iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Browse Source 
Pull ARM SoC platform updates from Olof Johansson:
 "Most of these are for MMP (seeing a bunch of cleanups and refactorings
  for the first time in a while), and for OMAP (a bunch of cleanups and
  added support for voltage controller on OMAP4430)"

* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (51 commits)
  ARM: OMAP2+: Add missing put_device() call in omapdss_init_of()
  OMAP2: fixup doc comments in omap_device
  ARM: OMAP1: drop duplicated dependency on ARCH_OMAP1
  ARM: ASPEED: update default ARCH_NR_GPIO for ARCH_ASPEED
  ARM: imx: use generic function to exit coherency
  ARM: tegra: Use WFE for power-gating on Tegra30
  ARM: tegra: Fix FLOW_CTLR_HALT register clobbering by tegra_resume()
  ARM: exynos: Enable exynos-asv driver for ARCH_EXYNOS
  ARM: s3c: Rename s5p_usb_phy functions
  ARM: s3c: Rename s3c64xx_spi_setname() function
  ARM: imx: Add serial number support for i.MX6/7 SoCs
  ARM: imx: Drop imx_anatop_usb_chrg_detect_disable()
  arm64: Introduce config for S32
  ARM: hisi: drop useless depend on ARCH_MULTI_V7
  arm64: realtek: Select reset controller
  ARM: shmobile: rcar-gen2: Drop legacy DT clock support
  ARM: OMAP2+: Remove duplicated include from pmic-cpcap.c
  ARM: OMAP1: ams-delta FIQ: Fix a typo ("Initiaize")
  MAINTAINERS: Add logicpd-som-lv and logicpd-torpedo to OMAP TREE
  ARM: OMAP2+: pdata-quirks: drop TI_ST/KIM support
  ...
This commit is contained in:
Linus Torvalds
2019-12-05 11:38:40 -08:00
parent d9e48dc2a7 ab818f0999
commit 38206c24ab
68 changed files with 708 additions and 494 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
arch/arm/mach-omap2/Makefile
View File

@ -29,6 +29,11 @@ obj-y += mcbsp.o
endif
obj-$(CONFIG_TWL4030_CORE) += omap_twl.o
ifneq ($(CONFIG_MFD_CPCAP),)
obj-y += pmic-cpcap.o
endif
obj-$(CONFIG_SOC_HAS_OMAP2_SDRC) += sdrc.o
# SMP support ONLY available for OMAP4

78
arch/arm/mach-omap2/clockdomain.c
View File

@ -1147,7 +1147,21 @@ void clkdm_del_autodeps(struct clockdomain *clkdm)
/* Clockdomain-to-clock/hwmod framework interface code */
static int _clkdm_clk_hwmod_enable(struct clockdomain *clkdm)
/**
* clkdm_clk_enable - add an enabled downstream clock to this clkdm
* @clkdm: struct clockdomain *
* @clk: struct clk * of the enabled downstream clock
*
* Increment the usecount of the clockdomain @clkdm and ensure that it
* is awake before @clk is enabled. Intended to be called by
* clk_enable() code. If the clockdomain is in software-supervised
* idle mode, force the clockdomain to wake. If the clockdomain is in
* hardware-supervised idle mode, add clkdm-pwrdm autodependencies, to
* ensure that devices in the clockdomain can be read from/written to
* by on-chip processors. Returns -EINVAL if passed null pointers;
* returns 0 upon success or if the clockdomain is in hwsup idle mode.
*/
int clkdm_clk_enable(struct clockdomain *clkdm, struct clk *unused)
{
if (!clkdm || !arch_clkdm || !arch_clkdm->clkdm_clk_enable)
return -EINVAL;
@ -1174,33 +1188,6 @@ static int _clkdm_clk_hwmod_enable(struct clockdomain *clkdm)
return 0;
}
/**
* clkdm_clk_enable - add an enabled downstream clock to this clkdm
* @clkdm: struct clockdomain *
* @clk: struct clk * of the enabled downstream clock
*
* Increment the usecount of the clockdomain @clkdm and ensure that it
* is awake before @clk is enabled. Intended to be called by
* clk_enable() code. If the clockdomain is in software-supervised
* idle mode, force the clockdomain to wake. If the clockdomain is in
* hardware-supervised idle mode, add clkdm-pwrdm autodependencies, to
* ensure that devices in the clockdomain can be read from/written to
* by on-chip processors. Returns -EINVAL if passed null pointers;
* returns 0 upon success or if the clockdomain is in hwsup idle mode.
*/
int clkdm_clk_enable(struct clockdomain *clkdm, struct clk *clk)
{
/*
* XXX Rewrite this code to maintain a list of enabled
* downstream clocks for debugging purposes?
*/
if (!clk)
return -EINVAL;
return _clkdm_clk_hwmod_enable(clkdm);
}
/**
* clkdm_clk_disable - remove an enabled downstream clock from this clkdm
* @clkdm: struct clockdomain *
@ -1216,13 +1203,13 @@ int clkdm_clk_enable(struct clockdomain *clkdm, struct clk *clk)
*/
int clkdm_clk_disable(struct clockdomain *clkdm, struct clk *clk)
{
if (!clkdm || !clk || !arch_clkdm || !arch_clkdm->clkdm_clk_disable)
if (!clkdm || !arch_clkdm || !arch_clkdm->clkdm_clk_disable)
return -EINVAL;
pwrdm_lock(clkdm->pwrdm.ptr);
/* corner case: disabling unused clocks */
if ((__clk_get_enable_count(clk) == 0) && clkdm->usecount == 0)
if (clk && (__clk_get_enable_count(clk) == 0) && clkdm->usecount == 0)
goto ccd_exit;
if (clkdm->usecount == 0) {
@ -1277,7 +1264,7 @@ int clkdm_hwmod_enable(struct clockdomain *clkdm, struct omap_hwmod *oh)
if (!oh)
return -EINVAL;
return _clkdm_clk_hwmod_enable(clkdm);
return clkdm_clk_enable(clkdm, NULL);
}
/**
@ -1300,35 +1287,10 @@ int clkdm_hwmod_disable(struct clockdomain *clkdm, struct omap_hwmod *oh)
if (cpu_is_omap24xx() || cpu_is_omap34xx())
return 0;
/*
* XXX Rewrite this code to maintain a list of enabled
* downstream hwmods for debugging purposes?
*/
if (!clkdm || !oh || !arch_clkdm || !arch_clkdm->clkdm_clk_disable)
if (!oh)
return -EINVAL;
pwrdm_lock(clkdm->pwrdm.ptr);
if (clkdm->usecount == 0) {
pwrdm_unlock(clkdm->pwrdm.ptr);
WARN_ON(1); /* underflow */
return -ERANGE;
}
clkdm->usecount--;
if (clkdm->usecount > 0) {
pwrdm_unlock(clkdm->pwrdm.ptr);
return 0;
}
arch_clkdm->clkdm_clk_disable(clkdm);
pwrdm_state_switch_nolock(clkdm->pwrdm.ptr);
pwrdm_unlock(clkdm->pwrdm.ptr);
pr_debug("clockdomain: %s: disabled\n", clkdm->name);
return 0;
return clkdm_clk_disable(clkdm, NULL);
}
/**

