[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-Id: <20221108142226.63161-5-andriy.shevchenko@linux.intel.com>
Date: Tue, 8 Nov 2022 16:22:24 +0200
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
Mika Westerberg <mika.westerberg@...ux.intel.com>,
Hans de Goede <hdegoede@...hat.com>,
Uwe Kleine-König
<u.kleine-koenig@...gutronix.de>,
Thierry Reding <thierry.reding@...il.com>,
linux-kernel@...r.kernel.org, linux-gpio@...r.kernel.org,
linux-pwm@...r.kernel.org
Cc: Andy Shevchenko <andy@...nel.org>,
Linus Walleij <linus.walleij@...aro.org>
Subject: [PATCH v2 4/6] pwm: lpss: Allow other drivers to enable PWM LPSS
The PWM LPSS device can be embedded in another device.
In order to enable it, allow that drivers to probe
a corresponding device.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@...ux.intel.com>
Reviewed-by: Hans de Goede <hdegoede@...hat.com>
---
drivers/pwm/pwm-lpss.h | 22 +--------------
.../linux/platform_data/x86}/pwm-lpss.h | 28 ++++---------------
2 files changed, 6 insertions(+), 44 deletions(-)
copy {drivers/pwm => include/linux/platform_data/x86}/pwm-lpss.h (53%)
diff --git a/drivers/pwm/pwm-lpss.h b/drivers/pwm/pwm-lpss.h
index 4561d229b27d..b721532c6c3c 100644
--- a/drivers/pwm/pwm-lpss.h
+++ b/drivers/pwm/pwm-lpss.h
@@ -13,27 +13,10 @@
#include <linux/pwm.h>
#include <linux/types.h>
-struct device;
+#include <linux/platform_data/x86/pwm-lpss.h>
#define LPSS_MAX_PWMS 4
-struct pwm_lpss_boardinfo {
- unsigned long clk_rate;
- unsigned int npwm;
- unsigned long base_unit_bits;
- /*
- * Some versions of the IP may stuck in the state machine if enable
- * bit is not set, and hence update bit will show busy status till
- * the reset. For the rest it may be otherwise.
- */
- bool bypass;
- /*
- * On some devices the _PS0/_PS3 AML code of the GPU (GFX0) device
- * messes with the PWM0 controllers state,
- */
- bool other_devices_aml_touches_pwm_regs;
-};
-
extern const struct pwm_lpss_boardinfo pwm_lpss_byt_info;
extern const struct pwm_lpss_boardinfo pwm_lpss_bsw_info;
extern const struct pwm_lpss_boardinfo pwm_lpss_bxt_info;
@@ -45,7 +28,4 @@ struct pwm_lpss_chip {
const struct pwm_lpss_boardinfo *info;
};
-struct pwm_lpss_chip *pwm_lpss_probe(struct device *dev, void __iomem *base,
- const struct pwm_lpss_boardinfo *info);
-
#endif /* __PWM_LPSS_H */
diff --git a/drivers/pwm/pwm-lpss.h b/include/linux/platform_data/x86/pwm-lpss.h
similarity index 53%
copy from drivers/pwm/pwm-lpss.h
copy to include/linux/platform_data/x86/pwm-lpss.h
index 4561d229b27d..296bd837ddbb 100644
--- a/drivers/pwm/pwm-lpss.h
+++ b/include/linux/platform_data/x86/pwm-lpss.h
@@ -1,21 +1,14 @@
/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * Intel Low Power Subsystem PWM controller driver
- *
- * Copyright (C) 2014, Intel Corporation
- *
- * Derived from the original pwm-lpss.c
- */
+/* Intel Low Power Subsystem PWM controller driver */
-#ifndef __PWM_LPSS_H
-#define __PWM_LPSS_H
+#ifndef __PLATFORM_DATA_X86_PWM_LPSS_H
+#define __PLATFORM_DATA_X86_PWM_LPSS_H
-#include <linux/pwm.h>
#include <linux/types.h>
struct device;
-#define LPSS_MAX_PWMS 4
+struct pwm_lpss_chip;
struct pwm_lpss_boardinfo {
unsigned long clk_rate;
@@ -34,18 +27,7 @@ struct pwm_lpss_boardinfo {
bool other_devices_aml_touches_pwm_regs;
};
-extern const struct pwm_lpss_boardinfo pwm_lpss_byt_info;
-extern const struct pwm_lpss_boardinfo pwm_lpss_bsw_info;
-extern const struct pwm_lpss_boardinfo pwm_lpss_bxt_info;
-extern const struct pwm_lpss_boardinfo pwm_lpss_tng_info;
-
-struct pwm_lpss_chip {
- struct pwm_chip chip;
- void __iomem *regs;
- const struct pwm_lpss_boardinfo *info;
-};
-
struct pwm_lpss_chip *pwm_lpss_probe(struct device *dev, void __iomem *base,
const struct pwm_lpss_boardinfo *info);
-#endif /* __PWM_LPSS_H */
+#endif /* __PLATFORM_DATA_X86_PWM_LPSS_H */
--
2.35.1
Powered by blists - more mailing lists