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pinctrl: mediatek: use pin descriptor all in pinctrl-mtk-common-v2.c

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all use pin descriptor instead in pinctrl-mtk-common-v2.c for the
consistency and extensibility.

Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Sean Wang 2018-09-08 19:07:29 +08:00 committed by Linus Walleij
parent e7507f57a9
commit ea051eb384
3 changed files with 88 additions and 60 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

66
drivers/pinctrl/mediatek/pinctrl-moore.c
View File

@ -54,9 +54,13 @@ static int mtk_pinmux_set_mux(struct pinctrl_dev *pctldev,
func->name, grp->name);
for (i = 0; i < grp->num_pins; i++) {
const struct mtk_pin_desc *desc;
int *pin_modes = grp->data;
int pin = grp->pins[i];
mtk_hw_set_value(hw, grp->pins[i], PINCTRL_PIN_REG_MODE,
desc = (const struct mtk_pin_desc *)&hw->soc->pins[pin];
mtk_hw_set_value(hw, desc, PINCTRL_PIN_REG_MODE,
pin_modes[i]);
}
@ -68,8 +72,12 @@ static int mtk_pinmux_gpio_request_enable(struct pinctrl_dev *pctldev,
unsigned int pin)
{
struct mtk_pinctrl *hw = pinctrl_dev_get_drvdata(pctldev);
const struct mtk_pin_desc *desc;
return mtk_hw_set_value(hw, pin, PINCTRL_PIN_REG_MODE, hw->soc->gpio_m);
desc = (const struct mtk_pin_desc *)&hw->soc->pins[pin];
return mtk_hw_set_value(hw, desc, PINCTRL_PIN_REG_MODE,
hw->soc->gpio_m);
}
static int mtk_pinmux_gpio_set_direction(struct pinctrl_dev *pctldev,
@ -77,9 +85,12 @@ static int mtk_pinmux_gpio_set_direction(struct pinctrl_dev *pctldev,
unsigned int pin, bool input)
{
struct mtk_pinctrl *hw = pinctrl_dev_get_drvdata(pctldev);
const struct mtk_pin_desc *desc;
desc = (const struct mtk_pin_desc *)&hw->soc->pins[pin];
/* hardware would take 0 as input direction */
return mtk_hw_set_value(hw, pin, PINCTRL_PIN_REG_DIR, !input);
return mtk_hw_set_value(hw, desc, PINCTRL_PIN_REG_DIR, !input);
}
static int mtk_pinconf_get(struct pinctrl_dev *pctldev,
@ -121,7 +132,7 @@ static int mtk_pinconf_get(struct pinctrl_dev *pctldev,
}
break;
case PIN_CONFIG_SLEW_RATE:
err = mtk_hw_get_value(hw, pin, PINCTRL_PIN_REG_SR, &val);
err = mtk_hw_get_value(hw, desc, PINCTRL_PIN_REG_SR, &val);
if (err)
return err;
@ -131,7 +142,7 @@ static int mtk_pinconf_get(struct pinctrl_dev *pctldev,
break;
case PIN_CONFIG_INPUT_ENABLE:
case PIN_CONFIG_OUTPUT_ENABLE:
err = mtk_hw_get_value(hw, pin, PINCTRL_PIN_REG_DIR, &val);
err = mtk_hw_get_value(hw, desc, PINCTRL_PIN_REG_DIR, &val);
if (err)
return err;
@ -142,11 +153,11 @@ static int mtk_pinconf_get(struct pinctrl_dev *pctldev,
break;
case PIN_CONFIG_INPUT_SCHMITT_ENABLE:
err = mtk_hw_get_value(hw, pin, PINCTRL_PIN_REG_DIR, &val);
err = mtk_hw_get_value(hw, desc, PINCTRL_PIN_REG_DIR, &val);
if (err)
return err;
err = mtk_hw_get_value(hw, pin, PINCTRL_PIN_REG_SMT, &val2);
err = mtk_hw_get_value(hw, desc, PINCTRL_PIN_REG_SMT, &val2);
if (err)
return err;
@ -168,7 +179,7 @@ static int mtk_pinconf_get(struct pinctrl_dev *pctldev,
reg = (param == MTK_PIN_CONFIG_TDSEL) ?
