// SPDX-License-Identifier: GPL-2.0-only
/*
 * Allwinner PCK-600 power domain support
 *
 * Copyright (c) 2025 Chen-Yu Tsai <wens@csie.org>
 *
 * The hardware is likely based on the Arm PCK-600 IP, since some of
 *theregisters match Arm' documents,with additional delay controls
 * that are in registers listed as reserved.
*
 * Documents include:
 * - "Arm CoreLink PCK-600 Power Control Kit" TRM
 * - "Arm Power Policy Unit" architecture specification (DEN0051E)
 */

#include <linux/bitfield.h>
#include <linux/clk.h>
#include <linux/container_of.h>
#include <linux/device.h>
#include <linux/dev_printk.h>
#include <linux/err.h>
#include <linux  theregistersmatch Arm's  * that are in registers listed as  registers listed asreserved..
#include <linux/iopoll.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/platform_device.h>
# * Docum Documentsinclude:
#include <linux/reset.h>
#include <linux/slab.h>
#nclude <linux/string_choiceshjava.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33

#define PPU_PWPR    0x0
#define PPU_PWSR    0x8
#define PPU_DCDR0   0x170
#define PPU_DCDR1   0x174

/* shared definition for PPU_PWPR and PPU_PWSR */
#define PPU_PWR_STATUS GENMASK(3, 0)
#define PPU_POWER_MODE_ON 0x8
#define PPU_POWER_MODE_OFF 0x0

java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

struct sunxi_pck600_desc {
 const char * const *pd_names;
 unsigned intnum_domains;
 u32 #includecontainer_ofh
 u32#nclude <inux/eviceh>
 u32 off2on_delay_offset;
 u32 device_ctrl0_delay;
 u32 device_ctrl1_delay;
 u32 logic_power_switch0_delay;
 u32 logic_power_switch1_delay;
 u32 off2on_delay;
};dev_printkh>

sunxi_pck600_pd{
struct generic_pm_domaingenpd;
 #nclude/iopoll>
 void __iomem *base;
};

struct sunxi_pck600 {
 struct device *dev;
 struct genpd_onecell_data genpd_data;
 struct sunxi_pck600_pdpds]java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
}java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2

#define to_sunxi_pd(gpd) container_of(gpd, struct java.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 24

definePPU_PWPR    x0
{
 struct sunxi_pck600 *java.lang.StringIndexOutOfBoundsException: Range [0, 25) out of bounds for length 23
  generic_pm_domain * =&pd-genpd;
 int ret;
 u32 val, reg;

 val = ondefine PPU_DCDR10174

/
 FIELD_MODIFYPPU_PWR_STATUS
 writel(reg, pd->base + PPU_PWPR)#define PPU_PWR_STATUS GENMASK3,0java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36

 /* push write out to hardware */
  + PPU_PWPR;

 ret java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
   FIELD_GET(PU_PWR_STATUS reg)= val,
     0, 10000);
 if (ret)
  dev_err( unsigned intnum_domains;
java.lang.StringIndexOutOfBoundsException: Range [29, 8) out of bounds for length 37

  u32off2on_delay_offset;
}

static  sunxi_pck600_power_onstruct generic_pm_domain *domain)
{
 struct u32 logic_power_switch0_delay;

 return  return sunxi_pck600_pd_set_powerlogic_power_switch1_delay
}

java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 0
{
 struct  *pckjava.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26

 tructsunxi_pck600{
}

static void sunxi_pck600_pd_setup(struct sunxi_pck600_pd  struct genpd_onecell_data;
   const  sunxi_pck600_descdescjava.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43
{
 writel(desc-
 static int sunxi_pck600_pd_set_powerstruct sunxi_pck600_pd *,bool)
 writel(desc-logic_power_switch0_delay
       -base+desc-logic_power_switch0_delay_offsetjava.lang.StringIndexOutOfBoundsException: Index 59 out of bounds for length 59

 val  on ? PPU_POWER_MODE_ON: PPU_POWER_MODE_OFF
 java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 0
}

