diff options
Diffstat (limited to 'target/linux/ramips/patches-4.4/0200-linkit_bootstrap.patch')
-rw-r--r-- | target/linux/ramips/patches-4.4/0200-linkit_bootstrap.patch | 94 |
1 files changed, 0 insertions, 94 deletions
diff --git a/target/linux/ramips/patches-4.4/0200-linkit_bootstrap.patch b/target/linux/ramips/patches-4.4/0200-linkit_bootstrap.patch deleted file mode 100644 index 6e11075..0000000 --- a/target/linux/ramips/patches-4.4/0200-linkit_bootstrap.patch +++ /dev/null @@ -1,94 +0,0 @@ ---- a/drivers/misc/Makefile -+++ b/drivers/misc/Makefile -@@ -57,3 +57,4 @@ obj-$(CONFIG_GENWQE) += genwqe/ - obj-$(CONFIG_ECHO) += echo/ - obj-$(CONFIG_VEXPRESS_SYSCFG) += vexpress-syscfg.o - obj-$(CONFIG_CXL_BASE) += cxl/ -+obj-$(CONFIG_SOC_MT7620) += linkit.o ---- /dev/null -+++ b/drivers/misc/linkit.c -@@ -0,0 +1,84 @@ -+/* -+ * 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 -+ * publishhed by the Free Software Foundation. -+ * -+ * Copyright (C) 2015 John Crispin <blogic@openwrt.org> -+ */ -+ -+#include <linux/module.h> -+#include <linux/platform_device.h> -+#include <linux/of.h> -+#include <linux/mtd/mtd.h> -+#include <linux/gpio.h> -+ -+#define LINKIT_LATCH_GPIO 11 -+ -+struct linkit_hw_data { -+ char board[16]; -+ char rev[16]; -+}; -+ -+static void sanify_string(char *s) -+{ -+ int i; -+ -+ for (i = 0; i < 15; i++) -+ if (s[i] <= 0x20) -+ s[i] = '\0'; -+ s[15] = '\0'; -+} -+ -+static int linkit_probe(struct platform_device *pdev) -+{ -+ struct linkit_hw_data hw; -+ struct mtd_info *mtd; -+ size_t retlen; -+ int ret; -+ -+ mtd = get_mtd_device_nm("factory"); -+ if (IS_ERR(mtd)) -+ return PTR_ERR(mtd); -+ -+ ret = mtd_read(mtd, 0x400, sizeof(hw), &retlen, (u_char *) &hw); -+ put_mtd_device(mtd); -+ -+ sanify_string(hw.board); -+ sanify_string(hw.rev); -+ -+ dev_info(&pdev->dev, "Version : %s\n", hw.board); -+ dev_info(&pdev->dev, "Revision : %s\n", hw.rev); -+ -+ if (!strcmp(hw.board, "LINKITS7688")) { -+ dev_info(&pdev->dev, "setting up bootstrap latch\n"); -+ -+ if (devm_gpio_request(&pdev->dev, LINKIT_LATCH_GPIO, "bootstrap")) { -+ dev_err(&pdev->dev, "failed to setup bootstrap gpio\n"); -+ return -1; -+ } -+ gpio_direction_output(LINKIT_LATCH_GPIO, 0); -+ } -+ -+ return 0; -+} -+ -+static const struct of_device_id linkit_match[] = { -+ { .compatible = "mediatek,linkit" }, -+ {}, -+}; -+MODULE_DEVICE_TABLE(of, linkit_match); -+ -+static struct platform_driver linkit_driver = { -+ .probe = linkit_probe, -+ .driver = { -+ .name = "mtk-linkit", -+ .owner = THIS_MODULE, -+ .of_match_table = linkit_match, -+ }, -+}; -+ -+int __init linkit_init(void) -+{ -+ return platform_driver_register(&linkit_driver); -+} -+late_initcall_sync(linkit_init); |