PINCTRL_PIN_REG_TDSEL : PINCTRL_PIN_REG_RDSEL;
err = mtk_hw_get_value(hw, pin, reg, &val);
err = mtk_hw_get_value(hw, desc, reg, &val);
if (err)
return err;
@ -240,12 +251,12 @@ static int mtk_pinconf_set(struct pinctrl_dev *pctldev, unsigned int pin,
}
break;
case PIN_CONFIG_OUTPUT_ENABLE:
err = mtk_hw_set_value(hw, pin, PINCTRL_PIN_REG_SMT,
err = mtk_hw_set_value(hw, desc, PINCTRL_PIN_REG_SMT,
MTK_DISABLE);
if (err)
goto err;
err = mtk_hw_set_value(hw, pin, PINCTRL_PIN_REG_DIR,
err = mtk_hw_set_value(hw, desc, PINCTRL_PIN_REG_DIR,
MTK_OUTPUT);
if (err)
goto err;
@ -253,29 +264,29 @@ static int mtk_pinconf_set(struct pinctrl_dev *pctldev, unsigned int pin,
case PIN_CONFIG_INPUT_ENABLE:
if (hw->soc->ies_present) {
mtk_hw_set_value(hw, pin, PINCTRL_PIN_REG_IES,
mtk_hw_set_value(hw, desc, PINCTRL_PIN_REG_IES,
MTK_ENABLE);
}
err = mtk_hw_set_value(hw, pin, PINCTRL_PIN_REG_DIR,
err = mtk_hw_set_value(hw, desc, PINCTRL_PIN_REG_DIR,
MTK_INPUT);
if (err)
goto err;
break;
case PIN_CONFIG_SLEW_RATE:
err = mtk_hw_set_value(hw, pin, PINCTRL_PIN_REG_SR,
err = mtk_hw_set_value(hw, desc, PINCTRL_PIN_REG_SR,
arg);
if (err)
goto err;
break;
case PIN_CONFIG_OUTPUT:
err = mtk_hw_set_value(hw, pin, PINCTRL_PIN_REG_DIR,
err = mtk_hw_set_value(hw, desc, PINCTRL_PIN_REG_DIR,
MTK_OUTPUT);
if (err)
goto err;
err = mtk_hw_set_value(hw, pin, PINCTRL_PIN_REG_DO,
err = mtk_hw_set_value(hw, desc, PINCTRL_PIN_REG_DO,
arg);
if (err)
goto err;
@ -285,12 +296,12 @@ static int mtk_pinconf_set(struct pinctrl_dev *pctldev, unsigned int pin,
* arg = 0: Output mode & SMT disable
*/
arg = arg ? 2 : 1;
err = mtk_hw_set_value(hw, pin, PINCTRL_PIN_REG_DIR,
err = mtk_hw_set_value(hw, desc, PINCTRL_PIN_REG_DIR,
arg & 1);
if (err)
goto err;
err = mtk_hw_set_value(hw, pin, PINCTRL_PIN_REG_SMT,
err = mtk_hw_set_value(hw, desc, PINCTRL_PIN_REG_SMT,
!!(arg & 2));
if (err)
goto err;
@ -309,7 +320,7 @@ static int mtk_pinconf_set(struct pinctrl_dev *pctldev, unsigned int pin,
reg = (param == MTK_PIN_CONFIG_TDSEL) ?
