From: richard.zhao@freescale.com (Richard Zhao)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 09/12] ARM: imx6q: disable usb charger detector
Date: Mon, 21 May 2012 17:23:54 +0800 [thread overview]
Message-ID: <1337592237-5090-10-git-send-email-richard.zhao@freescale.com> (raw)
In-Reply-To: <1337592237-5090-1-git-send-email-richard.zhao@freescale.com>
The external charger detector needs to be disabled,
or the signal at DP will be poor
Signed-off-by: Richard Zhao <richard.zhao@freescale.com>
---
arch/arm/mach-imx/mach-imx6q.c | 25 +++++++++++++++++++++++++
1 files changed, 25 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-imx/mach-imx6q.c b/arch/arm/mach-imx/mach-imx6q.c
index 577cf19..0bfd8c7 100644
--- a/arch/arm/mach-imx/mach-imx6q.c
+++ b/arch/arm/mach-imx/mach-imx6q.c
@@ -25,6 +25,7 @@
#include <linux/pinctrl/machine.h>
#include <linux/phy.h>
#include <linux/micrel_phy.h>
+#include <linux/mfd/anatop.h>
#include <asm/smp_twd.h>
#include <asm/hardware/cache-l2x0.h>
#include <asm/hardware/gic.h>
@@ -141,9 +142,33 @@ static void __init imx6q_config_on_boot(void)
of_node_put(np);
}
+static void __init imx6q_usb_init(void)
+{
+#define HW_ANADIG_USB1_CHRG_DETECT 0x000001b0
+#define HW_ANADIG_USB2_CHRG_DETECT 0x00000210
+
+#define BM_ANADIG_USB_CHRG_DETECT_EN_B 0x00100000
+#define BM_ANADIG_USB_CHRG_DETECT_CHK_CHRG_B 0x00080000
+
+ /*
+ * The external charger detector needs to be disabled,
+ * or the signal at DP will be poor
+ */
+
+ anatop_write_reg(NULL, HW_ANADIG_USB1_CHRG_DETECT,
+ BM_ANADIG_USB_CHRG_DETECT_EN_B
+ | BM_ANADIG_USB_CHRG_DETECT_CHK_CHRG_B,
+ ~0);
+ anatop_write_reg(NULL, HW_ANADIG_USB2_CHRG_DETECT,
+ BM_ANADIG_USB_CHRG_DETECT_EN_B |
+ BM_ANADIG_USB_CHRG_DETECT_CHK_CHRG_B,
+ ~0);
+}
+
static void __init imx6q_post_populate(void)
{
imx6q_config_on_boot();
+ imx6q_usb_init();
}
static void __init imx6q_init_machine(void)
--
1.7.5.4
next prev parent reply other threads:[~2012-05-21 9:23 UTC|newest]
Thread overview: 91+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-21 9:23 [PATCH v2 00/12] add imx usb driver for mx28/6x Richard Zhao
2012-05-21 9:23 ` [PATCH v2 01/12] usb: otg: add notify_connect_change callback Richard Zhao
2012-05-21 9:26 ` Felipe Balbi
2012-05-21 9:36 ` Richard Zhao
2012-05-21 9:38 ` Felipe Balbi
2012-05-21 10:19 ` Richard Zhao
2012-05-21 13:03 ` Greg KH
2012-05-21 13:05 ` Greg KH
2012-05-21 17:36 ` Marek Vasut
2012-05-21 17:47 ` Greg KH
2012-05-21 18:32 ` Marek Vasut
2012-05-21 18:40 ` Greg KH
2012-05-21 19:27 ` Marek Vasut
2012-05-22 0:27 ` Richard Zhao
2012-05-21 9:23 ` [PATCH v2 02/12] usb: chipidea: permit driver bindings pass phy pointer Richard Zhao
2012-05-22 4:22 ` Marek Vasut
2012-05-22 9:59 ` Alexander Shishkin
2012-05-22 14:07 ` Marek Vasut
2012-05-22 15:14 ` Richard Zhao
2012-05-23 1:35 ` Chen Peter-B29397
2012-05-23 8:08 ` Alexander Shishkin
