[][Add mtk misc driver support]
[Description]
Add mtk misc driver support
1. add ice_debug driver part
2. add kernel patch to build mtk misc drivers
[Release-log]
N/A
Change-Id: If76c2a6b4e11e83ff50e2c06115ae566f990b5d6
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/4692312
diff --git a/target/linux/mediatek/files-5.4/drivers/misc/mediatek/Kconfig b/target/linux/mediatek/files-5.4/drivers/misc/mediatek/Kconfig
new file mode 100644
index 0000000..e15d2b0
--- /dev/null
+++ b/target/linux/mediatek/files-5.4/drivers/misc/mediatek/Kconfig
@@ -0,0 +1,3 @@
+menu "Mediatek Misc"
+source "drivers/misc/mediatek/ice_debug/Kconfig"
+endmenu
diff --git a/target/linux/mediatek/files-5.4/drivers/misc/mediatek/Makefile b/target/linux/mediatek/files-5.4/drivers/misc/mediatek/Makefile
new file mode 100644
index 0000000..55e7465
--- /dev/null
+++ b/target/linux/mediatek/files-5.4/drivers/misc/mediatek/Makefile
@@ -0,0 +1 @@
+obj-$(CONFIG_MTK_ICE_DEBUG) +=ice_debug/
diff --git a/target/linux/mediatek/files-5.4/drivers/misc/mediatek/ice_debug/Kconfig b/target/linux/mediatek/files-5.4/drivers/misc/mediatek/ice_debug/Kconfig
new file mode 100644
index 0000000..9d8584d
--- /dev/null
+++ b/target/linux/mediatek/files-5.4/drivers/misc/mediatek/ice_debug/Kconfig
@@ -0,0 +1,3 @@
+config MTK_ICE_DEBUG
+ bool "ICE_DEBUG"
+ default y if MACH_MT2701
diff --git a/target/linux/mediatek/files-5.4/drivers/misc/mediatek/ice_debug/Makefile b/target/linux/mediatek/files-5.4/drivers/misc/mediatek/ice_debug/Makefile
new file mode 100644
index 0000000..4d54159
--- /dev/null
+++ b/target/linux/mediatek/files-5.4/drivers/misc/mediatek/ice_debug/Makefile
@@ -0,0 +1,14 @@
+#
+# Copyright (C) 2015 MediaTek Inc.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 as
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+
+obj-$(CONFIG_MTK_ICE_DEBUG) += ice_debug.o
diff --git a/target/linux/mediatek/files-5.4/drivers/misc/mediatek/ice_debug/ice_debug.c b/target/linux/mediatek/files-5.4/drivers/misc/mediatek/ice_debug/ice_debug.c
new file mode 100644
index 0000000..1d005e4
--- /dev/null
+++ b/target/linux/mediatek/files-5.4/drivers/misc/mediatek/ice_debug/ice_debug.c
@@ -0,0 +1,66 @@
+/*
+ * Copyright (C) 2016 MediaTek Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See http://www.gnu.org/licenses/gpl-2.0.html for more details.
+ */
+
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include <linux/regmap.h>
+#include <linux/clk.h>
+#include <linux/of_address.h>
+#include <linux/clk.h>
+#include <linux/io.h>
+
+static const struct of_device_id mt2701_icedbg_match[] = {
+ {.compatible = "mediatek,mt2701-ice_debug", },
+ { }
+};
+MODULE_DEVICE_TABLE(of, mt2701_icedbg_match);
+
+static int mtk_ice_debug_probe(struct platform_device *pdev)
+{
+ int ret = 0;
+ struct clk *clk_icedbg;
+
+ clk_icedbg = devm_clk_get(&pdev->dev, "ice_dbg");
+ if (IS_ERR(clk_icedbg)) {
+ dev_err(&pdev->dev, "get clock fail: %ld\n",
+ PTR_ERR(clk_icedbg));
+ return PTR_ERR(clk_icedbg);
+ }
+
+ ret = clk_prepare_enable(clk_icedbg);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
+static struct platform_driver mtk_icedbg_driver = {
+ .probe = mtk_ice_debug_probe,
+ .driver = {
+ .name = "mediatek,mt2701-ice_debug",
+ .owner = THIS_MODULE,
+ .of_match_table = mt2701_icedbg_match,
+ },
+};
+
+static int __init mtk_ice_debug_init(void)
+{
+ return platform_driver_register(&mtk_icedbg_driver);
+}
+module_init(mtk_ice_debug_init);
+
+MODULE_LICENSE("GPL v2");
+MODULE_DESCRIPTION("MediaTek MT2701 ICE_DEBUG Driver");
+MODULE_AUTHOR("Maoguang Meng <maoguang.meng@mediatek.com>");
diff --git a/target/linux/mediatek/patches-5.4/2000-misc-add-mtk-platform.patch b/target/linux/mediatek/patches-5.4/2000-misc-add-mtk-platform.patch
new file mode 100644
index 0000000..f280e10
--- /dev/null
+++ b/target/linux/mediatek/patches-5.4/2000-misc-add-mtk-platform.patch
@@ -0,0 +1,17 @@
+diff -urN a/drivers/misc/Kconfig b/drivers/misc/Kconfig
+--- a/drivers/misc/Kconfig 2021-06-29 15:10:00.970788831 +0800
++++ b/drivers/misc/Kconfig 2021-06-29 15:09:41.579158152 +0800
+@@ -481,4 +481,5 @@
+ source "drivers/misc/ocxl/Kconfig"
+ source "drivers/misc/cardreader/Kconfig"
+ source "drivers/misc/habanalabs/Kconfig"
++source "drivers/misc/mediatek/Kconfig"
+ endmenu
+diff -urN a/drivers/misc/Makefile b/drivers/misc/Makefile
+--- a/drivers/misc/Makefile 2021-06-29 15:10:15.150518461 +0800
++++ b/drivers/misc/Makefile 2021-06-29 15:09:46.939056121 +0800
+@@ -57,3 +57,4 @@
+ obj-$(CONFIG_PVPANIC) += pvpanic.o
+ obj-$(CONFIG_HABANA_AI) += habanalabs/
+ obj-$(CONFIG_XILINX_SDFEC) += xilinx_sdfec.o
++obj-$(CONFIG_ARCH_MEDIATEK) += mediatek/