Commit e096d3ad authored by Inochi Amaoto's avatar Inochi Amaoto Committed by Linus Walleij
Browse files

pinctrl: sophgo: introduce generic data structure for cv18xx pinctrl driver 



To share DT parsing and vddio code, it is necessary to introduce
some generic data structure to abstract the different cv18xx series
and the incoming sg2042 series.

Signed-off-by: default avatarInochi Amaoto <inochiama@gmail.com>
Link: https://lore.kernel.org/20250211051801.470800-3-inochiama@gmail.com


Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent ef1a5121

drivers/pinctrl/sophgo/pinctrl-cv1800b.c

+13 −8
Original line number Diff line number Diff line
@@ -34,8 +34,9 @@ static const char *const cv1800b_power_domain_desc[] = { 
	[VDDIO_SD0_SPI]			= "VDDIO_SD0_SPI",

};



static int cv1800b_get_pull_up(struct cv1800_pin *pin, const u32 *psmap)

static int cv1800b_get_pull_up(const struct sophgo_pin *sp, const u32 *psmap)

{

	const struct cv1800_pin *pin = sophgo_to_cv1800_pin(sp);

	u32 pstate = psmap[pin->power_domain];

	enum cv1800_pin_io_type type = cv1800_pin_io_type(pin);
@@ -54,8 +55,9 @@ static int cv1800b_get_pull_up(struct cv1800_pin *pin, const u32 *psmap) 
	return -ENOTSUPP;

}



static int cv1800b_get_pull_down(struct cv1800_pin *pin, const u32 *psmap)

static int cv1800b_get_pull_down(const struct sophgo_pin *sp, const u32 *psmap)

{

	const struct cv1800_pin *pin = sophgo_to_cv1800_pin(sp);

	u32 pstate = psmap[pin->power_domain];

	enum cv1800_pin_io_type type = cv1800_pin_io_type(pin);
@@ -108,9 +110,10 @@ static const u32 cv1800b_eth_oc_map[] = { 
	17800

};



static int cv1800b_get_oc_map(struct cv1800_pin *pin, const u32 *psmap,

static int cv1800b_get_oc_map(const struct sophgo_pin *sp, const u32 *psmap,

			      const u32 **map)

{

	const struct cv1800_pin *pin = sophgo_to_cv1800_pin(sp);

	enum cv1800_pin_io_type type = cv1800_pin_io_type(pin);

	u32 pstate = psmap[pin->power_domain];
@@ -153,9 +156,10 @@ static const u32 cv1800b_18od33_3v3_schmitt_map[] = { 
	1100000

};



static int cv1800b_get_schmitt_map(struct cv1800_pin *pin, const u32 *psmap,

static int cv1800b_get_schmitt_map(const struct sophgo_pin *sp, const u32 *psmap,

				   const u32 **map)

{

	const struct cv1800_pin *pin = sophgo_to_cv1800_pin(sp);

	enum cv1800_pin_io_type type = cv1800_pin_io_type(pin);

	u32 pstate = psmap[pin->power_domain];
@@ -177,7 +181,7 @@ static int cv1800b_get_schmitt_map(struct cv1800_pin *pin, const u32 *psmap, 
	return -ENOTSUPP;

}



static const struct cv1800_vddio_cfg_ops cv1800b_vddio_cfg_ops = {

static const struct sophgo_vddio_cfg_ops cv1800b_vddio_cfg_ops = {

	.get_pull_up		= cv1800b_get_pull_up,

	.get_pull_down		= cv1800b_get_pull_down,

	.get_oc_map		= cv1800b_get_oc_map,
@@ -433,13 +437,14 @@ static const struct cv1800_pin cv1800b_pin_data[ARRAY_SIZE(cv1800b_pins)] = { 
			CV1800_PINCONF_AREA_SYS, 0x120, 5),

};



static const struct cv1800_pinctrl_data cv1800b_pindata = {

static const struct sophgo_pinctrl_data cv1800b_pindata = {

	.pins		= cv1800b_pins,

	.pindata	= cv1800b_pin_data,

	.pdnames	= cv1800b_power_domain_desc,

	.vddio_ops	= &cv1800b_vddio_cfg_ops,

	.npins		= ARRAY_SIZE(cv1800b_pins),

	.npd		= ARRAY_SIZE(cv1800b_power_domain_desc),

	.npds		= ARRAY_SIZE(cv1800b_power_domain_desc),

	.pinsize	= sizeof(struct cv1800_pin),

};



static const struct of_device_id cv1800b_pinctrl_ids[] = {

drivers/pinctrl/sophgo/pinctrl-cv1812h.c

+13 −8
Original line number Diff line number Diff line
@@ -40,8 +40,9 @@ static const char *const cv1812h_power_domain_desc[] = { 
	[VDDIO_VIVO]		= "VDDIO_VIVO",

};



static int cv1812h_get_pull_up(struct cv1800_pin *pin, const u32 *psmap)

static int cv1812h_get_pull_up(const struct sophgo_pin *sp, const u32 *psmap)

