#define CHV_PADCTRL1_INTWAKECFG_LEVEL 4
/**
- * struct chv_alternate_function - A per group or per pin alternate function
- * @pin: Pin number (only used in per pin configs)
- * @mode: Mode the pin should be set in
- * @invert_oe: Invert OE for this pin
- */
-struct chv_alternate_function {
- unsigned int pin;
- u8 mode;
- bool invert_oe;
-};
-
-/**
- * struct chv_pincgroup - describes a CHV pin group
- * @name: Name of the group
- * @pins: An array of pins in this group
- * @npins: Number of pins in this group
- * @altfunc: Alternate function applied to all pins in this group
- * @overrides: Alternate function override per pin or %NULL if not used
- * @noverrides: Number of per pin alternate function overrides if
- * @overrides != NULL.
- */
-struct chv_pingroup {
- const char *name;
- const unsigned int *pins;
- size_t npins;
- struct chv_alternate_function altfunc;
- const struct chv_alternate_function *overrides;
- size_t noverrides;
-};
-
-/**
- * struct chv_gpio_pinrange - A range of pins that can be used as GPIOs
- * @base: Start pin number
- * @npins: Number of pins in this range
- */
-struct chv_gpio_pinrange {
- unsigned int base;
- unsigned int npins;
-};
-
-/**
* struct chv_community - A community specific configuration
* @uid: ACPI _UID used to match the community
* @pins: All pins in this community
* @ngroups: Number of groups
* @functions: All functions in this community
* @nfunctions: Number of functions
- * @gpio_ranges: An array of GPIO ranges in this community
- * @ngpio_ranges: Number of GPIO ranges
+ * @gpps: Pad groups
+ * @ngpps: Number of pad groups in this community
* @nirqs: Total number of IRQs this community can generate
* @acpi_space_id: An address space ID for ACPI OpRegion handler
*/
const char *uid;
const struct pinctrl_pin_desc *pins;
size_t npins;
- const struct chv_pingroup *groups;
+ const struct intel_pingroup *groups;
size_t ngroups;
const struct intel_function *functions;
size_t nfunctions;
- const struct chv_gpio_pinrange *gpio_ranges;
- size_t ngpio_ranges;
+ const struct intel_padgroup *gpps;
+ size_t ngpps;
size_t nirqs;
acpi_adr_space_type acpi_space_id;
};
struct chv_pin_context *saved_pin_context;
};
-#define ALTERNATE_FUNCTION(p, m, i) \
- { \
- .pin = (p), \
- .mode = (m), \
- .invert_oe = (i), \
- }
+#define PINMODE_INVERT_OE BIT(15)
-#define PIN_GROUP_WITH_ALT(n, p, m, i) \
- { \
- .name = (n), \
- .pins = (p), \
- .npins = ARRAY_SIZE((p)), \
- .altfunc.mode = (m), \
- .altfunc.invert_oe = (i), \
- }
+#define PINMODE(m, i) ((m) | ((i) * PINMODE_INVERT_OE))
-#define PIN_GROUP_WITH_OVERRIDE(n, p, m, i, o) \
- { \
- .name = (n), \
- .pins = (p), \
- .npins = ARRAY_SIZE((p)), \
- .altfunc.mode = (m), \
- .altfunc.invert_oe = (i), \
- .overrides = (o), \
- .noverrides = ARRAY_SIZE((o)), \
- }
-
-#define GPIO_PINRANGE(start, end) \
+#define CHV_GPP(start, end) \
{ \
.base = (start), \
- .npins = (end) - (start) + 1, \
+ .size = (end) - (start) + 1, \
}
static const struct pinctrl_pin_desc southwest_pins[] = {
static const unsigned southwest_i2c_nfc_pins[] = { 49, 52 };
static const unsigned southwest_spi3_pins[] = { 76, 79, 80, 81, 82 };
-/* LPE I2S TXD pins need to have invert_oe set */
-static const struct chv_alternate_function southwest_lpe_altfuncs[] = {
- ALTERNATE_FUNCTION(30, 1, true),
- ALTERNATE_FUNCTION(34, 1, true),
- ALTERNATE_FUNCTION(97, 1, true),
+/* Some of LPE I2S TXD pins need to have OE inversion set */
+static const unsigned int southwest_lpe_altfuncs[] = {
+ PINMODE(1, 1), PINMODE(1, 0), PINMODE(1, 0), PINMODE(1, 0), /* 30, 31, 32, 33 */
+ PINMODE(1, 1), PINMODE(1, 0), PINMODE(1, 0), PINMODE(1, 0), /* 34, 35, 36, 37 */
+ PINMODE(1, 0), PINMODE(1, 0), PINMODE(1, 0), PINMODE(1, 1), /* 92, 94, 96, 97 */
};
/*
* Two spi3 chipselects are available in different mode than the main spi3
- * functionality, which is using mode 1.
