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authorArnd Bergmann <arnd@arndb.de>2012-07-12 14:49:00 +0200
committerArnd Bergmann <arnd@arndb.de>2012-07-12 17:37:05 +0200
commit8d5776d5fed6c3d2d5b5bce9512faa41321d6a8a (patch)
tree4cbb5a92c3d6a8d340fc817b2afcd167f865f312 /arch/arm/mach-imx
parente95f2e790e98c61eb88caa5ee31a04e1dc7a8c59 (diff)
parent9d5f6b51bdaff83b85069a2eee7a89c562a5daba (diff)
Merge branch 'imx/dt-for-3.6' of git://git.linaro.org/people/shawnguo/linux-2.6 into next/dt
From Shawn Guo <shawn.guo@linaro.org>: Here is the second (last) batch of imx device tree changes for 3.6. * 'imx/dt-for-3.6' of git://git.linaro.org/people/shawnguo/linux-2.6: ARM: imx6q: ensure ANATOP controller is available ARM: dts: imx6q-sabrelite: add ecspi1 pinctrl support ARM: dts: imx6q-sabrelite: add usb devices ARM: imx6q: disable usb charger detector ARM: imx6q: add usbphy clocks ARM: imx6q: add usb controller clock lookups ARM: dts: imx: update #interrupt-cells for gpio nodes bindings: update imx and mxs #gpio-cells Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/arm/mach-imx')
-rw-r--r--arch/arm/mach-imx/Kconfig1
-rw-r--r--arch/arm/mach-imx/clk-imx6q.c11
-rw-r--r--arch/arm/mach-imx/mach-imx6q.c41
3 files changed, 52 insertions, 1 deletions
diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig
index 92d0ddd5f8d4..5f87f2e2ddae 100644
--- a/arch/arm/mach-imx/Kconfig
+++ b/arch/arm/mach-imx/Kconfig
@@ -842,6 +842,7 @@ config SOC_IMX6Q
select HAVE_IMX_MMDC
select HAVE_IMX_SRC
select HAVE_SMP
+ select MFD_ANATOP
select PINCTRL
select PINCTRL_IMX6Q
select USE_OF
diff --git a/arch/arm/mach-imx/clk-imx6q.c b/arch/arm/mach-imx/clk-imx6q.c
index 0bb855525fe8..d5e88c0d5e6c 100644
--- a/arch/arm/mach-imx/clk-imx6q.c
+++ b/arch/arm/mach-imx/clk-imx6q.c
@@ -152,7 +152,7 @@ enum mx6q_clks {
ssi2, ssi3, uart_ipg, uart_serial, usboh3, usdhc1, usdhc2, usdhc3,
usdhc4, vdo_axi, vpu_axi, cko1, pll1_sys, pll2_bus, pll3_usb_otg,
pll4_audio, pll5_video, pll6_mlb, pll7_usb_host, pll8_enet, ssi1_ipg,
- ssi2_ipg, ssi3_ipg, rom,
+ ssi2_ipg, ssi3_ipg, rom, usbphy1, usbphy2,
clk_max
};
@@ -198,6 +198,9 @@ int __init mx6q_clocks_init(void)
clk[pll7_usb_host] = imx_clk_pllv3(IMX_PLLV3_USB, "pll7_usb_host","osc", base + 0x20, 0x2000, 0x3);
clk[pll8_enet] = imx_clk_pllv3(IMX_PLLV3_ENET, "pll8_enet", "osc", base + 0xe0, 0x182000, 0x3);
+ clk[usbphy1] = imx_clk_gate("usbphy1", "pll3_usb_otg", base + 0x10, 6);
+ clk[usbphy2] = imx_clk_gate("usbphy2", "pll7_usb_host", base + 0x20, 6);
+
/* name parent_name reg idx */
clk[pll2_pfd0_352m] = imx_clk_pfd("pll2_pfd0_352m", "pll2_bus", base + 0x100, 0);
clk[pll2_pfd1_594m] = imx_clk_pfd("pll2_pfd1_594m", "pll2_bus", base + 0x100, 1);
@@ -401,6 +404,12 @@ int __init mx6q_clocks_init(void)
clk_register_clkdev(clk[gpmi_bch], "gpmi_bch", "112000.gpmi-nand");
clk_register_clkdev(clk[gpmi_apb], "gpmi_apb", "112000.gpmi-nand");
clk_register_clkdev(clk[gpmi_io], "gpmi_io", "112000.gpmi-nand");
+ clk_register_clkdev(clk[usboh3], NULL, "2184000.usb");
+ clk_register_clkdev(clk[usboh3], NULL, "2184200.usb");
+ clk_register_clkdev(clk[usboh3], NULL, "2184400.usb");
+ clk_register_clkdev(clk[usboh3], NULL, "2184600.usb");
+ clk_register_clkdev(clk[usbphy1], NULL, "20c9000.usbphy");
+ clk_register_clkdev(clk[usbphy2], NULL, "20ca000.usbphy");
clk_register_clkdev(clk[uart_serial], "per", "2020000.serial");
clk_register_clkdev(clk[uart_ipg], "ipg", "2020000.serial");
clk_register_clkdev(clk[uart_serial], "per", "21e8000.serial");
diff --git a/arch/arm/mach-imx/mach-imx6q.c b/arch/arm/mach-imx/mach-imx6q.c
index b47e98b7d539..140f55010630 100644
--- a/arch/arm/mach-imx/mach-imx6q.c
+++ b/arch/arm/mach-imx/mach-imx6q.c
@@ -24,6 +24,7 @@
#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>
@@ -113,6 +114,45 @@ static void __init imx6q_sabrelite_init(void)
imx6q_sabrelite_cko1_setup();
}
+static void __init imx6q_usb_init(void)
+{
+ struct device_node *np;
+ struct platform_device *pdev = NULL;
+ struct anatop *adata = NULL;
+
+ np = of_find_compatible_node(NULL, NULL, "fsl,imx6q-anatop");
+ if (np)
+ pdev = of_find_device_by_node(np);
+ if (pdev)
+ adata = platform_get_drvdata(pdev);
+ if (!adata) {
+ if (np)
+ of_node_put(np);
+ return;
+ }
+
+#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(adata, HW_ANADIG_USB1_CHRG_DETECT,
+ BM_ANADIG_USB_CHRG_DETECT_EN_B
+ | BM_ANADIG_USB_CHRG_DETECT_CHK_CHRG_B,
+ ~0);
+ anatop_write_reg(adata, HW_ANADIG_USB2_CHRG_DETECT,
+ BM_ANADIG_USB_CHRG_DETECT_EN_B |
+ BM_ANADIG_USB_CHRG_DETECT_CHK_CHRG_B,
+ ~0);
+
+ of_node_put(np);
+}
+
static void __init imx6q_init_machine(void)
{
/*
@@ -127,6 +167,7 @@ static void __init imx6q_init_machine(void)
of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
imx6q_pm_init();
+ imx6q_usb_init();
}
static void __init imx6q_map_io(void)