{

	const struct cv1800_pin *pin = sophgo_to_cv1800_pin(sp);

	u32 pstate = psmap[pin->power_domain];

	enum cv1800_pin_io_type type = cv1800_pin_io_type(pin);
@@ -60,8 +61,9 @@ static int cv1812h_get_pull_up(struct cv1800_pin *pin, const u32 *psmap) 
	return -ENOTSUPP;

}



static int cv1812h_get_pull_down(struct cv1800_pin *pin, const u32 *psmap)

static int cv1812h_get_pull_down(const struct sophgo_pin *sp, const u32 *psmap)

{

	const struct cv1800_pin *pin = sophgo_to_cv1800_pin(sp);

	u32 pstate = psmap[pin->power_domain];

	enum cv1800_pin_io_type type = cv1800_pin_io_type(pin);
@@ -114,9 +116,10 @@ static const u32 cv1812h_eth_oc_map[] = { 
	17800

};



static int cv1812h_get_oc_map(struct cv1800_pin *pin, const u32 *psmap,

static int cv1812h_get_oc_map(const struct sophgo_pin *sp, const u32 *psmap,

			      const u32 **map)

{

	const struct cv1800_pin *pin = sophgo_to_cv1800_pin(sp);

	enum cv1800_pin_io_type type = cv1800_pin_io_type(pin);

	u32 pstate = psmap[pin->power_domain];
@@ -159,9 +162,10 @@ static const u32 cv1812h_18od33_3v3_schmitt_map[] = { 
	1100000

};



static int cv1812h_get_schmitt_map(struct cv1800_pin *pin, const u32 *psmap,

static int cv1812h_get_schmitt_map(const struct sophgo_pin *sp, const u32 *psmap,

				   const u32 **map)

{

	const struct cv1800_pin *pin = sophgo_to_cv1800_pin(sp);

	enum cv1800_pin_io_type type = cv1800_pin_io_type(pin);

	u32 pstate = psmap[pin->power_domain];
@@ -183,7 +187,7 @@ static int cv1812h_get_schmitt_map(struct cv1800_pin *pin, const u32 *psmap, 
	return -ENOTSUPP;

}



static const struct cv1800_vddio_cfg_ops cv1812h_vddio_cfg_ops = {

static const struct sophgo_vddio_cfg_ops cv1812h_vddio_cfg_ops = {

	.get_pull_up		= cv1812h_get_pull_up,

	.get_pull_down		= cv1812h_get_pull_down,

	.get_oc_map		= cv1812h_get_oc_map,
@@ -742,13 +746,14 @@ static const struct cv1800_pin cv1812h_pin_data[ARRAY_SIZE(cv1812h_pins)] = { 
			   CV1800_PINCONF_AREA_RTC, 0x028),

};



static const struct cv1800_pinctrl_data cv1812h_pindata = {

static const struct sophgo_pinctrl_data cv1812h_pindata = {

	.pins		= cv1812h_pins,

	.pindata	= cv1812h_pin_data,

	.pdnames	= cv1812h_power_domain_desc,

	.vddio_ops	= &cv1812h_vddio_cfg_ops,

	.npins		= ARRAY_SIZE(cv1812h_pins),

	.npd		= ARRAY_SIZE(cv1812h_power_domain_desc),

	.npds		= ARRAY_SIZE(cv1812h_power_domain_desc),

	.pinsize	= sizeof(struct cv1800_pin),

};



static const struct of_device_id cv1812h_pinctrl_ids[] = {

drivers/pinctrl/sophgo/pinctrl-cv18xx.c

+131 −112
Original line number Diff line number Diff line
@@ -24,30 +24,16 @@ 


#include <dt-bindings/pinctrl/pinctrl-cv18xx.h>



#include "../core.h"

#include "../pinctrl-utils.h"

#include "../pinconf.h"

#include "../pinmux.h"

#include "pinctrl-cv18xx.h"



struct cv1800_pinctrl {

	struct device				*dev;

	struct pinctrl_dev			*pctl_dev;

	const struct cv1800_pinctrl_data	*data;

	struct pinctrl_desc			pdesc;

struct cv1800_priv {

	u32					*power_cfg;



	struct mutex				mutex;

	raw_spinlock_t				lock;



	void __iomem				*regs[2];

};



struct cv1800_pin_mux_config {

	struct cv1800_pin	*pin;

	u32			config;

};



static unsigned int cv1800_dt_get_pin(u32 value)

{

	return value & GENMASK(15, 0);
@@ -68,38 +54,42 @@ static unsigned int cv1800_dt_get_pin_mux2(u32 value) 


static int cv1800_cmp_pin(const void *key, const void *pivot)

{

	const struct cv1800_pin *pin = pivot;

	const struct sophgo_pin *pin = pivot;

	int pin_id = (long)key;

	int pivid = pin->pin;

	int pivid = pin->id;



	return pin_id - pivid;

