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Message-ID: <1603370247-30437-22-git-send-email-weiyi.lu@mediatek.com>
Date: Thu, 22 Oct 2020 20:37:14 +0800
From: Weiyi Lu <weiyi.lu@...iatek.com>
To: Matthias Brugger <matthias.bgg@...il.com>,
Rob Herring <robh@...nel.org>, Stephen Boyd <sboyd@...nel.org>,
Nicolas Boichat <drinkcat@...omium.org>
CC: <linux-arm-kernel@...ts.infradead.org>,
<linux-kernel@...r.kernel.org>,
<linux-mediatek@...ts.infradead.org>, <linux-clk@...r.kernel.org>,
<srv_heupstream@...iatek.com>, Weiyi Lu <weiyi.lu@...iatek.com>
Subject: [PATCH v4 21/34] clk: mediatek: Add MT8192 imp i2c wrapper n clock support
Add MT8192 imp i2c wrapper n clock provider
Signed-off-by: Weiyi Lu <weiyi.lu@...iatek.com>
---
drivers/clk/mediatek/Kconfig | 6 +++
drivers/clk/mediatek/Makefile | 1 +
drivers/clk/mediatek/clk-mt8192-imp_iic_wrap_n.c | 60 ++++++++++++++++++++++++
3 files changed, 67 insertions(+)
create mode 100644 drivers/clk/mediatek/clk-mt8192-imp_iic_wrap_n.c
diff --git a/drivers/clk/mediatek/Kconfig b/drivers/clk/mediatek/Kconfig
index 5c298ee..c9d167b 100644
--- a/drivers/clk/mediatek/Kconfig
+++ b/drivers/clk/mediatek/Kconfig
@@ -503,6 +503,12 @@ config COMMON_CLK_MT8192_IMP_IIC_WRAP_E
help
This driver supports MediaTek MT8192 imp_iic_wrap_e clocks.
+config COMMON_CLK_MT8192_IMP_IIC_WRAP_N
+ bool "Clock driver for MediaTek MT8192 imp_iic_wrap_n"
+ depends on COMMON_CLK_MT8192
+ help
+ This driver supports MediaTek MT8192 imp_iic_wrap_n 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 3aae75e..9d4d0a7 100644
--- a/drivers/clk/mediatek/Makefile
+++ b/drivers/clk/mediatek/Makefile
@@ -71,5 +71,6 @@ obj-$(CONFIG_COMMON_CLK_MT8192_IMGSYS) += clk-mt8192-img.o
obj-$(CONFIG_COMMON_CLK_MT8192_IMGSYS2) += clk-mt8192-img2.o
obj-$(CONFIG_COMMON_CLK_MT8192_IMP_IIC_WRAP_C) += clk-mt8192-imp_iic_wrap_c.o
obj-$(CONFIG_COMMON_CLK_MT8192_IMP_IIC_WRAP_E) += clk-mt8192-imp_iic_wrap_e.o
+obj-$(CONFIG_COMMON_CLK_MT8192_IMP_IIC_WRAP_N) += clk-mt8192-imp_iic_wrap_n.o
obj-$(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-imp_iic_wrap_n.c b/drivers/clk/mediatek/clk-mt8192-imp_iic_wrap_n.c
new file mode 100644
index 0000000..bc5ecfc
--- /dev/null
+++ b/drivers/clk/mediatek/clk-mt8192-imp_iic_wrap_n.c
@@ -0,0 +1,60 @@
+// SPDX-License-Identifier: GPL-2.0-only
+//
+// Copyright (c) 2020 MediaTek Inc.
+// Author: Weiyi Lu <weiyi.lu@...iatek.com>
+
+#include <linux/clk-provider.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 imp_iic_wrap_n_cg_regs = {
+ .set_ofs = 0xe08,
+ .clr_ofs = 0xe04,
+ .sta_ofs = 0xe00,
+};
+
+#define GATE_IMP_IIC_WRAP_N(_id, _name, _parent, _shift) \
+ GATE_MTK_FLAGS(_id, _name, _parent, &imp_iic_wrap_n_cg_regs, _shift, \
+ &mtk_clk_gate_ops_setclr, CLK_OPS_PARENT_ENABLE)
+
+static const struct mtk_gate imp_iic_wrap_n_clks[] = {
+ GATE_IMP_IIC_WRAP_N(CLK_IMP_IIC_WRAP_N_I2C0, "imp_iic_wrap_n_i2c0", "infra_i2c0", 0),
+ GATE_IMP_IIC_WRAP_N(CLK_IMP_IIC_WRAP_N_I2C6, "imp_iic_wrap_n_i2c6", "infra_i2c0", 1),
+};
+
+static int clk_mt8192_imp_iic_wrap_n_probe(struct platform_device *pdev)
+{
+ struct clk_onecell_data *clk_data;
+ struct device_node *node = pdev->dev.of_node;
+ int r;
+
+ clk_data = mtk_alloc_clk_data(CLK_IMP_IIC_WRAP_N_NR_CLK);
+ if (!clk_data)
+ return -ENOMEM;
+
+ r = mtk_clk_register_gates(node, imp_iic_wrap_n_clks, ARRAY_SIZE(imp_iic_wrap_n_clks),
+ clk_data);
+ if (r)
+ return r;
+
+ return of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
+}
+
+static const struct of_device_id of_match_clk_mt8192_imp_iic_wrap_n[] = {
+ { .compatible = "mediatek,mt8192-imp_iic_wrap_n", },
+ {}
+};
+
+static struct platform_driver clk_mt8192_imp_iic_wrap_n_drv = {
+ .probe = clk_mt8192_imp_iic_wrap_n_probe,
+ .driver = {
+ .name = "clk-mt8192-imp_iic_wrap_n",
+ .of_match_table = of_match_clk_mt8192_imp_iic_wrap_n,
+ },
+};
+
+builtin_platform_driver(clk_mt8192_imp_iic_wrap_n_drv);
--
1.8.1.1.dirty
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