PINCTRL_PIN_REG_TDSEL : PINCTRL_PIN_REG_RDSEL;
err = mtk_hw_set_value(hw, pin, reg, arg);
err = mtk_hw_set_value(hw, desc, reg, arg);
if (err)
goto err;
break;
@ -419,9 +430,12 @@ static struct pinctrl_desc mtk_desc = {
static int mtk_gpio_get(struct gpio_chip *chip, unsigned int gpio)
{
struct mtk_pinctrl *hw = gpiochip_get_data(chip);
const struct mtk_pin_desc *desc;
int value, err;
err = mtk_hw_get_value(hw, gpio, PINCTRL_PIN_REG_DI, &value);
desc = (const struct mtk_pin_desc *)&hw->soc->pins[gpio];
err = mtk_hw_get_value(hw, desc, PINCTRL_PIN_REG_DI, &value);
if (err)
return err;
@ -431,8 +445,11 @@ static int mtk_gpio_get(struct gpio_chip *chip, unsigned int gpio)
static void mtk_gpio_set(struct gpio_chip *chip, unsigned int gpio, int value)
{
struct mtk_pinctrl *hw = gpiochip_get_data(chip);
const struct mtk_pin_desc *desc;
mtk_hw_set_value(hw, gpio, PINCTRL_PIN_REG_DO, !!value);
desc = (const struct mtk_pin_desc *)&hw->soc->pins[gpio];
mtk_hw_set_value(hw, desc, PINCTRL_PIN_REG_DO, !!value);
}
static int mtk_gpio_direction_input(struct gpio_chip *chip, unsigned int gpio)
@ -620,6 +637,7 @@ static int mtk_xt_get_gpio_state(void *data, unsigned long eint_n)
static int mtk_xt_set_gpio_as_eint(void *data, unsigned long eint_n)
{
struct mtk_pinctrl *hw = (struct mtk_pinctrl *)data;
const struct mtk_pin_desc *desc;
struct gpio_chip *gpio_chip;
unsigned int gpio_n;
int err;
@ -628,16 +646,18 @@ static int mtk_xt_set_gpio_as_eint(void *data, unsigned long eint_n)
if (err)
return err;
err = mtk_hw_set_value(hw, gpio_n, PINCTRL_PIN_REG_MODE,
desc = (const struct mtk_pin_desc *)&hw->soc->pins[gpio_n];
err = mtk_hw_set_value(hw, desc, PINCTRL_PIN_REG_MODE,
hw->soc->eint_m);
if (err)
return err;
err = mtk_hw_set_value(hw, gpio_n, PINCTRL_PIN_REG_DIR, MTK_INPUT);
err = mtk_hw_set_value(hw, desc, PINCTRL_PIN_REG_DIR, MTK_INPUT);
if (err)
return err;
err = mtk_hw_set_value(hw, gpio_n, PINCTRL_PIN_REG_SMT, MTK_ENABLE);
err = mtk_hw_set_value(hw, desc, PINCTRL_PIN_REG_SMT, MTK_ENABLE);
if (err)
return err;

76
drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c
View File

@ -59,7 +59,8 @@ void mtk_rmw(struct mtk_pinctrl *pctl, u32 reg, u32 mask, u32 set)
mtk_w32(pctl, reg, val);
}
static int mtk_hw_pin_field_lookup(struct mtk_pinctrl *hw, int pin,
static int mtk_hw_pin_field_lookup(struct mtk_pinctrl *hw,
const struct mtk_pin_desc *desc,
const struct mtk_pin_reg_calc *rc,
struct mtk_pin_field *pfd)
{
@ -70,13 +71,14 @@ static int mtk_hw_pin_field_lookup(struct mtk_pinctrl *hw, int pin,
e = c + rc->nranges;
while (c < e) {
if (pin >= c->s_pin && pin <= c->e_pin)
if (desc->number >= c->s_pin && desc->number <= c->e_pin)
break;
c++;
}
if (c >= e) {
dev_err(hw->dev, "Out of range for pin = %d\n", pin);
dev_err(hw->dev, "Out of range for pin = %d (%s)\n",
desc->number, desc->name);
return -EINVAL;
}
@ -84,7 +86,8 @@ static int mtk_hw_pin_field_lookup(struct mtk_pinctrl *hw, int pin,
* if c->fixed is held, that determines the all the pins in the
* range use the same field with the s_pin.