}



static int cv1800_set_power_cfg(struct cv1800_pinctrl *pctrl,

static int cv1800_set_power_cfg(struct sophgo_pinctrl *pctrl,

				u8 domain, u32 cfg)

{

	if (domain >= pctrl->data->npd)

	struct cv1800_priv *priv = pctrl->priv_ctrl;



	if (domain >= pctrl->data->npds)

		return -ENOTSUPP;



	if (pctrl->power_cfg[domain] && pctrl->power_cfg[domain] != cfg)

	if (priv->power_cfg[domain] && priv->power_cfg[domain] != cfg)

		return -EINVAL;



	pctrl->power_cfg[domain] = cfg;

	priv->power_cfg[domain] = cfg;



	return 0;

}



static int cv1800_get_power_cfg(struct cv1800_pinctrl *pctrl,

static int cv1800_get_power_cfg(struct sophgo_pinctrl *pctrl,

				u8 domain)

{

	return pctrl->power_cfg[domain];

	struct cv1800_priv *priv = pctrl->priv_ctrl;



	return priv->power_cfg[domain];

}



static struct cv1800_pin *cv1800_get_pin(struct cv1800_pinctrl *pctrl,

static const struct sophgo_pin *cv1800_get_pin(struct sophgo_pinctrl *pctrl,

					       unsigned long pin)

{

	return bsearch((void *)pin, pctrl->data->pindata, pctrl->data->npins,

		       sizeof(struct cv1800_pin), cv1800_cmp_pin);

		       pctrl->data->pinsize, cv1800_cmp_pin);

}



#define PIN_BGA_ID_OFFSET		8
@@ -112,7 +102,7 @@ static const char *const io_type_desc[] = { 
	"ETH"

};



static const char *cv1800_get_power_cfg_desc(struct cv1800_pinctrl *pctrl,

static const char *cv1800_get_power_cfg_desc(struct sophgo_pinctrl *pctrl,

					     u8 domain)

{

	return pctrl->data->pdnames[domain];
@@ -121,53 +111,57 @@ static const char *cv1800_get_power_cfg_desc(struct cv1800_pinctrl *pctrl, 
static void cv1800_pctrl_dbg_show(struct pinctrl_dev *pctldev,

				  struct seq_file *seq, unsigned int pin_id)

{

	struct cv1800_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev);

	struct cv1800_pin *pin = cv1800_get_pin(pctrl, pin_id);

	struct sophgo_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev);

	struct cv1800_priv *priv = pctrl->priv_ctrl;

	const struct sophgo_pin *sp = cv1800_get_pin(pctrl, pin_id);

	const struct cv1800_pin *pin = sophgo_to_cv1800_pin(sp);

	enum cv1800_pin_io_type type = cv1800_pin_io_type(pin);

	u32 pin_hwid = pin->pin.id;

	u32 value;

	void __iomem *reg;



	if (pin->pin >> PIN_BGA_ID_OFFSET)

	if (pin_hwid >> PIN_BGA_ID_OFFSET)

		seq_printf(seq, "pos: %c%u ",

			   'A' + (pin->pin >> PIN_BGA_ID_OFFSET) - 1,

			   pin->pin & PIN_BGA_ID_MASK);

			   'A' + (pin_hwid >> PIN_BGA_ID_OFFSET) - 1,

			   pin_hwid & PIN_BGA_ID_MASK);

	else

		seq_printf(seq, "pos: %u ", pin->pin);

		seq_printf(seq, "pos: %u ", pin_hwid);



	seq_printf(seq, "power-domain: %s ",

		   cv1800_get_power_cfg_desc(pctrl, pin->power_domain));

	seq_printf(seq, "type: %s ", io_type_desc[type]);



	reg = cv1800_pinctrl_get_component_addr(pctrl, &pin->mux);

	reg = cv1800_pinctrl_get_component_addr(priv, &pin->mux);

	value = readl(reg);

	seq_printf(seq, "mux: 0x%08x ", value);



	if (pin->flags & CV1800_PIN_HAVE_MUX2) {

		reg = cv1800_pinctrl_get_component_addr(pctrl, &pin->mux2);

	if (pin->pin.flags & CV1800_PIN_HAVE_MUX2) {

		reg = cv1800_pinctrl_get_component_addr(priv, &pin->mux2);

		value = readl(reg);

		seq_printf(seq, "mux2: 0x%08x ", value);

	}



	if (type == IO_TYPE_1V8_ONLY || type == IO_TYPE_1V8_OR_3V3) {

		reg = cv1800_pinctrl_get_component_addr(pctrl, &pin->conf);

		reg = cv1800_pinctrl_get_component_addr(priv, &pin->conf);

		value = readl(reg);

		seq_printf(seq, "conf: 0x%08x ", value);

	}

}



static int cv1800_verify_pinmux_config(const struct cv1800_pin_mux_config *config)

static int cv1800_verify_pinmux_config(const struct sophgo_pin_mux_config *config)