+ * functionality, which is using mode 2.
*/
-static const struct chv_alternate_function southwest_spi3_altfuncs[] = {
- ALTERNATE_FUNCTION(76, 3, false),
- ALTERNATE_FUNCTION(80, 3, false),
+static const unsigned int southwest_spi3_altfuncs[] = {
+ PINMODE(3, 0), PINMODE(2, 0), PINMODE(3, 0), PINMODE(2, 0), /* 76, 79, 80, 81 */
+ PINMODE(2, 0), /* 82 */
};
-static const struct chv_pingroup southwest_groups[] = {
- PIN_GROUP_WITH_ALT("uart0_grp", southwest_uart0_pins, 2, false),
- PIN_GROUP_WITH_ALT("uart1_grp", southwest_uart1_pins, 1, false),
- PIN_GROUP_WITH_ALT("uart2_grp", southwest_uart2_pins, 1, false),
- PIN_GROUP_WITH_ALT("hda_grp", southwest_hda_pins, 2, false),
- PIN_GROUP_WITH_ALT("i2c0_grp", southwest_i2c0_pins, 1, true),
- PIN_GROUP_WITH_ALT("i2c1_grp", southwest_i2c1_pins, 1, true),
- PIN_GROUP_WITH_ALT("i2c2_grp", southwest_i2c2_pins, 1, true),
- PIN_GROUP_WITH_ALT("i2c3_grp", southwest_i2c3_pins, 1, true),
- PIN_GROUP_WITH_ALT("i2c4_grp", southwest_i2c4_pins, 1, true),
- PIN_GROUP_WITH_ALT("i2c5_grp", southwest_i2c5_pins, 1, true),
- PIN_GROUP_WITH_ALT("i2c6_grp", southwest_i2c6_pins, 1, true),
- PIN_GROUP_WITH_ALT("i2c_nfc_grp", southwest_i2c_nfc_pins, 2, true),
-
- PIN_GROUP_WITH_OVERRIDE("lpe_grp", southwest_lpe_pins, 1, false,
- southwest_lpe_altfuncs),
- PIN_GROUP_WITH_OVERRIDE("spi3_grp", southwest_spi3_pins, 2, false,
- southwest_spi3_altfuncs),
+static const struct intel_pingroup southwest_groups[] = {
+ PIN_GROUP("uart0_grp", southwest_uart0_pins, PINMODE(2, 0)),
+ PIN_GROUP("uart1_grp", southwest_uart1_pins, PINMODE(1, 0)),
+ PIN_GROUP("uart2_grp", southwest_uart2_pins, PINMODE(1, 0)),
+ PIN_GROUP("hda_grp", southwest_hda_pins, PINMODE(2, 0)),
+ PIN_GROUP("i2c0_grp", southwest_i2c0_pins, PINMODE(1, 1)),
+ PIN_GROUP("i2c1_grp", southwest_i2c1_pins, PINMODE(1, 1)),
+ PIN_GROUP("i2c2_grp", southwest_i2c2_pins, PINMODE(1, 1)),
+ PIN_GROUP("i2c3_grp", southwest_i2c3_pins, PINMODE(1, 1)),
+ PIN_GROUP("i2c4_grp", southwest_i2c4_pins, PINMODE(1, 1)),
+ PIN_GROUP("i2c5_grp", southwest_i2c5_pins, PINMODE(1, 1)),
+ PIN_GROUP("i2c6_grp", southwest_i2c6_pins, PINMODE(1, 1)),
+ PIN_GROUP("i2c_nfc_grp", southwest_i2c_nfc_pins, PINMODE(2, 1)),
+ PIN_GROUP("lpe_grp", southwest_lpe_pins, southwest_lpe_altfuncs),
+ PIN_GROUP("spi3_grp", southwest_spi3_pins, southwest_spi3_altfuncs),
};
static const char * const southwest_uart0_groups[] = { "uart0_grp" };
FUNCTION("spi3", southwest_spi3_groups),
};
-static const struct chv_gpio_pinrange southwest_gpio_ranges[] = {
- GPIO_PINRANGE(0, 7),
- GPIO_PINRANGE(15, 22),
- GPIO_PINRANGE(30, 37),
- GPIO_PINRANGE(45, 52),
- GPIO_PINRANGE(60, 67),
- GPIO_PINRANGE(75, 82),
- GPIO_PINRANGE(90, 97),
+static const struct intel_padgroup southwest_gpps[] = {
+ CHV_GPP(0, 7),
+ CHV_GPP(15, 22),
+ CHV_GPP(30, 37),
+ CHV_GPP(45, 52),
+ CHV_GPP(60, 67),
+ CHV_GPP(75, 82),
+ CHV_GPP(90, 97),
};
static const struct chv_community southwest_community = {
.ngroups = ARRAY_SIZE(southwest_groups),
.functions = southwest_functions,
.nfunctions = ARRAY_SIZE(southwest_functions),
- .gpio_ranges = southwest_gpio_ranges,
- .ngpio_ranges = ARRAY_SIZE(southwest_gpio_ranges),