4
arch/arm/mach-omap2/control.c
View File

@ -684,7 +684,7 @@ static u32 am33xx_control_vals[ARRAY_SIZE(am43xx_control_reg_offsets)];
*
* Save the wkup domain registers
*/
void am43xx_control_save_context(void)
static void am43xx_control_save_context(void)
{
int i;
@ -698,7 +698,7 @@ void am43xx_control_save_context(void)
*
* Restore the wkup domain registers
*/
void am43xx_control_restore_context(void)
static void am43xx_control_restore_context(void)
{
int i;

1
arch/arm/mach-omap2/control.h
View File

@ -195,6 +195,7 @@
#define OMAP44XX_CONTROL_FUSE_MPU_OPP100 0x243
#define OMAP44XX_CONTROL_FUSE_MPU_OPPTURBO 0x246
#define OMAP44XX_CONTROL_FUSE_MPU_OPPNITRO 0x249
#define OMAP44XX_CONTROL_FUSE_MPU_OPPNITROSB 0x24C
#define OMAP44XX_CONTROL_FUSE_CORE_OPP50 0x254
#define OMAP44XX_CONTROL_FUSE_CORE_OPP100 0x257
#define OMAP44XX_CONTROL_FUSE_CORE_OPP100OV 0x25A

1
arch/arm/mach-omap2/display.c
View File

@ -265,6 +265,7 @@ static int __init omapdss_init_of(void)
r = of_platform_populate(node, NULL, NULL, &pdev->dev);
if (r) {
pr_err("Unable to populate DSS submodule devices\n");
put_device(&pdev->dev);
return r;
}

2
arch/arm/mach-omap2/omap-mpuss-lowpower.c
View File

@ -227,7 +227,6 @@ int omap4_enter_lowpower(unsigned int cpu, unsigned int power_state)
{
struct omap4_cpu_pm_info *pm_info = &per_cpu(omap4_pm_info, cpu);
unsigned int save_state = 0, cpu_logic_state = PWRDM_POWER_RET;
unsigned int wakeup_cpu;
if (omap_rev() == OMAP4430_REV_ES1_0)
return -ENXIO;
@ -292,7 +291,6 @@ int omap4_enter_lowpower(unsigned int cpu, unsigned int power_state)
* secure devices, CPUx does WFI which can result in
* domain transition
*/
wakeup_cpu = smp_processor_id();
pwrdm_set_next_pwrst(pm_info->pwrdm, PWRDM_POWER_ON);
pwrdm_post_transition(NULL);