{

	struct cv1800_pin *pin = sophgo_to_cv1800_pin(config->pin);

	unsigned int mux = cv1800_dt_get_pin_mux(config->config);

	unsigned int mux2 = cv1800_dt_get_pin_mux2(config->config);



	if (mux > config->pin->mux.max)

	if (mux > pin->mux.max)

		return -EINVAL;



	if (config->pin->flags & CV1800_PIN_HAVE_MUX2) {

		if (mux != config->pin->mux2.pfunc)

	if (pin->pin.flags & CV1800_PIN_HAVE_MUX2) {

		if (mux != pin->mux2.pfunc)

			return -EINVAL;



		if (mux2 > config->pin->mux2.max)

		if (mux2 > pin->mux2.max)

			return -EINVAL;

	} else {

		if (mux2 != PIN_MUX_INVALD)
@@ -177,9 +171,10 @@ static int cv1800_verify_pinmux_config(const struct cv1800_pin_mux_config *confi 
	return 0;

}



static int cv1800_verify_pin_group(const struct cv1800_pin_mux_config *mux,

static int cv1800_verify_pin_group(const struct sophgo_pin_mux_config *mux,

				   unsigned long npins)

{

	struct cv1800_pin *pin;

	enum cv1800_pin_io_type type;

	u8 power_domain;

	int i;
@@ -187,12 +182,15 @@ static int cv1800_verify_pin_group(const struct cv1800_pin_mux_config *mux, 
	if (npins == 1)

		return 0;



	type = cv1800_pin_io_type(mux[0].pin);

	power_domain = mux[0].pin->power_domain;

	pin = sophgo_to_cv1800_pin(mux[0].pin);

	type = cv1800_pin_io_type(pin);

	power_domain = pin->power_domain;



	for (i = 0; i < npins; i++) {

		if (type != cv1800_pin_io_type(mux[i].pin) ||

		    power_domain != mux[i].pin->power_domain)

		pin = sophgo_to_cv1800_pin(mux[i].pin);



		if (type != cv1800_pin_io_type(pin) ||

		    power_domain != pin->power_domain)

			return -ENOTSUPP;

	}
@@ -204,7 +202,7 @@ static int cv1800_pctrl_dt_node_to_map(struct pinctrl_dev *pctldev, 
				       struct pinctrl_map **maps,

				       unsigned int *num_maps)

{

	struct cv1800_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev);

	struct sophgo_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev);

	struct device *dev = pctrl->dev;

	struct device_node *child;

	struct pinctrl_map *map;
@@ -230,7 +228,8 @@ static int cv1800_pctrl_dt_node_to_map(struct pinctrl_dev *pctldev, 
	for_each_available_child_of_node(np, child) {

		int npins = of_property_count_u32_elems(child, "pinmux");

		unsigned int *pins;

		struct cv1800_pin_mux_config *pinmuxs;

		struct sophgo_pin_mux_config *pinmuxs;

		struct cv1800_pin *pin;

		u32 config, power;

		int i;
@@ -303,8 +302,8 @@ static int cv1800_pctrl_dt_node_to_map(struct pinctrl_dev *pctldev, 
			goto dt_failed;

		}



		ret = cv1800_set_power_cfg(pctrl, pinmuxs[0].pin->power_domain,

					   power);

		pin = sophgo_to_cv1800_pin(pinmuxs[0].pin);

		ret = cv1800_set_power_cfg(pctrl, pin->power_domain, power);

		if (ret)

			goto dt_failed;
@@ -371,9 +370,10 @@ static const struct pinctrl_ops cv1800_pctrl_ops = { 
static int cv1800_pmx_set_mux(struct pinctrl_dev *pctldev,

			      unsigned int fsel, unsigned int gsel)

{

	struct cv1800_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev);

	struct sophgo_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev);

	struct cv1800_priv *priv = pctrl->priv_ctrl;

	const struct group_desc *group;

	const struct cv1800_pin_mux_config *configs;

	const struct sophgo_pin_mux_config *configs;

	unsigned int i;



	group = pinctrl_generic_get_group(pctldev, gsel);
@@ -383,7 +383,7 @@ static int cv1800_pmx_set_mux(struct pinctrl_dev *pctldev, 
	configs = group->data;



	for (i = 0; i < group->grp.npins; i++) {

		const struct cv1800_pin *pin = configs[i].pin;

		const struct cv1800_pin *pin = sophgo_to_cv1800_pin(configs[i].pin);

		u32 value = configs[i].config;

		void __iomem *reg_mux;

		void __iomem *reg_mux2;
@@ -391,8 +391,8 @@ static int cv1800_pmx_set_mux(struct pinctrl_dev *pctldev, 
		u32 mux;

		u32 mux2;



		reg_mux = cv1800_pinctrl_get_component_addr(pctrl, &pin->mux);

		reg_mux2 = cv1800_pinctrl_get_component_addr(pctrl, &pin->mux2);

		reg_mux = cv1800_pinctrl_get_component_addr(priv, &pin->mux);

		reg_mux2 = cv1800_pinctrl_get_component_addr(priv, &pin->mux2);

		mux = cv1800_dt_get_pin_mux(value);

		mux2 = cv1800_dt_get_pin_mux2(value);
@@ -421,25 +421,28 @@ static const struct pinmux_ops cv1800_pmx_ops = { 
#define PIN_IO_BUS_HOLD		BIT(10)

