drivers: pwm: pwm-imx: move pwm-imx-util into pwm-imx

Move pwm_imx_get_parms, pwm_id_to_reg functions into pwm-imx.c
and drop off pwm-imx-util.c

Signed-off-by: Tommaso Merciai <tommaso.merciai@amarulasolutions.com>

diff --git a/drivers/pwm/Makefile b/drivers/pwm/Makefile
index bd119a6..e4d10c8 100644 (file)
--- a/drivers/pwm/Makefile
+++ b/drivers/pwm/Makefile
@@ -15,7 +15,7 @@ obj-$(CONFIG_PWM_AT91)                += pwm-at91.o
 obj-$(CONFIG_PWM_CADENCE_TTC)  += pwm-cadence-ttc.o
 obj-$(CONFIG_PWM_CROS_EC)      += cros_ec_pwm.o
 obj-$(CONFIG_PWM_EXYNOS)       += exynos_pwm.o
-obj-$(CONFIG_PWM_IMX)          += pwm-imx.o pwm-imx-util.o
+obj-$(CONFIG_PWM_IMX)          += pwm-imx.o
 obj-$(CONFIG_PWM_MESON)                += pwm-meson.o
 obj-$(CONFIG_PWM_MTK)          += pwm-mtk.o
 obj-$(CONFIG_PWM_ROCKCHIP)     += rk_pwm.o

diff --git a/drivers/pwm/pwm-imx-util.c b/drivers/pwm/pwm-imx-util.c
deleted file mode 100644 (file)
index 823a9d2..0000000
--- a/drivers/pwm/pwm-imx-util.c
+++ /dev/null
@@ -1,80 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * (C) Copyright 2014
- * Heiko Schocher, DENX Software Engineering, hs@denx.de.
- *
- * Basic support for the pwm module on imx6.
- *
- * Based on linux:drivers/pwm/pwm-imx.c
- * from
- * Sascha Hauer <s.hauer@pengutronix.de>
- */
-
-#include <common.h>
-#include <div64.h>
-#include <asm/arch/imx-regs.h>
-
-/* pwm_id from 0..7 */
-struct pwm_regs *pwm_id_to_reg(int pwm_id)
-{
-       switch (pwm_id) {
-       case 0:
-               return (struct pwm_regs *)PWM1_BASE_ADDR;
-       case 1:
-               return (struct pwm_regs *)PWM2_BASE_ADDR;
-#ifdef CONFIG_MX6
-       case 2:
-               return (struct pwm_regs *)PWM3_BASE_ADDR;
-       case 3:
-               return (struct pwm_regs *)PWM4_BASE_ADDR;
-#endif
-#ifdef CONFIG_MX6SX
-       case 4:
-               return (struct pwm_regs *)PWM5_BASE_ADDR;
-       case 5:
-               return (struct pwm_regs *)PWM6_BASE_ADDR;
-       case 6:
-               return (struct pwm_regs *)PWM7_BASE_ADDR;
-       case 7:
-               return (struct pwm_regs *)PWM8_BASE_ADDR;
-#endif
-       default:
-               printf("unknown pwm_id: %d\n", pwm_id);
-               break;
-       }
-       return NULL;
-}
-
-int pwm_imx_get_parms(int period_ns, int duty_ns, unsigned long *period_c,
-                     unsigned long *duty_c, unsigned long *prescale)
-{
-       unsigned long long c;
-
-       /*
-        * we have not yet a clock framework for imx6, so add the clock
-        * value here as a define. Replace it when we have the clock
-        * framework.
-        */
-       c = CONFIG_IMX6_PWM_PER_CLK;
-       c = c * period_ns;
-       do_div(c, 1000000000);
-       *period_c = c;
-
-       *prescale = *period_c / 0x10000 + 1;
-
-       *period_c /= *prescale;
-       c = *period_c * (unsigned long long)duty_ns;
-       do_div(c, period_ns);
-       *duty_c = c;
-
-       /*
-        * according to imx pwm RM, the real period value should be
-        * PERIOD value in PWMPR plus 2.
-        */
-       if (*period_c > 2)
-               *period_c -= 2;
-       else
-               *period_c = 0;
-
-       return 0;
-}