19
arch/arm/mach-omap2/omap_device.c
View File

@ -119,11 +119,7 @@ static void _add_hwmod_clocks_clkdev(struct omap_device *od,
/**
* omap_device_build_from_dt - build an omap_device with multiple hwmods
* @pdev_name: name of the platform_device driver to use
* @pdev_id: this platform_device's connection ID
* @oh: ptr to the single omap_hwmod that backs this omap_device
* @pdata: platform_data ptr to associate with the platform_device
* @pdata_len: amount of memory pointed to by @pdata
* @pdev: The platform device to update.
*
* Function for building an omap_device already registered from device-tree
*
@ -292,7 +288,7 @@ static int _omap_device_idle_hwmods(struct omap_device *od)
/**
* omap_device_get_context_loss_count - get lost context count
* @od: struct omap_device *
* @pdev: The platform device to update.
*
* Using the primary hwmod, query the context loss count for this
* device.
@ -321,9 +317,8 @@ int omap_device_get_context_loss_count(struct platform_device *pdev)
/**
* omap_device_alloc - allocate an omap_device
* @pdev: platform_device that will be included in this omap_device
* @oh: ptr to the single omap_hwmod that backs this omap_device
* @pdata: platform_data ptr to associate with the platform_device
* @pdata_len: amount of memory pointed to by @pdata
* @ohs: ptr to the omap_hwmod for this omap_device
* @oh_cnt: the size of the ohs list
*
* Convenience function for allocating an omap_device structure and filling
* hwmods, and resources.
@ -649,7 +644,7 @@ struct dev_pm_domain omap_device_pm_domain = {
/**
* omap_device_register - register an omap_device with one omap_hwmod
* @od: struct omap_device * to register
* @pdev: the platform device (omap_device) to register.
*
* Register the omap_device structure. This currently just calls
* platform_device_register() on the underlying platform_device.
@ -668,7 +663,7 @@ int omap_device_register(struct platform_device *pdev)
/**
* omap_device_enable - fully activate an omap_device
* @od: struct omap_device * to activate
* @pdev: the platform device to activate
*
* Do whatever is necessary for the hwmods underlying omap_device @od
* to be accessible and ready to operate. This generally involves
@ -702,7 +697,7 @@ int omap_device_enable(struct platform_device *pdev)
/**
* omap_device_idle - idle an omap_device
* @od: struct omap_device * to idle
* @pdev: The platform_device (omap_device) to idle
*
* Idle omap_device @od. Device drivers call this function indirectly
* via pm_runtime_put*(). Returns -EINVAL if the omap_device is not

97
arch/arm/mach-omap2/omap_hwmod.c
View File

@ -623,39 +623,6 @@ static int _enable_wakeup(struct omap_hwmod *oh, u32 *v)
return 0;
}
/**
* _disable_wakeup: clear OCP_SYSCONFIG.ENAWAKEUP bit in the hardware
* @oh: struct omap_hwmod *
*
* Prevent the hardware module @oh to send wakeups. Returns -EINVAL
* upon error or 0 upon success.
*/
static int _disable_wakeup(struct omap_hwmod *oh, u32 *v)
{
if (!oh->class->sysc ||
!((oh->class->sysc->sysc_flags & SYSC_HAS_ENAWAKEUP) ||
(oh->class->sysc->idlemodes & SIDLE_SMART_WKUP) ||
(oh->class->sysc->idlemodes & MSTANDBY_SMART_WKUP)))
return -EINVAL;
if (!oh->class->sysc->sysc_fields) {
WARN(1, "omap_hwmod: %s: offset struct for sysconfig not provided in class\n", oh->name);
return -EINVAL;
}
if (oh->class->sysc->sysc_flags & SYSC_HAS_ENAWAKEUP)
*v &= ~(0x1 << oh->class->sysc->sysc_fields->enwkup_shift);
if (oh->class->sysc->idlemodes & SIDLE_SMART_WKUP)
_set_slave_idlemode(oh, HWMOD_IDLEMODE_SMART, v);
if (oh->class->sysc->idlemodes & MSTANDBY_SMART_WKUP)
_set_master_standbymode(oh, HWMOD_IDLEMODE_SMART, v);
/* XXX test pwrdm_get_wken for this hwmod's subsystem */
return 0;
}
static struct clockdomain *_get_clkdm(struct omap_hwmod *oh)
{
struct clk_hw_omap *clk;
@ -3867,70 +3834,6 @@ void __iomem *omap_hwmod_get_mpu_rt_va(struct omap_hwmod *oh)
* for context save/restore operations?
*/
/**
* omap_hwmod_enable_wakeup - allow device to wake up the system
* @oh: struct omap_hwmod *
*
* Sets the module OCP socket ENAWAKEUP bit to allow the module to
* send wakeups to the PRCM, and enable I/O ring wakeup events for
* this IP block if it has dynamic mux entries. Eventually this
* should set PRCM wakeup registers to cause the PRCM to receive
* wakeup events from the module. Does not set any wakeup routing
* registers beyond this point - if the module is to wake up any other
* module or subsystem, that must be set separately. Called by
* omap_device code. Returns -EINVAL on error or 0 upon success.
*/
int omap_hwmod_enable_wakeup(struct omap_hwmod *oh)
{
unsigned long flags;
u32 v;
spin_lock_irqsave(&oh->_lock, flags);
if (oh->class->sysc &&
(oh->class->sysc->sysc_flags & SYSC_HAS_ENAWAKEUP)) {
v = oh->_sysc_cache;
_enable_wakeup(oh, &v);
_write_sysconfig(v, oh);
}
spin_unlock_irqrestore(&oh->_lock, flags);
return 0;
}
/**
* omap_hwmod_disable_wakeup - prevent device from waking the system
* @oh: struct omap_hwmod *
*
* Clears the module OCP socket ENAWAKEUP bit to prevent the module
* from sending wakeups to the PRCM, and disable I/O ring wakeup
* events for this IP block if it has dynamic mux entries. Eventually
* this should clear PRCM wakeup registers to cause the PRCM to ignore
* wakeup events from the module. Does not set any wakeup routing
* registers beyond this point - if the module is to wake up any other
* module or subsystem, that must be set separately. Called by
* omap_device code. Returns -EINVAL on error or 0 upon success.
*/
int omap_hwmod_disable_wakeup(struct omap_hwmod *oh)
{
unsigned long flags;
u32 v;
spin_lock_irqsave(&oh->_lock, flags);
if (oh->class->sysc &&
(oh->class->sysc->sysc_flags & SYSC_HAS_ENAWAKEUP)) {
v = oh->_sysc_cache;
_disable_wakeup(oh, &v);
_write_sysconfig(v, oh);
}
spin_unlock_irqrestore(&oh->_lock, flags);
return 0;
}
/**
* omap_hwmod_assert_hardreset - assert the HW reset line of submodules
* contained in the hwmod module.

