Add MT8192 msdc clock provider
Signed-off-by: Weiyi Lu <[email protected]>
---
drivers/clk/mediatek/Kconfig | 6 ++++
drivers/clk/mediatek/Makefile | 1 +
drivers/clk/mediatek/clk-mt8192-msdc.c | 57 ++++++++++++++++++++++++++++++++++
3 files changed, 64 insertions(+)
create mode 100644 drivers/clk/mediatek/clk-mt8192-msdc.c
diff --git a/drivers/clk/mediatek/Kconfig b/drivers/clk/mediatek/Kconfig
index 01a76ae..4b8cae6 100644
--- a/drivers/clk/mediatek/Kconfig
+++ b/drivers/clk/mediatek/Kconfig
@@ -557,6 +557,12 @@ config COMMON_CLK_MT8192_MSDC_TOP
help
This driver supports MediaTek MT8192 msdc_top 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 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 4a30269..31e134b 100644
--- a/drivers/clk/mediatek/Makefile
+++ b/drivers/clk/mediatek/Makefile
@@ -80,5 +80,6 @@ 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_TOP) += clk-mt8192-msdc_top.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
diff --git a/drivers/clk/mediatek/clk-mt8192-msdc.c
b/drivers/clk/mediatek/clk-mt8192-msdc.c
new file mode 100644
index 0000000..9d2b168
--- /dev/null
+++ b/drivers/clk/mediatek/clk-mt8192-msdc.c
@@ -0,0 +1,57 @@
+// SPDX-License-Identifier: GPL-2.0-only
+//
+// Copyright (c) 2020 MediaTek Inc.
+// Author: Weiyi Lu <[email protected]>
+
+#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 msdc_cg_regs = {
+ .set_ofs = 0xb4,
+ .clr_ofs = 0xb4,
+ .sta_ofs = 0xb4,
+};
+
+#define GATE_MSDC(_id, _name, _parent, _shift) \
+ GATE_MTK(_id, _name, _parent, &msdc_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 int clk_mt8192_msdc_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_MSDC_NR_CLK);
+ if (!clk_data)
+ return -ENOMEM;
+
+ r = mtk_clk_register_gates(node, msdc_clks, ARRAY_SIZE(msdc_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_msdc[] = {
+ { .compatible = "mediatek,mt8192-msdc", },
+ {}
+};
+
+static struct platform_driver clk_mt8192_msdc_drv = {
+ .probe = clk_mt8192_msdc_probe,
+ .driver = {
+ .name = "clk-mt8192-msdc",
+ .of_match_table = of_match_clk_mt8192_msdc,
+ },
+};
+
+builtin_platform_driver(clk_mt8192_msdc_drv);
--
1.8.1.1.dirty
