summaryrefslogtreecommitdiff
path: root/drivers/clk/mediatek/clk-mt8188-ipe.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/clk/mediatek/clk-mt8188-ipe.c')
-rw-r--r--drivers/clk/mediatek/clk-mt8188-ipe.c68
1 files changed, 68 insertions, 0 deletions
diff --git a/drivers/clk/mediatek/clk-mt8188-ipe.c b/drivers/clk/mediatek/clk-mt8188-ipe.c
new file mode 100644
index 000000000000..70a011c1f9ce
--- /dev/null
+++ b/drivers/clk/mediatek/clk-mt8188-ipe.c
@@ -0,0 +1,68 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2022 MediaTek Inc.
+ * Author: Garmin Chang <garmin.chang@mediatek.com>
+ */
+
+#include <dt-bindings/clock/mediatek,mt8188-clk.h>
+#include <linux/clk-provider.h>
+#include <linux/platform_device.h>
+
+#include "clk-gate.h"
+#include "clk-mtk.h"
+
+static const struct mtk_gate_regs ipe_cg_regs = {
+ .set_ofs = 0x4,
+ .clr_ofs = 0x8,
+ .sta_ofs = 0x0,
+};
+
+#define GATE_IPE(_id, _name, _parent, _shift) \
+ GATE_MTK(_id, _name, _parent, &ipe_cg_regs, _shift, &mtk_clk_gate_ops_setclr)
+
+#define IPE_SYS_SMI_LARB_RST_OFF (0xC)
+
+static const struct mtk_gate ipe_clks[] = {
+ GATE_IPE(CLK_IPE_DPE, "ipe_dpe", "top_ipe", 0),
+ GATE_IPE(CLK_IPE_FDVT, "ipe_fdvt", "top_ipe", 1),
+ GATE_IPE(CLK_IPE_ME, "ipe_me", "top_ipe", 2),
+ GATE_IPE(CLK_IPESYS_TOP, "ipesys_top", "top_ipe", 3),
+ GATE_IPE(CLK_IPE_SMI_LARB12, "ipe_smi_larb12", "top_ipe", 4),
+};
+
+/* Reset for SMI larb 12 */
+static u16 ipe_sys_rst_ofs[] = {
+ IPE_SYS_SMI_LARB_RST_OFF,
+};
+
+static const struct mtk_clk_rst_desc ipe_sys_rst_desc = {
+ .version = MTK_RST_SIMPLE,
+ .rst_bank_ofs = ipe_sys_rst_ofs,
+ .rst_bank_nr = ARRAY_SIZE(ipe_sys_rst_ofs),
+};
+
+static const struct mtk_clk_desc ipe_desc = {
+ .clks = ipe_clks,
+ .num_clks = ARRAY_SIZE(ipe_clks),
+ .rst_desc = &ipe_sys_rst_desc,
+};
+
+static const struct of_device_id of_match_clk_mt8188_ipe[] = {
+ { .compatible = "mediatek,mt8188-ipesys", .data = &ipe_desc },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, of_match_clk_mt8188_ipe);
+
+static struct platform_driver clk_mt8188_ipe_drv = {
+ .probe = mtk_clk_simple_probe,
+ .remove = mtk_clk_simple_remove,
+ .driver = {
+ .name = "clk-mt8188-ipe",
+ .of_match_table = of_match_clk_mt8188_ipe,
+ },
+};
+
+module_platform_driver(clk_mt8188_ipe_drv);
+
+MODULE_DESCRIPTION("MediaTek MT8188 Image Processing Engine clocks driver");
+MODULE_LICENSE("GPL");