diff --git a/drivers/pwm/pwm-imx-util.h b/drivers/pwm/pwm-imx-util.h
deleted file mode 100644 (file)
index 82c61d7..0000000
--- a/drivers/pwm/pwm-imx-util.h
+++ /dev/null
@@ -1,15 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- * (C) Copyright 2014
- * Heiko Schocher, DENX Software Engineering, hs@denx.de.
- *
- * Basic support for the pwm module on imx6.
- */
-
-#ifndef _pwm_imx_util_h_
-#define _pwm_imx_util_h_
-
-struct pwm_regs *pwm_id_to_reg(int pwm_id);
-int pwm_imx_get_parms(int period_ns, int duty_ns, unsigned long *period_c,
-                     unsigned long *duty_c, unsigned long *prescale);
-#endif

diff --git a/drivers/pwm/pwm-imx.c b/drivers/pwm/pwm-imx.c
index ce1290a..1d656e7 100644 (file)
--- a/drivers/pwm/pwm-imx.c
+++ b/drivers/pwm/pwm-imx.c
@@ -13,7 +13,6 @@
 #include <pwm.h>
 #include <asm/arch/imx-regs.h>
 #include <asm/io.h>
-#include "pwm-imx-util.h"
 
 int pwm_init(int pwm_id, int div, int invert)
 {
@@ -45,6 +44,72 @@ int pwm_config_internal(struct pwm_regs *pwm, unsigned long period_cycles,
        return 0;
 }
 
+/* pwm_id from 0..7 */
+struct pwm_regs *pwm_id_to_reg(int pwm_id)
+{
+
+       switch (pwm_id) {
+       case 0:
+               return (struct pwm_regs *)PWM1_BASE_ADDR;
+       case 1:
+               return (struct pwm_regs *)PWM2_BASE_ADDR;
+#ifdef CONFIG_MX6
+       case 2:
+               return (struct pwm_regs *)PWM3_BASE_ADDR;
+       case 3:
+               return (struct pwm_regs *)PWM4_BASE_ADDR;
+#endif
+#ifdef CONFIG_MX6SX
+       case 4:
+               return (struct pwm_regs *)PWM5_BASE_ADDR;
+       case 5:
+               return (struct pwm_regs *)PWM6_BASE_ADDR;
+       case 6:
+               return (struct pwm_regs *)PWM7_BASE_ADDR;
+       case 7:
+               return (struct pwm_regs *)PWM8_BASE_ADDR;
+#endif
+       default:
+               printf("unknown pwm_id: %d\n", pwm_id);
+               break;
+       }
+       return NULL;
+}
+
+int pwm_imx_get_parms(int period_ns, int duty_ns, unsigned long *period_c,
+                     unsigned long *duty_c, unsigned long *prescale)
+{
+       unsigned long long c;
+
+       /*
+        * we have not yet a clock framework for imx6, so add the clock
+        * value here as a define. Replace it when we have the clock
+        * framework.
+        */
+       c = CONFIG_IMX6_PWM_PER_CLK;
+       c = c * period_ns;
+       do_div(c, 1000000000);
+       *period_c = c;
+
+       *prescale = *period_c / 0x10000 + 1;
+
+       *period_c /= *prescale;
+       c = *period_c * (unsigned long long)duty_ns;
+       do_div(c, period_ns);
+       *duty_c = c;
+
+       /*
+        * according to imx pwm RM, the real period value should be
+        * PERIOD value in PWMPR plus 2.
+        */
+       if (*period_c > 2)
+               *period_c -= 2;
+       else
+               *period_c = 0;
+
+       return 0;
+}
+
 int pwm_config(int pwm_id, int duty_ns, int period_ns)
 {
        struct pwm_regs *pwm = (struct pwm_regs *)pwm_id_to_reg(pwm_id);