3
arch/arm/mach-omap2/omap_hwmod.h
View File

@ -646,9 +646,6 @@ int omap_hwmod_get_resource_byname(struct omap_hwmod *oh, unsigned int type,
struct powerdomain *omap_hwmod_get_pwrdm(struct omap_hwmod *oh);
void __iomem *omap_hwmod_get_mpu_rt_va(struct omap_hwmod *oh);
int omap_hwmod_enable_wakeup(struct omap_hwmod *oh);
int omap_hwmod_disable_wakeup(struct omap_hwmod *oh);
int omap_hwmod_for_each_by_class(const char *classname,
int (*fn)(struct omap_hwmod *oh,
void *user),

4
arch/arm/mach-omap2/omap_hwmod_44xx_data.c
View File

@ -790,7 +790,7 @@ static struct omap_hwmod_class omap44xx_sha0_hwmod_class = {
.sysc = &omap44xx_sha0_sysc,
};
struct omap_hwmod omap44xx_sha0_hwmod = {
static struct omap_hwmod omap44xx_sha0_hwmod = {
.name = "sham",
.class = &omap44xx_sha0_hwmod_class,
.clkdm_name = "l4_secure_clkdm",
@ -974,7 +974,7 @@ static struct omap_hwmod omap44xx_des_hwmod = {
},
};
struct omap_hwmod_ocp_if omap44xx_l3_main_2__des = {
static struct omap_hwmod_ocp_if omap44xx_l3_main_2__des = {
.master = &omap44xx_l3_main_2_hwmod,
.slave = &omap44xx_des_hwmod,
.clk = "l3_div_ck",

2
arch/arm/mach-omap2/omap_hwmod_7xx_data.c
View File

@ -683,7 +683,7 @@ static struct omap_hwmod_class dra7xx_sha0_hwmod_class = {
.sysc = &dra7xx_sha0_sysc,
};
struct omap_hwmod dra7xx_sha0_hwmod = {
static struct omap_hwmod dra7xx_sha0_hwmod = {
.name = "sham",
.class = &dra7xx_sha0_hwmod_class,
.clkdm_name = "l4sec_clkdm",

8
arch/arm/mach-omap2/omap_twl.c
View File

@ -36,11 +36,6 @@
#define OMAP4_VDD_CORE_SR_VOLT_REG 0x61
#define OMAP4_VDD_CORE_SR_CMD_REG 0x62
#define OMAP4_VP_CONFIG_ERROROFFSET 0x00
#define OMAP4_VP_VSTEPMIN_VSTEPMIN 0x01
#define OMAP4_VP_VSTEPMAX_VSTEPMAX 0x04
#define OMAP4_VP_VLIMITTO_TIMEOUT_US 200
static bool is_offset_valid;
static u8 smps_offset;
@ -219,7 +214,8 @@ int __init omap4_twl_init(void)
{
struct voltagedomain *voltdm;
if (!cpu_is_omap44xx())
if (!cpu_is_omap44xx() ||
of_find_compatible_node(NULL, NULL, "motorola,cpcap"))
return -ENODEV;
voltdm = voltdm_lookup("mpu");

16
arch/arm/mach-omap2/opp4xxx_data.c
View File

@ -32,20 +32,22 @@
#define OMAP4430_VDD_MPU_OPP50_UV 1025000
#define OMAP4430_VDD_MPU_OPP100_UV 1200000
#define OMAP4430_VDD_MPU_OPPTURBO_UV 1313000
#define OMAP4430_VDD_MPU_OPPNITRO_UV 1375000
#define OMAP4430_VDD_MPU_OPPTURBO_UV 1325000
#define OMAP4430_VDD_MPU_OPPNITRO_UV 1388000
#define OMAP4430_VDD_MPU_OPPNITROSB_UV 1398000
struct omap_volt_data omap443x_vdd_mpu_volt_data[] = {
VOLT_DATA_DEFINE(OMAP4430_VDD_MPU_OPP50_UV, OMAP44XX_CONTROL_FUSE_MPU_OPP50, 0xf4, 0x0c),
VOLT_DATA_DEFINE(OMAP4430_VDD_MPU_OPP100_UV, OMAP44XX_CONTROL_FUSE_MPU_OPP100, 0xf9, 0x16),
VOLT_DATA_DEFINE(OMAP4430_VDD_MPU_OPPTURBO_UV, OMAP44XX_CONTROL_FUSE_MPU_OPPTURBO, 0xfa, 0x23),
VOLT_DATA_DEFINE(OMAP4430_VDD_MPU_OPPNITRO_UV, OMAP44XX_CONTROL_FUSE_MPU_OPPNITRO, 0xfa, 0x27),
VOLT_DATA_DEFINE(OMAP4430_VDD_MPU_OPPNITROSB_UV, OMAP44XX_CONTROL_FUSE_MPU_OPPNITROSB, 0xfa, 0x27),
VOLT_DATA_DEFINE(0, 0, 0, 0),
};
#define OMAP4430_VDD_IVA_OPP50_UV 1013000
#define OMAP4430_VDD_IVA_OPP100_UV 1188000
#define OMAP4430_VDD_IVA_OPPTURBO_UV 1300000
#define OMAP4430_VDD_IVA_OPP50_UV 950000
#define OMAP4430_VDD_IVA_OPP100_UV 1114000
#define OMAP4430_VDD_IVA_OPPTURBO_UV 1291000
struct omap_volt_data omap443x_vdd_iva_volt_data[] = {
VOLT_DATA_DEFINE(OMAP4430_VDD_IVA_OPP50_UV, OMAP44XX_CONTROL_FUSE_IVA_OPP50, 0xf4, 0x0c),
@ -54,8 +56,8 @@ struct omap_volt_data omap443x_vdd_iva_volt_data[] = {
VOLT_DATA_DEFINE(0, 0, 0, 0),
};
#define OMAP4430_VDD_CORE_OPP50_UV 1025000
#define OMAP4430_VDD_CORE_OPP100_UV 1200000
#define OMAP4430_VDD_CORE_OPP50_UV 962000
#define OMAP4430_VDD_CORE_OPP100_UV 1127000
struct omap_volt_data omap443x_vdd_core_volt_data[] = {
VOLT_DATA_DEFINE(OMAP4430_VDD_CORE_OPP50_UV, OMAP44XX_CONTROL_FUSE_CORE_OPP50, 0xf4, 0x0c),