#define PIN_IO_OUT_FAST_SLEW	BIT(11)



static u32 cv1800_pull_down_typical_resistor(struct cv1800_pinctrl *pctrl,

					     struct cv1800_pin *pin)

static u32 cv1800_pull_down_typical_resistor(struct sophgo_pinctrl *pctrl,

					     const struct sophgo_pin *pin,

					     const u32 *power_cfg)

{

	return pctrl->data->vddio_ops->get_pull_down(pin, pctrl->power_cfg);

	return pctrl->data->vddio_ops->get_pull_down(pin, power_cfg);

}



static u32 cv1800_pull_up_typical_resistor(struct cv1800_pinctrl *pctrl,

					   struct cv1800_pin *pin)

static u32 cv1800_pull_up_typical_resistor(struct sophgo_pinctrl *pctrl,

					   const struct sophgo_pin *pin,

					   const u32 *power_cfg)

{

	return pctrl->data->vddio_ops->get_pull_up(pin, pctrl->power_cfg);

	return pctrl->data->vddio_ops->get_pull_up(pin, power_cfg);

}



static int cv1800_pinctrl_oc2reg(struct cv1800_pinctrl *pctrl,

				 struct cv1800_pin *pin, u32 target)

static int cv1800_pinctrl_oc2reg(struct sophgo_pinctrl *pctrl,

				 const struct sophgo_pin *pin,

				 const u32 *power_cfg, u32 target)

{

	const u32 *map;

	int i, len;



	len = pctrl->data->vddio_ops->get_oc_map(pin, pctrl->power_cfg, &map);

	len = pctrl->data->vddio_ops->get_oc_map(pin, power_cfg, &map);

	if (len < 0)

		return len;
@@ -451,13 +454,14 @@ static int cv1800_pinctrl_oc2reg(struct cv1800_pinctrl *pctrl, 
	return -EINVAL;

}



static int cv1800_pinctrl_reg2oc(struct cv1800_pinctrl *pctrl,

				 struct cv1800_pin *pin, u32 reg)

static int cv1800_pinctrl_reg2oc(struct sophgo_pinctrl *pctrl,

				 const struct sophgo_pin *pin,

				 const u32 *power_cfg, u32 reg)

{

	const u32 *map;

	int len;



	len = pctrl->data->vddio_ops->get_oc_map(pin, pctrl->power_cfg, &map);

	len = pctrl->data->vddio_ops->get_oc_map(pin, power_cfg, &map);

	if (len < 0)

		return len;
@@ -467,14 +471,14 @@ static int cv1800_pinctrl_reg2oc(struct cv1800_pinctrl *pctrl, 
	return map[reg];

}



static int cv1800_pinctrl_schmitt2reg(struct cv1800_pinctrl *pctrl,

				      struct cv1800_pin *pin, u32 target)

static int cv1800_pinctrl_schmitt2reg(struct sophgo_pinctrl *pctrl,

				      const struct sophgo_pin *pin,

				      const u32 *power_cfg, u32 target)

{

	const u32 *map;

	int i, len;



	len = pctrl->data->vddio_ops->get_schmitt_map(pin, pctrl->power_cfg,

						      &map);

	len = pctrl->data->vddio_ops->get_schmitt_map(pin, power_cfg, &map);

	if (len < 0)

		return len;
@@ -486,14 +490,14 @@ static int cv1800_pinctrl_schmitt2reg(struct cv1800_pinctrl *pctrl, 
	return -EINVAL;

}



static int cv1800_pinctrl_reg2schmitt(struct cv1800_pinctrl *pctrl,

				      struct cv1800_pin *pin, u32 reg)

static int cv1800_pinctrl_reg2schmitt(struct sophgo_pinctrl *pctrl,

				      const struct sophgo_pin *pin,

				      const u32 *power_cfg, u32 reg)

{

	const u32 *map;

	int len;



	len = pctrl->data->vddio_ops->get_schmitt_map(pin, pctrl->power_cfg,

						      &map);

	len = pctrl->data->vddio_ops->get_schmitt_map(pin, power_cfg, &map);

	if (len < 0)

		return len;
@@ -506,9 +510,11 @@ static int cv1800_pinctrl_reg2schmitt(struct cv1800_pinctrl *pctrl, 
static int cv1800_pconf_get(struct pinctrl_dev *pctldev,

			    unsigned int pin_id, unsigned long *config)