+ .gpps = southwest_gpps,
+ .ngpps = ARRAY_SIZE(southwest_gpps),
/*
* Southwest community can generate GPIO interrupts only for the
* first 8 interrupts. The upper half (8-15) can only be used to
PINCTRL_PIN(72, "PANEL0_VDDEN"),
};
-static const struct chv_gpio_pinrange north_gpio_ranges[] = {
- GPIO_PINRANGE(0, 8),
- GPIO_PINRANGE(15, 27),
- GPIO_PINRANGE(30, 41),
- GPIO_PINRANGE(45, 56),
- GPIO_PINRANGE(60, 72),
+static const struct intel_padgroup north_gpps[] = {
+ CHV_GPP(0, 8),
+ CHV_GPP(15, 27),
+ CHV_GPP(30, 41),
+ CHV_GPP(45, 56),
+ CHV_GPP(60, 72),
};
static const struct chv_community north_community = {
.uid = "2",
.pins = north_pins,
.npins = ARRAY_SIZE(north_pins),
- .gpio_ranges = north_gpio_ranges,
- .ngpio_ranges = ARRAY_SIZE(north_gpio_ranges),
+ .gpps = north_gpps,
+ .ngpps = ARRAY_SIZE(north_gpps),
/*
* North community can generate GPIO interrupts only for the first
* 8 interrupts. The upper half (8-15) can only be used to trigger
PINCTRL_PIN(26, "MF_ISH_I2C1_SDA"),
};
-static const struct chv_gpio_pinrange east_gpio_ranges[] = {
- GPIO_PINRANGE(0, 11),
- GPIO_PINRANGE(15, 26),
+static const struct intel_padgroup east_gpps[] = {
+ CHV_GPP(0, 11),
+ CHV_GPP(15, 26),
};
static const struct chv_community east_community = {
.uid = "3",
.pins = east_pins,
.npins = ARRAY_SIZE(east_pins),
- .gpio_ranges = east_gpio_ranges,
- .ngpio_ranges = ARRAY_SIZE(east_gpio_ranges),
+ .gpps = east_gpps,
+ .ngpps = ARRAY_SIZE(east_gpps),
.nirqs = 16,
.acpi_space_id = 0x93,
};
static const unsigned southeast_spi1_pins[] = { 60, 61, 62, 64, 66 };
static const unsigned southeast_spi2_pins[] = { 2, 3, 4, 6, 7 };
-static const struct chv_pingroup southeast_groups[] = {
- PIN_GROUP_WITH_ALT("pwm0_grp", southeast_pwm0_pins, 1, false),
- PIN_GROUP_WITH_ALT("pwm1_grp", southeast_pwm1_pins, 1, false),
- PIN_GROUP_WITH_ALT("sdmmc1_grp", southeast_sdmmc1_pins, 1, false),
- PIN_GROUP_WITH_ALT("sdmmc2_grp", southeast_sdmmc2_pins, 1, false),
- PIN_GROUP_WITH_ALT("sdmmc3_grp", southeast_sdmmc3_pins, 1, false),
- PIN_GROUP_WITH_ALT("spi1_grp", southeast_spi1_pins, 1, false),
- PIN_GROUP_WITH_ALT("spi2_grp", southeast_spi2_pins, 4, false),
+static const struct intel_pingroup southeast_groups[] = {
+ PIN_GROUP("pwm0_grp", southeast_pwm0_pins, PINMODE(1, 0)),
+ PIN_GROUP("pwm1_grp", southeast_pwm1_pins, PINMODE(1, 0)),
+ PIN_GROUP("sdmmc1_grp", southeast_sdmmc1_pins, PINMODE(1, 0)),
+ PIN_GROUP("sdmmc2_grp", southeast_sdmmc2_pins, PINMODE(1, 0)),
+ PIN_GROUP("sdmmc3_grp", southeast_sdmmc3_pins, PINMODE(1, 0)),
+ PIN_GROUP("spi1_grp", southeast_spi1_pins, PINMODE(1, 0)),
+ PIN_GROUP("spi2_grp", southeast_spi2_pins, PINMODE(4, 0)),
};
static const char * const southeast_pwm0_groups[] = { "pwm0_grp" };
FUNCTION("spi2", southeast_spi2_groups),
};
-static const struct chv_gpio_pinrange southeast_gpio_ranges[] = {
- GPIO_PINRANGE(0, 7),
- GPIO_PINRANGE(15, 26),
- GPIO_PINRANGE(30, 35),
- GPIO_PINRANGE(45, 52),
- GPIO_PINRANGE(60, 69),
- GPIO_PINRANGE(75, 85),
+static const struct intel_padgroup southeast_gpps[] = {
+ CHV_GPP(0, 7),
+ CHV_GPP(15, 26),
+ CHV_GPP(30, 35),
+ CHV_GPP(45, 52),
+ CHV_GPP(60, 69),
+ CHV_GPP(75, 85),
};
