ARM: SoC platform updates for 4.17

This release brings up a new platform based on the old ARM9 core: the
 Nuvoton NPCM is used as a baseboard management controller, competing
 with the better known ASpeed AST2xx series.
 
 Another important change is the addition of ARMv7-A based chips
 in mach-stm32. The older parts in this platform are ARMv7-M based
 microcontrollers, now they are expanding to general-purpose workloads.
 
 The other changes are the usual defconfig updates to enable additional
 drivers, lesser bugfixes. The largest updates as often are the ongoing
 OMAP cleanups, but we also have a number of changes for the older
 PXA and davinci platforms this time.
 
 For the Renesas shmobile/r-car platform, some new infrastructure
 is needed to make the watchdog work correctly.
 
 Supporting Multiprocessing on Allwinner A80 required a significant
 amount of new code, but is not doing anything unexpected.
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Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC platform updates from Arnd Bergmann:
 "This release brings up a new platform based on the old ARM9 core: the
  Nuvoton NPCM is used as a baseboard management controller, competing
  with the better known ASpeed AST2xx series.

  Another important change is the addition of ARMv7-A based chips in
  mach-stm32. The older parts in this platform are ARMv7-M based
  microcontrollers, now they are expanding to general-purpose workloads.

  The other changes are the usual defconfig updates to enable additional
  drivers, lesser bugfixes. The largest updates as often are the ongoing
  OMAP cleanups, but we also have a number of changes for the older PXA
  and davinci platforms this time.

  For the Renesas shmobile/r-car platform, some new infrastructure is
  needed to make the watchdog work correctly.

  Supporting Multiprocessing on Allwinner A80 required a significant
  amount of new code, but is not doing anything unexpected"

* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (179 commits)
  arm: npcm: modify configuration for the NPCM7xx BMC.
  MAINTAINERS: update entry for ARM/berlin
  ARM: omap2: fix am43xx build without L2X0
  ARM: davinci: da8xx: simplify CFGCHIP regmap_config
  ARM: davinci: da8xx: fix oops in USB PHY driver due to stack allocated platform_data
  ARM: multi_v7_defconfig: add NXP FlexCAN IP support
  ARM: multi_v7_defconfig: enable thermal driver for i.MX devices
  ARM: multi_v7_defconfig: add RN5T618 PMIC family support
  ARM: multi_v7_defconfig: add NXP graphics drivers
  ARM: multi_v7_defconfig: add GPMI NAND controller support
  ARM: multi_v7_defconfig: add OCOTP driver for NXP SoCs
  ARM: multi_v7_defconfig: configure I2C driver built-in
  arm64: defconfig: add CONFIG_UNIPHIER_THERMAL and CONFIG_SNI_AVE
  ARM: imx: fix imx6sll-only build
  ARM: imx: select ARM_CPU_SUSPEND for CPU_IDLE as well
  ARM: mxs_defconfig: Re-sync defconfig
  ARM: imx_v4_v5_defconfig: Use the generic fsl-asoc-card driver
  ARM: imx_v4_v5_defconfig: Re-sync defconfig
  arm64: defconfig: enable stmmac ethernet to defconfig
  ARM: EXYNOS: Simplify code in coupled CPU idle hot path
  ...
This commit is contained in:
Linus Torvalds 2018-04-05 21:21:08 -07:00
commit 167569343f
189 changed files with 4973 additions and 3960 deletions

View file

@ -23,6 +23,7 @@
#include <linux/mutex.h>
#include <linux/of.h>
#include <linux/of_platform.h>
#include <linux/platform_data/dmtimer-omap.h>
#include <linux/platform_data/pwm_omap_dmtimer.h>
#include <linux/platform_device.h>
#include <linux/pm_runtime.h>
@ -37,7 +38,7 @@ struct pwm_omap_dmtimer_chip {
struct pwm_chip chip;
struct mutex mutex;
pwm_omap_dmtimer *dm_timer;
struct pwm_omap_dmtimer_pdata *pdata;
const struct omap_dm_timer_ops *pdata;
struct platform_device *dm_timer_pdev;
};
@ -242,19 +243,35 @@ static int pwm_omap_dmtimer_probe(struct platform_device *pdev)
{
struct device_node *np = pdev->dev.of_node;
struct device_node *timer;
struct platform_device *timer_pdev;
struct pwm_omap_dmtimer_chip *omap;
struct pwm_omap_dmtimer_pdata *pdata;
struct dmtimer_platform_data *timer_pdata;
const struct omap_dm_timer_ops *pdata;
pwm_omap_dmtimer *dm_timer;
u32 v;
int status;
int ret = 0;
pdata = dev_get_platdata(&pdev->dev);
if (!pdata) {
dev_err(&pdev->dev, "Missing dmtimer platform data\n");
return -EINVAL;
timer = of_parse_phandle(np, "ti,timers", 0);
if (!timer)
return -ENODEV;
timer_pdev = of_find_device_by_node(timer);
if (!timer_pdev) {
dev_err(&pdev->dev, "Unable to find Timer pdev\n");
ret = -ENODEV;
goto put;
}
if (!pdata->request_by_node ||
timer_pdata = dev_get_platdata(&timer_pdev->dev);
if (!timer_pdata) {
dev_err(&pdev->dev, "dmtimer pdata structure NULL\n");
ret = -EINVAL;
goto put;
}
pdata = timer_pdata->timer_ops;
if (!pdata || !pdata->request_by_node ||
!pdata->free ||
!pdata->enable ||
!pdata->disable ||
@ -267,21 +284,26 @@ static int pwm_omap_dmtimer_probe(struct platform_device *pdev)
!pdata->set_prescaler ||
!pdata->write_counter) {
dev_err(&pdev->dev, "Incomplete dmtimer pdata structure\n");
return -EINVAL;
ret = -EINVAL;
goto put;
}
timer = of_parse_phandle(np, "ti,timers", 0);
if (!timer)
return -ENODEV;
if (!of_get_property(timer, "ti,timer-pwm", NULL)) {
dev_err(&pdev->dev, "Missing ti,timer-pwm capability\n");
return -ENODEV;
ret = -ENODEV;
goto put;
}
dm_timer = pdata->request_by_node(timer);
if (!dm_timer)
return -EPROBE_DEFER;
if (!dm_timer) {
ret = -EPROBE_DEFER;
goto put;
}
put:
of_node_put(timer);
if (ret < 0)
return ret;
omap = devm_kzalloc(&pdev->dev, sizeof(*omap), GFP_KERNEL);
if (!omap) {
@ -291,13 +313,7 @@ static int pwm_omap_dmtimer_probe(struct platform_device *pdev)
omap->pdata = pdata;
omap->dm_timer = dm_timer;
omap->dm_timer_pdev = of_find_device_by_node(timer);
if (!omap->dm_timer_pdev) {
dev_err(&pdev->dev, "Unable to find timer pdev\n");
omap->pdata->free(dm_timer);
return -EINVAL;
}
omap->dm_timer_pdev = timer_pdev;
/*
* Ensure that the timer is stopped before we allow PWM core to call
@ -322,11 +338,11 @@ static int pwm_omap_dmtimer_probe(struct platform_device *pdev)
mutex_init(&omap->mutex);
status = pwmchip_add(&omap->chip);
if (status < 0) {
ret = pwmchip_add(&omap->chip);
if (ret < 0) {
dev_err(&pdev->dev, "failed to register PWM\n");
omap->pdata->free(omap->dm_timer);
return status;
return ret;
}
platform_set_drvdata(pdev, omap);