{

	struct cv1800_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev);

	struct sophgo_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev);

	struct cv1800_priv *priv = pctrl->priv_ctrl;

	int param = pinconf_to_config_param(*config);

	struct cv1800_pin *pin = cv1800_get_pin(pctrl, pin_id);

	const struct sophgo_pin *sp = cv1800_get_pin(pctrl, pin_id);

	const struct cv1800_pin *pin = sophgo_to_cv1800_pin(sp);

	enum cv1800_pin_io_type type;

	u32 value;

	u32 arg;
@@ -522,28 +528,28 @@ static int cv1800_pconf_get(struct pinctrl_dev *pctldev, 
	if (type == IO_TYPE_ETH || type == IO_TYPE_AUDIO)

		return -ENOTSUPP;



	value = readl(cv1800_pinctrl_get_component_addr(pctrl, &pin->conf));

	value = readl(cv1800_pinctrl_get_component_addr(priv, &pin->conf));



	switch (param) {

	case PIN_CONFIG_BIAS_PULL_DOWN:

		enabled = FIELD_GET(PIN_IO_PULLDOWN, value);

		arg = cv1800_pull_down_typical_resistor(pctrl, pin);

		arg = cv1800_pull_down_typical_resistor(pctrl, sp, priv->power_cfg);

		break;

	case PIN_CONFIG_BIAS_PULL_UP:

		enabled = FIELD_GET(PIN_IO_PULLUP, value);

		arg = cv1800_pull_up_typical_resistor(pctrl, pin);

		arg = cv1800_pull_up_typical_resistor(pctrl, sp, priv->power_cfg);

		break;

	case PIN_CONFIG_DRIVE_STRENGTH_UA:

		enabled = true;

		arg = FIELD_GET(PIN_IO_DRIVE, value);

		ret = cv1800_pinctrl_reg2oc(pctrl, pin, arg);

		ret = cv1800_pinctrl_reg2oc(pctrl, sp, priv->power_cfg, arg);

		if (ret < 0)

			return ret;

		arg = ret;

		break;

	case PIN_CONFIG_INPUT_SCHMITT_UV:

		arg = FIELD_GET(PIN_IO_SCHMITT, value);

		ret = cv1800_pinctrl_reg2schmitt(pctrl, pin, arg);

		ret = cv1800_pinctrl_reg2schmitt(pctrl, sp, priv->power_cfg, arg);

		if (ret < 0)

			return ret;

		arg = ret;
@@ -570,12 +576,14 @@ static int cv1800_pconf_get(struct pinctrl_dev *pctldev, 
	return enabled ? 0 : -EINVAL;

}



static int cv1800_pinconf_compute_config(struct cv1800_pinctrl *pctrl,

					 struct cv1800_pin *pin,

static int cv1800_pinconf_compute_config(struct sophgo_pinctrl *pctrl,

					 const struct sophgo_pin *sp,

					 unsigned long *configs,

					 unsigned int num_configs,

					 u32 *value, u32 *mask)

{

	struct cv1800_priv *priv = pctrl->priv_ctrl;

	const struct cv1800_pin *pin = sophgo_to_cv1800_pin(sp);

	int i;

	u32 v = 0, m = 0;

	enum cv1800_pin_io_type type;
@@ -604,7 +612,8 @@ static int cv1800_pinconf_compute_config(struct cv1800_pinctrl *pctrl, 
			m |= PIN_IO_PULLUP;

			break;

		case PIN_CONFIG_DRIVE_STRENGTH_UA:

			ret = cv1800_pinctrl_oc2reg(pctrl, pin, arg);

			ret = cv1800_pinctrl_oc2reg(pctrl, sp,

						    priv->power_cfg, arg);

			if (ret < 0)

				return ret;

			v &= ~PIN_IO_DRIVE;
@@ -612,7 +621,8 @@ static int cv1800_pinconf_compute_config(struct cv1800_pinctrl *pctrl, 
			m |= PIN_IO_DRIVE;

			break;

		case PIN_CONFIG_INPUT_SCHMITT_UV:

			ret = cv1800_pinctrl_schmitt2reg(pctrl, pin, arg);

			ret = cv1800_pinctrl_schmitt2reg(pctrl, sp,

							 priv->power_cfg, arg);

			if (ret < 0)

				return ret;

			v &= ~PIN_IO_SCHMITT;
@@ -643,19 +653,22 @@ static int cv1800_pinconf_compute_config(struct cv1800_pinctrl *pctrl, 
	return 0;

}



static int cv1800_pin_set_config(struct cv1800_pinctrl *pctrl,

static int cv1800_pin_set_config(struct sophgo_pinctrl *pctrl,

				 unsigned int pin_id,

				 u32 value, u32 mask)

