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Subject[PATCH 5/7] ARM: imx6q: convert to use imx-syscon to access anatop registers
Date
From: Dong Aisheng <dong.aisheng@linaro.org>

Using standard imx syscon API to access anatop registers.

Signed-off-by: Dong Aisheng <dong.aisheng@linaro.org>
---
arch/arm/mach-imx/Kconfig | 2 +-
arch/arm/mach-imx/mach-imx6q.c | 25 ++++++-------------------
2 files changed, 7 insertions(+), 20 deletions(-)

diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig
index afd542a..c7b2adb 100644
--- a/arch/arm/mach-imx/Kconfig
+++ b/arch/arm/mach-imx/Kconfig
@@ -839,7 +839,7 @@ config SOC_IMX6Q
select HAVE_IMX_MMDC
select HAVE_IMX_SRC
select HAVE_SMP
- select MFD_ANATOP
+ select MFD_IMX_SYSCON
select PINCTRL
select PINCTRL_IMX6Q

diff --git a/arch/arm/mach-imx/mach-imx6q.c b/arch/arm/mach-imx/mach-imx6q.c
index 5ec0608..32a9c9e 100644
--- a/arch/arm/mach-imx/mach-imx6q.c
+++ b/arch/arm/mach-imx/mach-imx6q.c
@@ -24,8 +24,9 @@
#include <linux/of_platform.h>
#include <linux/pinctrl/machine.h>
#include <linux/phy.h>
+#include <linux/regmap.h>
#include <linux/micrel_phy.h>
-#include <linux/mfd/anatop.h>
+#include <linux/mfd/imx-syscon.h>
#include <asm/cpuidle.h>
#include <asm/smp_twd.h>
#include <asm/hardware/cache-l2x0.h>
@@ -121,20 +122,8 @@ static void __init imx6q_sabrelite_init(void)
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

@@ -145,14 +134,12 @@ static void __init imx6q_usb_init(void)
* 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,
+ imx_syscon_write(np, 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_CHK_CHRG_B);
+ imx_syscon_write(np, HW_ANADIG_USB2_CHRG_DETECT,
BM_ANADIG_USB_CHRG_DETECT_EN_B |
- BM_ANADIG_USB_CHRG_DETECT_CHK_CHRG_B,
- ~0);
+ BM_ANADIG_USB_CHRG_DETECT_CHK_CHRG_B);

of_node_put(np);
}
--
1.7.0.4



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