@@ -13,7 +13,7 @@ obj-$(CONFIG_DM_PWM) += pwm-uclass.o
obj-$(CONFIG_PWM_AT91) += pwm-at91.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
deleted file mode 100644
@@ -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;
-}
deleted file mode 100644
@@ -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
@@ -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)
{
@@ -44,6 +43,72 @@ 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);
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> --- drivers/pwm/Makefile | 2 +- drivers/pwm/pwm-imx-util.c | 80 -------------------------------------- drivers/pwm/pwm-imx-util.h | 15 ------- drivers/pwm/pwm-imx.c | 67 ++++++++++++++++++++++++++++++- 4 files changed, 67 insertions(+), 97 deletions(-) delete mode 100644 drivers/pwm/pwm-imx-util.c delete mode 100644 drivers/pwm/pwm-imx-util.h