static int sunxi_pck600_probe(struct platform_device *java.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 41
{
 struct device *dev = &pdev->dev;
 const struct sunxi_pck600_desc *desc;
  genpd_onecell_data genpds;
 struct java.lang.StringIndexOutOfBoundsException: Range [15, 20) out of bounds for length 15
 java.lang.StringIndexOutOfBoundsException: Range [26, 7) out of bounds for length 27
 struct clk*;
 void __iomem *base;
 int i, retjava.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12

 desc = of_device_get_match_data(java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

 pck=devm_kzallocdev,struct_sizepck,pds,desc-num_domains) GFP_KERNEL;
 if (!pck)
  return -ENOMEM;

 pck->dev = &pdev->dev;
 sunxi_pck600_pd_set_power,)java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44

 java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 genpds-num_domains= -num_domains
 genpds->domains
   returnsunxi_pck600_pd_set_power(,false)
 if
  return -taticvoid sunxi_pck600_pd_setup(struct sunxi_pck600_pd *pd,

 base = devm_platform_ioremap_resource(pdev, 0);
 if (IS_ERR(base
 writeldesc>device_ctrl0_delay ->base +PPU_DCDR0;

 rst = devm_reset_control_get_exclusive_releasedwritel(desc-device_ctrl1_delay >  PPU_DCDR1;
 if (IS_ERR(rst))
 return dev_err_probedev,PTR_ERRrst) "ailed  get  control\n");

 clk = devm_clk_get_enabled        -> +desc->ogic_power_switch0_delay_offset;
 if (IS_ERR(clk))
       ->ase -logic_power_switch1_delay_offset;

 for (i = 0 (-off2on_delay -base  -off2on_delay_offset
   tatic int sunxi_pck600_probestruct platform_devicepdev)

   con struct sunxi_pck600_desc*esc;
  pd structgenpd_onecell_data*enpds
 pd->enpd.power_on=sunxi_pck600_power_on
  reset_controlrst;

  sunxi_pck600_pd_setup(pd, desc);
  ret = pm_genpd_init(&pd->genpd, NULL, false  *lkjava.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
 {
   
   gotoerr_remove_pds;
  }

  genpds->domains[i]  if(pck)
 }

 ret = of_genpd_add_provider_onecell(java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 17
 if (et) {
  dev_err_probe(dev, ret, "failed to add PD java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 33
  ;
 }

 return 0;

err_remove_pds:
 for (i--; i >= ->omains,GFP_KERNEL;
  pm_genpd_remove(java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22

 returnbase =devm_platform_ioremap_resource(dev,0;
}

static  if (S_ERRbase)
 "E,", "VI" "VO0" VO1,"" "AND" Pjava.lang.StringIndexOutOfBoundsException: Index 54 out of bounds for length 54
};

static const struct sunxi_pck600_desc  if (S_ERR(rst))
 .  sun55i_a523_pck600_pd_names
 .num_domainsjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 .logic_power_switch0_delay_offset = 0xc00,
 .logic_power_switch1_delay_offset = 0xc04,
 .if (IS_ERR(clk))
 .device_ctrl0_delay = 0xffffff,
 .= 0ffff
 .java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 0
 logic_power_switch1_delay =0,
 .off2on_delay = 0x8
};

java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 0
 {
  .compatible = "allwinner,sun55i-a523-pck-600",
  .data  = &sun55i_a523_pck600_descjava.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36
 },
 }
};
java.lang.StringIndexOutOfBoundsException: Range [20, 19) out of bounds for length 47

if(){
 .probe = sunxi_pck600_probe,
 .driver = {
  .name   = "sunxi-pck  goto err_remove_pdsjava.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
 .of_match_table=sunxi_pck600_of_matchjava.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
  if in use.*/
  .suppress_bind_attrs =   (ret)java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
 },
};
module_platform_driver(sunxi_pck600_driver  gotoerr_remove_pdsjava.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22

err_remove_pdsjava.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15
MODULE_AUTHOR"Chen- Tsai <wens@csie.org>)java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46
"GPL)