*/
bits = c->fixed ? c->s_bit : c->s_bit + (pin - c->s_pin) * (c->x_bits);
bits = c->fixed ? c->s_bit : c->s_bit +
(desc->number - c->s_pin) * (c->x_bits);
/* Fill pfd from bits. For example 32-bit register applied is assumed
* when c->sz_reg is equal to 32.
@ -102,7 +105,8 @@ static int mtk_hw_pin_field_lookup(struct mtk_pinctrl *hw, int pin,
return 0;
}
static int mtk_hw_pin_field_get(struct mtk_pinctrl *hw, int pin,
static int mtk_hw_pin_field_get(struct mtk_pinctrl *hw,
const struct mtk_pin_desc *desc,
int field, struct mtk_pin_field *pfd)
{
const struct mtk_pin_reg_calc *rc;
@ -119,7 +123,7 @@ static int mtk_hw_pin_field_get(struct mtk_pinctrl *hw, int pin,
return -EINVAL;
}
return mtk_hw_pin_field_lookup(hw, pin, rc, pfd);
return mtk_hw_pin_field_lookup(hw, desc, rc, pfd);
}
static void mtk_hw_bits_part(struct mtk_pin_field *pf, int *h, int *l)
@ -155,12 +159,13 @@ static void mtk_hw_read_cross_field(struct mtk_pinctrl *hw,
*value = (h << nbits_l) | l;
}
int mtk_hw_set_value(struct mtk_pinctrl *hw, int pin, int field, int value)
int mtk_hw_set_value(struct mtk_pinctrl *hw, const struct mtk_pin_desc *desc,
int field, int value)
{
struct mtk_pin_field pf;
int err;
err = mtk_hw_pin_field_get(hw, pin, field, &pf);
err = mtk_hw_pin_field_get(hw, desc, field, &pf);
if (err)
return err;
@ -173,12 +178,13 @@ int mtk_hw_set_value(struct mtk_pinctrl *hw, int pin, int field, int value)
return 0;
}
int mtk_hw_get_value(struct mtk_pinctrl *hw, int pin, int field, int *value)
int mtk_hw_get_value(struct mtk_pinctrl *hw, const struct mtk_pin_desc *desc,
int field, int *value)
{
struct mtk_pin_field pf;
int err;
err = mtk_hw_pin_field_get(hw, pin, field, &pf);
err = mtk_hw_pin_field_get(hw, desc, field, &pf);
if (err)
return err;
@ -196,12 +202,12 @@ int mtk_pinconf_bias_disable_set(struct mtk_pinctrl *hw,
{
int err;
err = mtk_hw_set_value(hw, desc->number, PINCTRL_PIN_REG_PU,
err = mtk_hw_set_value(hw, desc, PINCTRL_PIN_REG_PU,
MTK_DISABLE);
if (err)
return err;
err = mtk_hw_set_value(hw, desc->number, PINCTRL_PIN_REG_PD,
err = mtk_hw_set_value(hw, desc, PINCTRL_PIN_REG_PD,
MTK_DISABLE);
if (err)
return err;
@ -215,11 +221,11 @@ int mtk_pinconf_bias_disable_get(struct mtk_pinctrl *hw,
int v, v2;
int err;
err = mtk_hw_get_value(hw, desc->number, PINCTRL_PIN_REG_PU, &v);
err = mtk_hw_get_value(hw, desc, PINCTRL_PIN_REG_PU, &v);
if (err)
return err;
err = mtk_hw_get_value(hw, desc->number, PINCTRL_PIN_REG_PD, &v2);
err = mtk_hw_get_value(hw, desc, PINCTRL_PIN_REG_PD, &v2);
if (err)
return err;
@ -238,11 +244,11 @@ int mtk_pinconf_bias_set(struct mtk_pinctrl *hw,
arg = pullup ? 1 : 2;