52
arch/arm/mach-omap2/pdata-quirks.c
View File

@ -10,7 +10,6 @@
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/of_platform.h>
#include <linux/ti_wilink_st.h>
#include <linux/wl12xx.h>
#include <linux/mmc/card.h>
#include <linux/mmc/host.h>
@ -144,53 +143,6 @@ static void __init omap3_sbc_t3530_legacy_init(void)
omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
}
static struct ti_st_plat_data wilink_pdata = {
.nshutdown_gpio = 137,
.dev_name = "/dev/ttyO1",
.flow_cntrl = 1,
.baud_rate = 300000,
};
static struct platform_device wl18xx_device = {
.name = "kim",
.id = -1,
.dev = {
.platform_data = &wilink_pdata,
}
};
static struct ti_st_plat_data wilink7_pdata = {
.nshutdown_gpio = 162,
.dev_name = "/dev/ttyO1",
.flow_cntrl = 1,
.baud_rate = 3000000,
};
static struct platform_device wl128x_device = {
.name = "kim",
.id = -1,
.dev = {
.platform_data = &wilink7_pdata,
}
};
static struct platform_device btwilink_device = {
.name = "btwilink",
.id = -1,
};
static void __init omap3_igep0020_rev_f_legacy_init(void)
{
platform_device_register(&wl18xx_device);
platform_device_register(&btwilink_device);
}
static void __init omap3_igep0030_rev_g_legacy_init(void)
{
platform_device_register(&wl18xx_device);
platform_device_register(&btwilink_device);
}
static void __init omap3_evm_legacy_init(void)
{
hsmmc2_internal_input_clk();
@ -293,8 +245,6 @@ static void __init omap3_tao3530_legacy_init(void)
static void __init omap3_logicpd_torpedo_init(void)
{
omap3_gpio126_127_129();
platform_device_register(&wl128x_device);
platform_device_register(&btwilink_device);
}
/* omap3pandora legacy devices */
@ -575,8 +525,6 @@ static struct pdata_init pdata_quirks[] __initdata = {
{ "nokia,omap3-n900", nokia_n900_legacy_init, },
{ "nokia,omap3-n9", hsmmc2_internal_input_clk, },
{ "nokia,omap3-n950", hsmmc2_internal_input_clk, },
{ "isee,omap3-igep0020-rev-f", omap3_igep0020_rev_f_legacy_init, },
{ "isee,omap3-igep0030-rev-g", omap3_igep0030_rev_g_legacy_init, },
{ "logicpd,dm3730-torpedo-devkit", omap3_logicpd_torpedo_init, },
{ "ti,omap3-evm-37xx", omap3_evm_legacy_init, },
{ "ti,am3517-evm", am3517_evm_legacy_init, },

1
arch/arm/mach-omap2/pm.c
View File

@ -148,6 +148,7 @@ int __init omap2_common_pm_late_init(void)
/* Init the voltage layer */
omap3_twl_init();
omap4_twl_init();
omap4_cpcap_init();
omap_voltage_late_init();
/* Smartreflex device init */

14
arch/arm/mach-omap2/pm.h
View File

@ -107,6 +107,11 @@ extern u16 pm44xx_errata;
#define IS_PM44XX_ERRATUM(id) 0
#endif
#define OMAP4_VP_CONFIG_ERROROFFSET 0x00
#define OMAP4_VP_VSTEPMIN_VSTEPMIN 0x01
#define OMAP4_VP_VSTEPMAX_VSTEPMAX 0x04
#define OMAP4_VP_VLIMITTO_TIMEOUT_US 200
#ifdef CONFIG_POWER_AVS_OMAP
extern int omap_devinit_smartreflex(void);
extern void omap_enable_smartreflex_on_init(void);
@ -134,6 +139,15 @@ static inline int omap4_twl_init(void)
}
#endif
#if IS_ENABLED(CONFIG_MFD_CPCAP)
extern int omap4_cpcap_init(void);
#else
static inline int omap4_cpcap_init(void)
{
return -EINVAL;
}
#endif
#ifdef CONFIG_PM
extern void omap_pm_setup_oscillator(u32 tstart, u32 tshut);
extern void omap_pm_get_oscillator(u32 *tstart, u32 *tshut);