{

	struct cv1800_pin *pin = cv1800_get_pin(pctrl, pin_id);

	struct cv1800_priv *priv = pctrl->priv_ctrl;

	const struct sophgo_pin *sp = cv1800_get_pin(pctrl, pin_id);

	struct cv1800_pin *pin;

	unsigned long flags;

	void __iomem *addr;

	u32 reg;



	if (!pin)

	if (!sp)

		return -EINVAL;

	pin = sophgo_to_cv1800_pin(sp);



	addr = cv1800_pinctrl_get_component_addr(pctrl, &pin->conf);

	addr = cv1800_pinctrl_get_component_addr(priv, &pin->conf);



	raw_spin_lock_irqsave(&pctrl->lock, flags);

	reg = readl(addr);
@@ -671,14 +684,14 @@ static int cv1800_pconf_set(struct pinctrl_dev *pctldev, 
			    unsigned int pin_id, unsigned long *configs,

			    unsigned int num_configs)

{

	struct cv1800_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev);

	struct cv1800_pin *pin = cv1800_get_pin(pctrl, pin_id);

	struct sophgo_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev);

	const struct sophgo_pin *sp = cv1800_get_pin(pctrl, pin_id);

	u32 value, mask;



	if (!pin)

		return -ENODEV;

	if (!sp)

		return -EINVAL;



	if (cv1800_pinconf_compute_config(pctrl, pin,

	if (cv1800_pinconf_compute_config(pctrl, sp,

					  configs, num_configs,

					  &value, &mask))

		return -ENOTSUPP;
@@ -691,9 +704,9 @@ static int cv1800_pconf_group_set(struct pinctrl_dev *pctldev, 
				  unsigned long *configs,

				  unsigned int num_configs)

{

	struct cv1800_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev);

	struct sophgo_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev);

	const struct group_desc *group;

	const struct cv1800_pin_mux_config *pinmuxs;

	const struct sophgo_pin_mux_config *pinmuxs;

	u32 value, mask;

	int i;
@@ -724,33 +737,38 @@ static const struct pinconf_ops cv1800_pconf_ops = { 
int cv1800_pinctrl_probe(struct platform_device *pdev)

{

	struct device *dev = &pdev->dev;

	struct cv1800_pinctrl *pctrl;

	const struct cv1800_pinctrl_data *pctrl_data;

	struct sophgo_pinctrl *pctrl;

	struct cv1800_priv *priv;

	const struct sophgo_pinctrl_data *pctrl_data;

	int ret;



	pctrl_data = device_get_match_data(dev);

	if (!pctrl_data)

		return -ENODEV;



	if (pctrl_data->npins == 0 || pctrl_data->npd == 0)

	if (pctrl_data->npins == 0 || pctrl_data->npds == 0)

		return dev_err_probe(dev, -EINVAL, "invalid pin data\n");



	pctrl = devm_kzalloc(dev, sizeof(*pctrl), GFP_KERNEL);

	if (!pctrl)

		return -ENOMEM;



	pctrl->power_cfg = devm_kcalloc(dev, pctrl_data->npd,

	priv = devm_kzalloc(dev, sizeof(struct cv1800_priv), GFP_KERNEL);

	if (!priv)

		return -ENOMEM;



	priv->power_cfg = devm_kcalloc(dev, pctrl_data->npds,

				       sizeof(u32), GFP_KERNEL);

	if (!pctrl->power_cfg)

	if (!priv->power_cfg)

		return -ENOMEM;



	pctrl->regs[0] = devm_platform_ioremap_resource_byname(pdev, "sys");

	if (IS_ERR(pctrl->regs[0]))

		return PTR_ERR(pctrl->regs[0]);

	priv->regs[0] = devm_platform_ioremap_resource_byname(pdev, "sys");

	if (IS_ERR(priv->regs[0]))

		return PTR_ERR(priv->regs[0]);



	pctrl->regs[1] = devm_platform_ioremap_resource_byname(pdev, "rtc");

	if (IS_ERR(pctrl->regs[1]))

		return PTR_ERR(pctrl->regs[1]);

	priv->regs[1] = devm_platform_ioremap_resource_byname(pdev, "rtc");

	if (IS_ERR(priv->regs[1]))

		return PTR_ERR(priv->regs[1]);



	pctrl->pdesc.name = dev_name(dev);

	pctrl->pdesc.pins = pctrl_data->pins;
@@ -761,6 +779,7 @@ int cv1800_pinctrl_probe(struct platform_device *pdev) 
	pctrl->pdesc.owner = THIS_MODULE;



	pctrl->data = pctrl_data;

	pctrl->priv_ctrl = priv;

	pctrl->dev = dev;

	raw_spin_lock_init(&pctrl->lock);

	mutex_init(&pctrl->mutex);
@@ -768,11 +787,11 @@ int cv1800_pinctrl_probe(struct platform_device *pdev) 
	platform_set_drvdata(pdev, pctrl);



	ret = devm_pinctrl_register_and_init(dev, &pctrl->pdesc,

					     pctrl, &pctrl->pctl_dev);

					     pctrl, &pctrl->pctrl_dev);

	if (ret)

		return dev_err_probe(dev, ret,

				     "fail to register pinctrl driver\n");



	return pinctrl_enable(pctrl->pctl_dev);

	return pinctrl_enable(pctrl->pctrl_dev);