err = mtk_hw_set_value(hw, desc->number, PINCTRL_PIN_REG_PU, arg & 1);
err = mtk_hw_set_value(hw, desc, PINCTRL_PIN_REG_PU, arg & 1);
if (err)
return err;
err = mtk_hw_set_value(hw, desc->number, PINCTRL_PIN_REG_PD,
err = mtk_hw_set_value(hw, desc, PINCTRL_PIN_REG_PD,
!!(arg & 2));
if (err)
return err;
@ -257,7 +263,7 @@ int mtk_pinconf_bias_get(struct mtk_pinctrl *hw,
reg = pullup ? PINCTRL_PIN_REG_PU : PINCTRL_PIN_REG_PD;
err = mtk_hw_get_value(hw, desc->number, reg, &v);
err = mtk_hw_get_value(hw, desc, reg, &v);
if (err)
return err;
@ -275,7 +281,7 @@ int mtk_pinconf_bias_disable_set_rev1(struct mtk_pinctrl *hw,
{
int err;
err = mtk_hw_set_value(hw, desc->number, PINCTRL_PIN_REG_PULLEN,
err = mtk_hw_set_value(hw, desc, PINCTRL_PIN_REG_PULLEN,
MTK_DISABLE);
if (err)
return err;
@ -288,7 +294,7 @@ int mtk_pinconf_bias_disable_get_rev1(struct mtk_pinctrl *hw,
{
int v, err;
err = mtk_hw_get_value(hw, desc->number, PINCTRL_PIN_REG_PULLEN, &v);
err = mtk_hw_get_value(hw, desc, PINCTRL_PIN_REG_PULLEN, &v);
if (err)
return err;
@ -307,12 +313,12 @@ int mtk_pinconf_bias_set_rev1(struct mtk_pinctrl *hw,
arg = pullup ? MTK_PULLUP : MTK_PULLDOWN;
err = mtk_hw_set_value(hw, desc->number, PINCTRL_PIN_REG_PULLEN,
err = mtk_hw_set_value(hw, desc, PINCTRL_PIN_REG_PULLEN,
MTK_ENABLE);
if (err)
return err;
err = mtk_hw_set_value(hw, desc->number, PINCTRL_PIN_REG_PULLSEL, arg);
err = mtk_hw_set_value(hw, desc, PINCTRL_PIN_REG_PULLSEL, arg);
if (err)
return err;
@ -325,14 +331,14 @@ int mtk_pinconf_bias_get_rev1(struct mtk_pinctrl *hw,
{
int err, v;
err = mtk_hw_get_value(hw, desc->number, PINCTRL_PIN_REG_PULLEN, &v);
err = mtk_hw_get_value(hw, desc, PINCTRL_PIN_REG_PULLEN, &v);
if (err)
return err;
if (v == MTK_DISABLE)
return -EINVAL;
err = mtk_hw_get_value(hw, desc->number, PINCTRL_PIN_REG_PULLSEL, &v);
err = mtk_hw_get_value(hw, desc, PINCTRL_PIN_REG_PULLSEL, &v);
if (err)
return err;
@ -359,12 +365,12 @@ int mtk_pinconf_drive_set(struct mtk_pinctrl *hw,
*/
if ((arg >= tb->min && arg <= tb->max) && !(arg % tb->step)) {
arg = (arg / tb->step - 1) * tb->scal;
err = mtk_hw_set_value(hw, desc->number, PINCTRL_PIN_REG_E4,
err = mtk_hw_set_value(hw, desc, PINCTRL_PIN_REG_E4,
arg & 0x1);
if (err)
return err;
err = mtk_hw_set_value(hw, desc->number, PINCTRL_PIN_REG_E8,
err = mtk_hw_set_value(hw, desc, PINCTRL_PIN_REG_E8,
(arg & 0x2) >> 1);
if (err)
return err;
@ -381,11 +387,11 @@ int mtk_pinconf_drive_get(struct mtk_pinctrl *hw,
tb = &mtk_drive[desc->drv_n];
err = mtk_hw_get_value(hw, desc->number, PINCTRL_PIN_REG_E4, &val1);
err = mtk_hw_get_value(hw, desc, PINCTRL_PIN_REG_E4, &val1);
if (err)
return err;
