_sel", 0),
+ GATE_IPE(CLK_IPE_FDVT, "ipe_fdvt", "ipe_sel", 1),
+ GATE_IPE(CLK_IPE_ME, "ipe_me", "ipe_sel", 2),
+ GATE_IPE(CLK_IPE_TOP, "ipe_top", "ipe_sel", 3),
+ GATE_IPE(CLK_IPE_SMI_LARB12, "ipe_smi_larb12", "ipe_sel", 4),
+};
+
+static const struct mtk_clk_desc ipe_desc = {
+ .clks = ipe_clks,
+ .num_clks = ARRAY_SIZE(ipe_clks),
+};
+
+static const struct of_device_id of_match_clk_mt8195_ipe[] = {
+ {
+ .compatible = "mediatek,mt8195-ipesys",
+ .data = &ipe_desc,
+ }, {
+ /* sentinel */
+ }
+};
+
+static struct platform_driver clk_mt8195_ipe_drv = {
+ .probe = mtk_clk_simple_probe,
+ .driver = {
+ .name = "clk-mt8195-ipe",
+ .of_match_table = of_match_clk_mt8195_ipe,
+ },
+};
+
+builtin_platform_driver(clk_mt8195_ipe_drv);
--
2.18.0