summaryrefslogtreecommitdiffstats
path: root/drivers/clk/mediatek/clk-mt2701-g3d.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/clk/mediatek/clk-mt2701-g3d.c')
-rw-r--r--drivers/clk/mediatek/clk-mt2701-g3d.c60
1 files changed, 60 insertions, 0 deletions
diff --git a/drivers/clk/mediatek/clk-mt2701-g3d.c b/drivers/clk/mediatek/clk-mt2701-g3d.c
new file mode 100644
index 0000000000..d25687f6c9
--- /dev/null
+++ b/drivers/clk/mediatek/clk-mt2701-g3d.c
@@ -0,0 +1,60 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2018 MediaTek Inc.
+ * Author: Sean Wang <sean.wang@mediatek.com>
+ *
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/mod_devicetable.h>
+#include <linux/platform_device.h>
+
+#include "clk-mtk.h"
+#include "clk-gate.h"
+
+#include <dt-bindings/clock/mt2701-clk.h>
+
+#define GATE_G3D(_id, _name, _parent, _shift) \
+ GATE_MTK(_id, _name, _parent, &g3d_cg_regs, _shift, &mtk_clk_gate_ops_setclr)
+
+static const struct mtk_gate_regs g3d_cg_regs = {
+ .sta_ofs = 0x0,
+ .set_ofs = 0x4,
+ .clr_ofs = 0x8,
+};
+
+static const struct mtk_gate g3d_clks[] = {
+ GATE_DUMMY(CLK_DUMMY, "g3d_dummy"),
+ GATE_G3D(CLK_G3DSYS_CORE, "g3d_core", "mfg_sel", 0),
+};
+
+static u16 rst_ofs[] = { 0xc, };
+
+static const struct mtk_clk_rst_desc clk_rst_desc = {
+ .version = MTK_RST_SIMPLE,
+ .rst_bank_ofs = rst_ofs,
+ .rst_bank_nr = ARRAY_SIZE(rst_ofs),
+};
+
+static const struct mtk_clk_desc g3d_desc = {
+ .clks = g3d_clks,
+ .num_clks = ARRAY_SIZE(g3d_clks),
+ .rst_desc = &clk_rst_desc,
+};
+
+static const struct of_device_id of_match_clk_mt2701_g3d[] = {
+ { .compatible = "mediatek,mt2701-g3dsys", .data = &g3d_desc },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, of_match_clk_mt2701_g3d);
+
+static struct platform_driver clk_mt2701_g3d_drv = {
+ .probe = mtk_clk_simple_probe,
+ .remove_new = mtk_clk_simple_remove,
+ .driver = {
+ .name = "clk-mt2701-g3d",
+ .of_match_table = of_match_clk_mt2701_g3d,
+ },
+};
+module_platform_driver(clk_mt2701_g3d_drv);
+MODULE_LICENSE("GPL");