}

EXPORT_SYMBOL_GPL(cv1800_pinctrl_probe);

drivers/pinctrl/sophgo/pinctrl-cv18xx.h

+21 −40
Original line number Diff line number Diff line
@@ -8,13 +8,14 @@ 


#include <linux/bits.h>

#include <linux/bitfield.h>

#include <linux/device.h>

#include <linux/mutex.h>

#include <linux/spinlock.h>

#include <linux/platform_device.h>

#include <linux/pinctrl/pinctrl.h>

#include <linux/pinctrl/pinconf.h>



#include "pinctrl-sophgo.h"



enum cv1800_pin_io_type {

	IO_TYPE_1V8_ONLY = 0,

	IO_TYPE_1V8_OR_3V3 = 1,
@@ -49,48 +50,22 @@ struct cv1800_pinconf { 
#define CV1800_PIN_FLAG_IO_TYPE(type)		\

	FIELD_PREP_CONST(CV1800_PIN_IO_TYPE, type)

struct cv1800_pin {

	u16				pin;

	u16				flags;

	struct sophgo_pin		pin;

	u8				power_domain;

	struct cv1800_pinmux		mux;

	struct cv1800_pinmux2		mux2;

	struct cv1800_pinconf		conf;

};



#define sophgo_to_cv1800_pin(_pin)		\

	container_of((_pin), struct cv1800_pin, pin)



#define PIN_POWER_STATE_1V8		1800

#define PIN_POWER_STATE_3V3		3300



/**

 * struct cv1800_vddio_cfg_ops - pin vddio operations

 *

 * @get_pull_up: get resistor for pull up;

 * @get_pull_down: get resistor for pull down.

 * @get_oc_map: get mapping for typical low level output current value to

 *	register value map.

 * @get_schmitt_map: get mapping for register value to typical schmitt

 *	threshold.

 */

struct cv1800_vddio_cfg_ops {

	int (*get_pull_up)(struct cv1800_pin *pin, const u32 *psmap);

	int (*get_pull_down)(struct cv1800_pin *pin, const u32 *psmap);

	int (*get_oc_map)(struct cv1800_pin *pin, const u32 *psmap,

			  const u32 **map);

	int (*get_schmitt_map)(struct cv1800_pin *pin, const u32 *psmap,

			       const u32 **map);

};



struct cv1800_pinctrl_data {

	const struct pinctrl_pin_desc		*pins;

	const struct cv1800_pin			*pindata;

	const char				* const *pdnames;

	const struct cv1800_vddio_cfg_ops	*vddio_ops;

	u16					npins;

	u16					npd;

};



static inline enum cv1800_pin_io_type cv1800_pin_io_type(struct cv1800_pin *pin)

static inline enum cv1800_pin_io_type cv1800_pin_io_type(const struct cv1800_pin *pin)

{

	return FIELD_GET(CV1800_PIN_IO_TYPE, pin->flags);

	return FIELD_GET(CV1800_PIN_IO_TYPE, pin->pin.flags);

};



int cv1800_pinctrl_probe(struct platform_device *pdev);
@@ -98,9 +73,11 @@ int cv1800_pinctrl_probe(struct platform_device *pdev); 
#define CV1800_FUNC_PIN(_id, _power_domain, _type,			\

			_mux_area, _mux_offset, _mux_func_max)		\

	{								\

		.pin = (_id),						\

		.power_domain = (_power_domain),			\

		.pin = {						\

			.id = (_id),					\

			.flags = CV1800_PIN_FLAG_IO_TYPE(_type),	\

		},							\

		.power_domain = (_power_domain),			\

		.mux = {						\

			.area = (_mux_area),				\

			.offset = (_mux_offset),			\
@@ -112,9 +89,11 @@ int cv1800_pinctrl_probe(struct platform_device *pdev); 
			   _mux_area, _mux_offset, _mux_func_max,	\

			   _conf_area, _conf_offset)			\

	{								\

		.pin = (_id),						\

		.power_domain = (_power_domain),			\

		.pin = {						\

			.id = (_id),					\

			.flags = CV1800_PIN_FLAG_IO_TYPE(_type),	\

		},							\

		.power_domain = (_power_domain),			\

		.mux = {						\

			.area = (_mux_area),				\

			.offset = (_mux_offset),			\
@@ -132,10 +111,12 @@ int cv1800_pinctrl_probe(struct platform_device *pdev); 
				 _mux2_func_max,			\

				 _conf_area, _conf_offset)		\

	{								\

		.pin = (_id),						\

		.power_domain = (_power_domain),			\

		.pin = {						\

			.id = (_id),					\

			.flags = CV1800_PIN_FLAG_IO_TYPE(_type) |	\

				 CV1800_PIN_HAVE_MUX2,			\

		},							\

		.power_domain = (_power_domain),			\

		.mux = {						\

			.area = (_mux_area),				\

			.offset = (_mux_offset),			\

drivers/pinctrl/sophgo/pinctrl-sg2000.c

+13 −8

File changed.

Preview size limit exceeded, changes collapsed.