err = mtk_hw_get_value(hw, desc->number, PINCTRL_PIN_REG_E8, &val2);
err = mtk_hw_get_value(hw, desc, PINCTRL_PIN_REG_E8, &val2);
if (err)
return err;
@ -409,7 +415,7 @@ int mtk_pinconf_drive_set_rev1(struct mtk_pinctrl *hw,
if ((arg >= tb->min && arg <= tb->max) && !(arg % tb->step)) {
arg = (arg / tb->step - 1) * tb->scal;
err = mtk_hw_set_value(hw, desc->number, PINCTRL_PIN_REG_DRV,
err = mtk_hw_set_value(hw, desc, PINCTRL_PIN_REG_DRV,
arg);
if (err)
return err;
@ -426,7 +432,7 @@ int mtk_pinconf_drive_get_rev1(struct mtk_pinctrl *hw,
tb = &mtk_drive[desc->drv_n];
err = mtk_hw_get_value(hw, desc->number, PINCTRL_PIN_REG_DRV, &val1);
err = mtk_hw_get_value(hw, desc, PINCTRL_PIN_REG_DRV, &val1);
if (err)
return err;
@ -446,18 +452,18 @@ int mtk_pinconf_adv_pull_set(struct mtk_pinctrl *hw,
* 10K on & 50K (75K) off, when (R0, R1) = (1, 0);
* 10K on & 50K (75K) on, when (R0, R1) = (1, 1)
*/
err = mtk_hw_set_value(hw, desc->number, PINCTRL_PIN_REG_R0, arg & 1);
err = mtk_hw_set_value(hw, desc, PINCTRL_PIN_REG_R0, arg & 1);
if (err)
return 0;
err = mtk_hw_set_value(hw, desc->number, PINCTRL_PIN_REG_R1,
err = mtk_hw_set_value(hw, desc, PINCTRL_PIN_REG_R1,
!!(arg & 2));
if (err)
return 0;
arg = pullup ? 0 : 1;
err = mtk_hw_set_value(hw, desc->number, PINCTRL_PIN_REG_PUPD, arg);
err = mtk_hw_set_value(hw, desc, PINCTRL_PIN_REG_PUPD, arg);
return err;
}
@ -469,7 +475,7 @@ int mtk_pinconf_adv_pull_get(struct mtk_pinctrl *hw,
u32 t, t2;
int err;
err = mtk_hw_get_value(hw, desc->number, PINCTRL_PIN_REG_PUPD, &t);
err = mtk_hw_get_value(hw, desc, PINCTRL_PIN_REG_PUPD, &t);
if (err)
return err;
@ -477,11 +483,11 @@ int mtk_pinconf_adv_pull_get(struct mtk_pinctrl *hw,
if (pullup ^ !t)
return -EINVAL;
err = mtk_hw_get_value(hw, desc->number, PINCTRL_PIN_REG_R0, &t);
err = mtk_hw_get_value(hw, desc, PINCTRL_PIN_REG_R0, &t);
if (err)
return err;
err = mtk_hw_get_value(hw, desc->number, PINCTRL_PIN_REG_R1, &t2);
err = mtk_hw_get_value(hw, desc, PINCTRL_PIN_REG_R1, &t2);
if (err)
return err;

6
drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.h
View File

@ -192,8 +192,10 @@ struct mtk_pinctrl {
void mtk_rmw(struct mtk_pinctrl *pctl, u32 reg, u32 mask, u32 set);
int mtk_hw_set_value(struct mtk_pinctrl *hw, int pin, int field, int value);
int mtk_hw_get_value(struct mtk_pinctrl *hw, int pin, int field, int *value);
int mtk_hw_set_value(struct mtk_pinctrl *hw, const struct mtk_pin_desc *desc,
int field, int value);
int mtk_hw_get_value(struct mtk_pinctrl *hw, const struct mtk_pin_desc *desc,
int field, int *value);
int mtk_pinconf_bias_disable_set(struct mtk_pinctrl *hw,
const struct mtk_pin_desc *desc);