13
arch/arm/mach-omap2/pm44xx.c
View File

@ -128,18 +128,9 @@ static int __init pwrdms_setup(struct powerdomain *pwrdm, void *unused)
return 0;
}
/*
* Bootloader or kexec boot may have LOGICRETSTATE cleared
* for some domains. This is the case when kexec booting from
* Android kernels that support off mode for example.
* Make sure it's set at least for core and per, otherwise
* we currently will see lost GPIO interrupts for wlcore and
* smsc911x at least if per hits retention during idle.
*/
if (!strncmp(pwrdm->name, "core", 4) ||
!strncmp(pwrdm->name, "l4per", 5) ||
!strncmp(pwrdm->name, "wkup", 4))
pwrdm_set_logic_retst(pwrdm, PWRDM_POWER_RET);
!strncmp(pwrdm->name, "l4per", 5))
pwrdm_set_logic_retst(pwrdm, PWRDM_POWER_OFF);
pwrst = kmalloc(sizeof(struct power_state), GFP_ATOMIC);
if (!pwrst)

271
arch/arm/mach-omap2/pmic-cpcap.c Normal file
View File

@ -0,0 +1,271 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
* pmic-cpcap.c - CPCAP-specific functions for the OPP code
*
* Adapted from Motorola Mapphone Android Linux kernel
* Copyright (C) 2011 Motorola, Inc.
*/
#include <linux/err.h>
#include <linux/io.h>
#include <linux/kernel.h>
#include "soc.h"
#include "pm.h"
#include "voltage.h"
#include <linux/init.h>
#include "vc.h"
/**
* omap_cpcap_vsel_to_vdc - convert CPCAP VSEL value to microvolts DC
* @vsel: CPCAP VSEL value to convert
*
* Returns the microvolts DC that the CPCAP PMIC should generate when
* programmed with @vsel.
*/
static unsigned long omap_cpcap_vsel_to_uv(unsigned char vsel)
{
if (vsel > 0x44)
vsel = 0x44;
return (((vsel * 125) + 6000)) * 100;
}
/**
* omap_cpcap_uv_to_vsel - convert microvolts DC to CPCAP VSEL value
* @uv: microvolts DC to convert
*
* Returns the VSEL value necessary for the CPCAP PMIC to
* generate an output voltage equal to or greater than @uv microvolts DC.
*/
static unsigned char omap_cpcap_uv_to_vsel(unsigned long uv)
{
if (uv < 600000)
uv = 600000;
else if (uv > 1450000)
uv = 1450000;
return DIV_ROUND_UP(uv - 600000, 12500);
}
static struct omap_voltdm_pmic omap_cpcap_core = {
.slew_rate = 4000,
.step_size = 12500,
.vp_erroroffset = OMAP4_VP_CONFIG_ERROROFFSET,
.vp_vstepmin = OMAP4_VP_VSTEPMIN_VSTEPMIN,
.vp_vstepmax = OMAP4_VP_VSTEPMAX_VSTEPMAX,
.vddmin = 900000,
.vddmax = 1350000,
.vp_timeout_us = OMAP4_VP_VLIMITTO_TIMEOUT_US,
.i2c_slave_addr = 0x02,
.volt_reg_addr = 0x00,
.cmd_reg_addr = 0x01,
.i2c_high_speed = false,
.vsel_to_uv = omap_cpcap_vsel_to_uv,
.uv_to_vsel = omap_cpcap_uv_to_vsel,
};
static struct omap_voltdm_pmic omap_cpcap_iva = {
.slew_rate = 4000,
.step_size = 12500,
.vp_erroroffset = OMAP4_VP_CONFIG_ERROROFFSET,
.vp_vstepmin = OMAP4_VP_VSTEPMIN_VSTEPMIN,
.vp_vstepmax = OMAP4_VP_VSTEPMAX_VSTEPMAX,
.vddmin = 900000,
.vddmax = 1350000,
.vp_timeout_us = OMAP4_VP_VLIMITTO_TIMEOUT_US,
.i2c_slave_addr = 0x44,
.volt_reg_addr = 0x0,
.cmd_reg_addr = 0x01,
.i2c_high_speed = false,
.vsel_to_uv = omap_cpcap_vsel_to_uv,
.uv_to_vsel = omap_cpcap_uv_to_vsel,
};
/**
* omap_max8952_vsel_to_vdc - convert MAX8952 VSEL value to microvolts DC
* @vsel: MAX8952 VSEL value to convert
*
* Returns the microvolts DC that the MAX8952 Regulator should generate when
* programmed with @vsel.
*/
static unsigned long omap_max8952_vsel_to_uv(unsigned char vsel)
{
if (vsel > 0x3F)
vsel = 0x3F;
return (((vsel * 100) + 7700)) * 100;
}
/**
* omap_max8952_uv_to_vsel - convert microvolts DC to MAX8952 VSEL value
* @uv: microvolts DC to convert
*
* Returns the VSEL value necessary for the MAX8952 Regulator to
* generate an output voltage equal to or greater than @uv microvolts DC.
*/
static unsigned char omap_max8952_uv_to_vsel(unsigned long uv)
{
if (uv < 770000)
uv = 770000;
else if (uv > 1400000)
uv = 1400000;
return DIV_ROUND_UP(uv - 770000, 10000);
}
static struct omap_voltdm_pmic omap443x_max8952_mpu = {
.slew_rate = 16000,
.step_size = 10000,
.vp_erroroffset = OMAP4_VP_CONFIG_ERROROFFSET,