2012-05-21 9:23 ` [PATCH v2 03/12] usb: ehci-hcd: notify phy when connect change Richard Zhao
2012-05-22 4:23 ` Marek Vasut
2012-05-22 4:36 ` Richard Zhao
2012-05-21 9:23 ` [PATCH v2 04/12] usb: otg: add basic mxs phy driver support Richard Zhao
2012-05-21 9:23 ` [PATCH v2 05/12] usb: chipidea: add imx driver binding Richard Zhao
2012-05-22 4:30 ` Marek Vasut
2012-05-22 4:51 ` Richard Zhao
2012-05-22 9:56 ` Alexander Shishkin
2012-05-22 10:06 ` Felipe Balbi
2012-05-22 10:31 ` Richard Zhao
2012-05-22 10:35 ` Felipe Balbi
2012-05-22 10:41 ` Alexander Shishkin
2012-05-22 15:06 ` Richard Zhao
2012-05-23 13:02 ` Alexander Shishkin
2012-05-23 13:09 ` Felipe Balbi
2012-05-23 13:13 ` Alexander Shishkin
2012-05-22 13:52 ` Shawn Guo
2012-05-22 13:55 ` Felipe Balbi
2012-05-22 10:21 ` Alexander Shishkin
2012-05-22 10:24 ` Alexander Shishkin
2012-05-22 15:30 ` Richard Zhao
2012-05-22 15:28 ` Richard Zhao
2012-05-21 9:23 ` [PATCH v2 06/12] ARM: imx6q: correct device name of usbphy and usb controller clock export Richard Zhao
2012-05-22 4:31 ` Marek Vasut
2012-05-22 4:56 ` Richard Zhao
2012-05-21 9:23 ` [PATCH v2 07/12] ARM: imx6q: add config-on-boot gpios Richard Zhao
2012-05-22 3:17 ` Shawn Guo
2012-05-22 3:25 ` Marek Vasut
2012-05-22 3:32 ` Shawn Guo
2012-05-22 4:20 ` Marek Vasut
2012-05-22 4:42 ` Shawn Guo
2012-05-22 5:22 ` Marek Vasut
2012-05-22 5:25 ` Shawn Guo
2012-05-22 5:27 ` Marek Vasut
2012-05-22 6:07 ` Richard Zhao
2012-05-22 3:38 ` Richard Zhao
2012-05-21 9:23 ` [PATCH v2 08/12] ARM: imx6q: add usbphy clocks Richard Zhao
2012-05-22 4:32 ` Marek Vasut
2012-05-22 4:45 ` Shawn Guo
2012-05-22 5:22 ` Marek Vasut
2012-05-22 4:59 ` Richard Zhao
2012-05-22 5:37 ` Shawn Guo
2012-05-22 6:08 ` Richard Zhao
2012-05-21 9:23 ` Richard Zhao [this message]
2012-05-22 3:48 ` [PATCH v2 09/12] ARM: imx6q: disable usb charger detector Shawn Guo
2012-05-22 4:32 ` Richard Zhao
2012-05-21 9:23 ` [PATCH v2 10/12] ARM: dts: imx6q-sabrelite: add usb devices Richard Zhao
2012-05-22 5:10 ` Shawn Guo
2012-05-22 5:59 ` Richard Zhao
2012-05-22 6:08 ` Shawn Guo
2012-05-22 6:19 ` Richard Zhao
2012-05-21 9:23 ` [PATCH v2 11/12] ARM: mxs: clk_register_clkdev mx28 usb clocks Richard Zhao
2012-05-22 4:48 ` Shawn Guo
2012-05-22 5:01 ` Richard Zhao
2012-05-21 9:23 ` [PATCH v2 12/12] ARM: dts: imx28-evk: add usb devices Richard Zhao
2012-05-22 4:52 ` Shawn Guo
2012-05-22 5:03 ` Richard Zhao
2012-05-22 5:24 ` Marek Vasut
2012-05-21 19:34 ` [PATCH v2 00/12] add imx usb driver for mx28/6x Fabio Estevam
2012-05-21 19:41 ` Marek Vasut
2012-05-21 19:47 ` Subodh Nijsure
2012-05-21 20:07 ` Marek Vasut
2012-05-22 1:38 ` Chen Peter-B29397
2012-05-22 1:41 ` Richard Zhao
2012-05-22 1:44 ` Chen Peter-B29397
2012-05-22 1:51 ` Richard Zhao
2012-05-22 2:00 ` Shawn Guo
2012-05-22 5:08 ` Richard Zhao
2012-05-22 13:13 ` Dirk Behme
2012-05-24 3:38 ` Richard Zhao
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