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regulator: anatop-regulator: Convert to use syscon to access anatop register

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Using syscon to access anatop register.

Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Dong Aisheng <dong.aisheng@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
Dong Aisheng
2012-09-05 10:57:15 +08:00
zatwierdzone przez Samuel Ortiz
rodzic df37e0c093
commit baa64151ae
5 zmienionych plików z 43 dodań i 43 usunięć
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47
arch/arm/mach-imx/mach-imx6q.c
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@@ -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/syscon.h>
#include <asm/cpuidle.h>
#include <asm/smp_twd.h>
#include <asm/hardware/cache-l2x0.h>
@@ -120,20 +121,7 @@ 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;
}
struct regmap *anatop;
#define HW_ANADIG_USB1_CHRG_DETECT 0x000001b0
#define HW_ANADIG_USB2_CHRG_DETECT 0x00000210
@@ -141,20 +129,21 @@ static void __init imx6q_usb_init(void)
#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);
anatop = syscon_regmap_lookup_by_compatible("fsl,imx6q-anatop");
if (!IS_ERR(anatop)) {
/*
* The external charger detector needs to be disabled,
* or the signal at DP will be poor
*/
regmap_write(anatop, HW_ANADIG_USB1_CHRG_DETECT,
BM_ANADIG_USB_CHRG_DETECT_EN_B
| BM_ANADIG_USB_CHRG_DETECT_CHK_CHRG_B);
regmap_write(anatop, HW_ANADIG_USB2_CHRG_DETECT,
BM_ANADIG_USB_CHRG_DETECT_EN_B |
BM_ANADIG_USB_CHRG_DETECT_CHK_CHRG_B);
} else {
pr_warn("failed to find fsl,imx6q-anatop regmap\n");
}
}
static void __init imx6q_init_machine(void)