.vp_vstepmin = OMAP4_VP_VSTEPMIN_VSTEPMIN,
.vp_vstepmax = OMAP4_VP_VSTEPMAX_VSTEPMAX,
.vddmin = 900000,
.vddmax = 1400000,
.vp_timeout_us = OMAP4_VP_VLIMITTO_TIMEOUT_US,
.i2c_slave_addr = 0x60,
.volt_reg_addr = 0x03,
.cmd_reg_addr = 0x03,
.i2c_high_speed = false,
.vsel_to_uv = omap_max8952_vsel_to_uv,
.uv_to_vsel = omap_max8952_uv_to_vsel,
};
/**
* omap_fan5355_vsel_to_vdc - convert FAN535503 VSEL value to microvolts DC
* @vsel: FAN535503 VSEL value to convert
*
* Returns the microvolts DC that the FAN535503 Regulator should generate when
* programmed with @vsel.
*/
static unsigned long omap_fan535503_vsel_to_uv(unsigned char vsel)
{
/* Extract bits[5:0] */
vsel &= 0x3F;
return (((vsel * 125) + 7500)) * 100;
}
/**
* omap_fan535508_vsel_to_vdc - convert FAN535508 VSEL value to microvolts DC
* @vsel: FAN535508 VSEL value to convert
*
* Returns the microvolts DC that the FAN535508 Regulator should generate when
* programmed with @vsel.
*/
static unsigned long omap_fan535508_vsel_to_uv(unsigned char vsel)
{
/* Extract bits[5:0] */
vsel &= 0x3F;
if (vsel > 0x37)
vsel = 0x37;
return (((vsel * 125) + 7500)) * 100;
}
/**
* omap_fan535503_uv_to_vsel - convert microvolts DC to FAN535503 VSEL value
* @uv: microvolts DC to convert
*
* Returns the VSEL value necessary for the MAX8952 Regulator to
* generate an output voltage equal to or greater than @uv microvolts DC.
*/
static unsigned char omap_fan535503_uv_to_vsel(unsigned long uv)
{
unsigned char vsel;
if (uv < 750000)
uv = 750000;
else if (uv > 1537500)
uv = 1537500;
vsel = DIV_ROUND_UP(uv - 750000, 12500);
return vsel | 0xC0;
}
/**
* omap_fan535508_uv_to_vsel - convert microvolts DC to FAN535508 VSEL value
* @uv: microvolts DC to convert
*
* Returns the VSEL value necessary for the MAX8952 Regulator to
* generate an output voltage equal to or greater than @uv microvolts DC.
*/
static unsigned char omap_fan535508_uv_to_vsel(unsigned long uv)
{
unsigned char vsel;
if (uv < 750000)
uv = 750000;
else if (uv > 1437500)
uv = 1437500;
vsel = DIV_ROUND_UP(uv - 750000, 12500);
return vsel | 0xC0;
}
/* fan5335-core */
static struct omap_voltdm_pmic omap4_fan_core = {
.slew_rate = 4000,
.step_size = 12500,
.vp_erroroffset = OMAP4_VP_CONFIG_ERROROFFSET,
.vp_vstepmin = OMAP4_VP_VSTEPMIN_VSTEPMIN,
.vp_vstepmax = OMAP4_VP_VSTEPMAX_VSTEPMAX,
.vddmin = 850000,
.vddmax = 1375000,
.vp_timeout_us = OMAP4_VP_VLIMITTO_TIMEOUT_US,
.i2c_slave_addr = 0x4A,
.i2c_high_speed = false,
.volt_reg_addr = 0x01,
.cmd_reg_addr = 0x01,
.vsel_to_uv = omap_fan535508_vsel_to_uv,
.uv_to_vsel = omap_fan535508_uv_to_vsel,
};
/* fan5335 iva */
static struct omap_voltdm_pmic omap4_fan_iva = {
.slew_rate = 4000,
.step_size = 12500,
.vp_erroroffset = OMAP4_VP_CONFIG_ERROROFFSET,
.vp_vstepmin = OMAP4_VP_VSTEPMIN_VSTEPMIN,
.vp_vstepmax = OMAP4_VP_VSTEPMAX_VSTEPMAX,
.vddmin = 850000,
.vddmax = 1375000,
.vp_timeout_us = OMAP4_VP_VLIMITTO_TIMEOUT_US,
.i2c_slave_addr = 0x48,
.volt_reg_addr = 0x01,
.cmd_reg_addr = 0x01,
.i2c_high_speed = false,
.vsel_to_uv = omap_fan535503_vsel_to_uv,
.uv_to_vsel = omap_fan535503_uv_to_vsel,
};
int __init omap4_cpcap_init(void)
{
struct voltagedomain *voltdm;
if (!of_find_compatible_node(NULL, NULL, "motorola,cpcap"))
return -ENODEV;
voltdm = voltdm_lookup("mpu");
omap_voltage_register_pmic(voltdm, &omap443x_max8952_mpu);
if (of_machine_is_compatible("motorola,droid-bionic")) {
voltdm = voltdm_lookup("mpu");
omap_voltage_register_pmic(voltdm, &omap_cpcap_core);
voltdm = voltdm_lookup("mpu");
omap_voltage_register_pmic(voltdm, &omap_cpcap_iva);
} else {
voltdm = voltdm_lookup("core");
omap_voltage_register_pmic(voltdm, &omap4_fan_core);
voltdm = voltdm_lookup("iva");
omap_voltage_register_pmic(voltdm, &omap4_fan_iva);
}
return 0;
}
static int __init cpcap_late_init(void)
{
omap4_vc_set_pmic_signaling(PWRDM_POWER_RET);
return 0;
}
omap_late_initcall(cpcap_late_init);