static const struct chv_community southeast_community = {
.ngroups = ARRAY_SIZE(southeast_groups),
.functions = southeast_functions,
.nfunctions = ARRAY_SIZE(southeast_functions),
- .gpio_ranges = southeast_gpio_ranges,
- .ngpio_ranges = ARRAY_SIZE(southeast_gpio_ranges),
+ .gpps = southeast_gpps,
+ .ngpps = ARRAY_SIZE(southeast_gpps),
.nirqs = 16,
.acpi_space_id = 0x94,
};
unsigned int function, unsigned int group)
{
struct chv_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev);
- const struct chv_pingroup *grp;
+ const struct intel_pingroup *grp;
unsigned long flags;
int i;
}
for (i = 0; i < grp->npins; i++) {
- const struct chv_alternate_function *altfunc = &grp->altfunc;
int pin = grp->pins[i];
void __iomem *reg;
+ unsigned int mode;
+ bool invert_oe;
u32 value;
/* Check if there is pin-specific config */
- if (grp->overrides) {
- int j;
-
- for (j = 0; j < grp->noverrides; j++) {
- if (grp->overrides[j].pin == pin) {
- altfunc = &grp->overrides[j];
- break;
- }
- }
- }
+ if (grp->modes)
+ mode = grp->modes[i];
+ else
+ mode = grp->mode;
+
+ /* Extract OE inversion */
+ invert_oe = mode & PINMODE_INVERT_OE;
+ mode &= ~PINMODE_INVERT_OE;
reg = chv_padreg(pctrl, pin, CHV_PADCTRL0);
value = readl(reg);
value &= ~CHV_PADCTRL0_GPIOEN;
/* Set to desired mode */
value &= ~CHV_PADCTRL0_PMODE_MASK;
- value |= altfunc->mode << CHV_PADCTRL0_PMODE_SHIFT;
+ value |= mode << CHV_PADCTRL0_PMODE_SHIFT;
chv_writel(value, reg);
/* Update for invert_oe */
reg = chv_padreg(pctrl, pin, CHV_PADCTRL1);
value = readl(reg) & ~CHV_PADCTRL1_INVRXTX_MASK;
- if (altfunc->invert_oe)
+ if (invert_oe)
value |= CHV_PADCTRL1_INVRXTX_TXENABLE;
chv_writel(value, reg);
dev_dbg(pctrl->dev, "configured pin %u mode %u OE %sinverted\n",
- pin, altfunc->mode, altfunc->invert_oe ? "" : "not ");
+ pin, mode, invert_oe ? "" : "not ");
}
raw_spin_unlock_irqrestore(&chv_lock, flags);
{
struct chv_pinctrl *pctrl = gpiochip_get_data(chip);
const struct chv_community *community = pctrl->community;
- const struct chv_gpio_pinrange *range;
+ const struct intel_padgroup *gpp;
int ret, i;
- for (i = 0; i < community->ngpio_ranges; i++) {
- range = &community->gpio_ranges[i];
+ for (i = 0; i < community->ngpps; i++) {
+ gpp = &community->gpps[i];
ret = gpiochip_add_pin_range(chip, dev_name(pctrl->dev),
- range->base, range->base,
- range->npins);
+ gpp->base, gpp->base,
+ gpp->size);
if (ret) {
dev_err(pctrl->dev, "failed to add GPIO pin range\n");
return ret;
static int chv_gpio_probe(struct chv_pinctrl *pctrl, int irq)
{
- const struct chv_gpio_pinrange *range;
+ const struct intel_padgroup *gpp;
struct gpio_chip *chip = &pctrl->chip;
bool need_valid_mask = !dmi_check_system(chv_no_valid_mask);
const struct chv_community *community = pctrl->community;
}
if (!need_valid_mask) {
- for (i = 0; i < community->ngpio_ranges; i++) {
- range = &community->gpio_ranges[i];
+ for (i = 0; i < community->ngpps; i++) {
+ gpp = &community->gpps[i];
irq_domain_associate_many(chip->irq.domain, irq_base,
- range->base, range->npins);
- irq_base += range->npins;
+ gpp->base, gpp->size);
+ irq_base += gpp->size;
}
}
projects / platform / kernel / linux-starfive.git / commitdiff