These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / drivers / pinctrl / mediatek / pinctrl-mt6397.c

diff --git a/kernel/drivers/pinctrl/mediatek/pinctrl-mt6397.c b/kernel/drivers/pinctrl/mediatek/pinctrl-mt6397.c
new file mode 100644 (file)
index 0000000..f9751ae
--- /dev/null
+++ b/kernel/drivers/pinctrl/mediatek/pinctrl-mt6397.c
@@ -0,0 +1,77 @@
+/*
+ * Copyright (c) 2015 MediaTek Inc.
+ * Author: Hongzhou.Yang <hongzhou.yang@mediatek.com>
+ *
+ * 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.
+ */
+
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include <linux/pinctrl/pinctrl.h>
+#include <linux/pinctrl/pinconf-generic.h>
+#include <linux/mfd/mt6397/core.h>
+
+#include "pinctrl-mtk-common.h"
+#include "pinctrl-mtk-mt6397.h"
+
+#define MT6397_PIN_REG_BASE  0xc000
+
+static const struct mtk_pinctrl_devdata mt6397_pinctrl_data = {
+       .pins = mtk_pins_mt6397,
+       .npins = ARRAY_SIZE(mtk_pins_mt6397),
+       .dir_offset = (MT6397_PIN_REG_BASE + 0x000),
+       .ies_offset = MTK_PINCTRL_NOT_SUPPORT,
+       .smt_offset = MTK_PINCTRL_NOT_SUPPORT,
+       .pullen_offset = (MT6397_PIN_REG_BASE + 0x020),
+       .pullsel_offset = (MT6397_PIN_REG_BASE + 0x040),
+       .dout_offset = (MT6397_PIN_REG_BASE + 0x080),
+       .din_offset = (MT6397_PIN_REG_BASE + 0x0a0),
+       .pinmux_offset = (MT6397_PIN_REG_BASE + 0x0c0),
+       .type1_start = 41,
+       .type1_end = 41,
+       .port_shf = 3,
+       .port_mask = 0x3,
+       .port_align = 2,
+};
+
+static int mt6397_pinctrl_probe(struct platform_device *pdev)
+{
+       struct mt6397_chip *mt6397;
+
+       mt6397 = dev_get_drvdata(pdev->dev.parent);
+       return mtk_pctrl_init(pdev, &mt6397_pinctrl_data, mt6397->regmap);
+}
+
+static const struct of_device_id mt6397_pctrl_match[] = {
+       { .compatible = "mediatek,mt6397-pinctrl", },
+       { }
+};
+MODULE_DEVICE_TABLE(of, mt6397_pctrl_match);
+
+static struct platform_driver mtk_pinctrl_driver = {
+       .probe = mt6397_pinctrl_probe,
+       .driver = {
+               .name = "mediatek-mt6397-pinctrl",
+               .of_match_table = mt6397_pctrl_match,
+       },
+};
+
+static int __init mtk_pinctrl_init(void)
+{
+       return platform_driver_register(&mtk_pinctrl_driver);
+}
+
+module_init(mtk_pinctrl_init);
+
+MODULE_LICENSE("GPL v2");
+MODULE_DESCRIPTION("MediaTek MT6397 Pinctrl Driver");
+MODULE_AUTHOR("Hongzhou Yang <hongzhou.yang@mediatek.com>");