4
arch/arm/mach-omap2/prm44xx.c
View File

@ -745,7 +745,7 @@ struct pwrdm_ops omap4_pwrdm_operations = {
static int omap44xx_prm_late_init(void);
void prm_save_context(void)
static void prm_save_context(void)
{
omap_prm_context.irq_enable =
omap4_prm_read_inst_reg(AM43XX_PRM_OCP_SOCKET_INST,
@ -756,7 +756,7 @@ void prm_save_context(void)
omap4_prcm_irq_setup.pm_ctrl);
}
void prm_restore_context(void)
static void prm_restore_context(void)
{
omap4_prm_write_inst_reg(omap_prm_context.irq_enable,
OMAP4430_PRM_OCP_SOCKET_INST,

57
arch/arm/mach-omap2/vc.c
View File

@ -26,6 +26,31 @@
#include "scrm44xx.h"
#include "control.h"
#define OMAP4430_VDD_IVA_I2C_DISABLE BIT(14)
#define OMAP4430_VDD_MPU_I2C_DISABLE BIT(13)
#define OMAP4430_VDD_CORE_I2C_DISABLE BIT(12)
#define OMAP4430_VDD_IVA_PRESENCE BIT(9)
#define OMAP4430_VDD_MPU_PRESENCE BIT(8)
#define OMAP4430_AUTO_CTRL_VDD_IVA(x) ((x) << 4)
#define OMAP4430_AUTO_CTRL_VDD_MPU(x) ((x) << 2)
#define OMAP4430_AUTO_CTRL_VDD_CORE(x) ((x) << 0)
#define OMAP4430_AUTO_CTRL_VDD_RET 2
#define OMAP4430_VDD_I2C_DISABLE_MASK \
(OMAP4430_VDD_IVA_I2C_DISABLE | \
OMAP4430_VDD_MPU_I2C_DISABLE | \
OMAP4430_VDD_CORE_I2C_DISABLE)
#define OMAP4_VDD_DEFAULT_VAL \
(OMAP4430_VDD_I2C_DISABLE_MASK | \
OMAP4430_VDD_IVA_PRESENCE | OMAP4430_VDD_MPU_PRESENCE | \
OMAP4430_AUTO_CTRL_VDD_IVA(OMAP4430_AUTO_CTRL_VDD_RET) | \
OMAP4430_AUTO_CTRL_VDD_MPU(OMAP4430_AUTO_CTRL_VDD_RET) | \
OMAP4430_AUTO_CTRL_VDD_CORE(OMAP4430_AUTO_CTRL_VDD_RET))
#define OMAP4_VDD_RET_VAL \
(OMAP4_VDD_DEFAULT_VAL & ~OMAP4430_VDD_I2C_DISABLE_MASK)
/**
* struct omap_vc_channel_cfg - describe the cfg_channel bitfield
* @sa: bit for slave address
@ -280,6 +305,26 @@ void omap3_vc_set_pmic_signaling(int core_next_state)
}
}
void omap4_vc_set_pmic_signaling(int core_next_state)
{
struct voltagedomain *vd = vc.vd;
u32 val;
if (!vd)
return;
switch (core_next_state) {
case PWRDM_POWER_RET:
val = OMAP4_VDD_RET_VAL;
break;
default:
val = OMAP4_VDD_DEFAULT_VAL;
break;
}
vd->write(val, OMAP4_PRM_VOLTCTRL_OFFSET);
}
/*
* Configure signal polarity for sys_clkreq and sys_off_mode pins
* as the default values are wrong and can cause the system to hang
@ -542,9 +587,19 @@ static void omap4_set_timings(struct voltagedomain *voltdm, bool off_mode)
writel_relaxed(val, OMAP4_SCRM_CLKSETUPTIME);
}
static void __init omap4_vc_init_pmic_signaling(struct voltagedomain *voltdm)
{
if (vc.vd)
return;
vc.vd = voltdm;
voltdm->write(OMAP4_VDD_DEFAULT_VAL, OMAP4_PRM_VOLTCTRL_OFFSET);
}
/* OMAP4 specific voltage init functions */
static void __init omap4_vc_init_channel(struct voltagedomain *voltdm)
{
omap4_vc_init_pmic_signaling(voltdm);
omap4_set_timings(voltdm, true);
omap4_set_timings(voltdm, false);
}
@ -615,7 +670,7 @@ static void __init omap4_vc_i2c_timing_init(struct voltagedomain *voltdm)
const struct i2c_init_data *i2c_data;
if (!voltdm->pmic->i2c_high_speed) {
pr_warn("%s: only high speed supported!\n", __func__);
pr_info("%s: using bootloader low-speed timings\n", __func__);
return;
}

2
arch/arm/mach-omap2/vc.h
View File

@ -117,7 +117,7 @@ extern struct omap_vc_param omap4_iva_vc_data;
extern struct omap_vc_param omap4_core_vc_data;
void omap3_vc_set_pmic_signaling(int core_next_state);
void omap4_vc_set_pmic_signaling(int core_next_state);
void omap_vc_init_channel(struct voltagedomain *voltdm);
int omap_vc_pre_scale(struct voltagedomain *voltdm,