From: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
Add pinctrl driver support for RZ/V2H(P) SoC.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
---
drivers/pinctrl/renesas/pinctrl-rzg2l.c | 483 +++++++++++++++++++++++-
1 file changed, 481 insertions(+), 2 deletions(-)
diff --git a/drivers/pinctrl/renesas/pinctrl-rzg2l.c b/drivers/pinctrl/renesas/pinctrl-rzg2l.c
index 6f0c85bb97a8..716c11ca5a8f 100644
--- a/drivers/pinctrl/renesas/pinctrl-rzg2l.c
+++ b/drivers/pinctrl/renesas/pinctrl-rzg2l.c
@@ -59,6 +59,13 @@
#define PIN_CFG_OEN BIT(15)
#define PIN_CFG_VARIABLE BIT(16)
#define PIN_CFG_NOGPIO_INT BIT(17)
+#define PIN_CFG_OPEN_DRAIN BIT(18)
+#define PIN_CFG_SCHMIT_CTRL BIT(19)
+#define PIN_CFG_ELC BIT(20)
+#define PIN_CFG_IOLH_1 BIT(21)
+#define PIN_CFG_IOLH_2 BIT(22)
+#define PIN_CFG_IOLH_3 BIT(23)
+#define PIN_CFG_IOLH_4 BIT(24)
#define RZG2L_MPXED_COMMON_PIN_FUNCS(group) \
(PIN_CFG_IOLH_##group | \
@@ -70,6 +77,10 @@
#define RZG2L_MPXED_PIN_FUNCS (RZG2L_MPXED_COMMON_PIN_FUNCS(A) | \
PIN_CFG_SR)
+#define RZV2H_MPXED_PIN_FUNCS(group) (RZG2L_MPXED_COMMON_PIN_FUNCS(group) | \
+ PIN_CFG_OPEN_DRAIN | \
+ PIN_CFG_SR)
+
#define RZG3S_MPXED_PIN_FUNCS(group) (RZG2L_MPXED_COMMON_PIN_FUNCS(group) | \
PIN_CFG_SOFT_PS)
@@ -133,6 +144,8 @@
#define PWPR_B0WI BIT(7) /* Bit Write Disable */
#define PWPR_PFCWE BIT(6) /* PFC Register Write Enable */
+#define PWPR_REGWE_A BIT(6) /* PFC and PMC Register Write Enable */
+#define PWPR_REGWE_B BIT(5) /* OEN Register Write Enable */
#define PM_MASK 0x03
#define PFC_MASK 0x07
@@ -149,6 +162,19 @@
#define RZG2L_TINT_IRQ_START_INDEX 9
#define RZG2L_PACK_HWIRQ(t, i) (((t) << 16) | (i))
+/* Custom pinconf parameters */
+#define RENESAS_RZV2H_PIN_CONFIG_OUTPUT_IMPEDANCE (PIN_CONFIG_END + 1)
+
+static const struct pinconf_generic_params renesas_rzv2h_custom_bindings[] = {
+ { "renesas-rzv2h,output-impedance", RENESAS_RZV2H_PIN_CONFIG_OUTPUT_IMPEDANCE, 1 },
+};
+
+#ifdef CONFIG_DEBUG_FS
+static const struct pin_config_item renesas_rzv2h_conf_items[] = {
+ PCONFDUMP(RENESAS_RZV2H_PIN_CONFIG_OUTPUT_IMPEDANCE, "output-impedance", "x", true),
+};
+#endif
+
/* Read/write 8 bits register */
#define RZG2L_PCTRL_REG_ACCESS8(_read, _addr, _val) \
do { \
@@ -324,6 +350,8 @@ struct rzg2l_pinctrl {
spinlock_t lock; /* lock read/write registers */
struct mutex mutex; /* serialize adding groups and functions */
+ raw_spinlock_t pwpr_lock; /* serialize PWPR register access */
+
struct rzg2l_pinctrl_pin_settings *settings;
struct rzg2l_pinctrl_reg_cache *cache;
struct rzg2l_pinctrl_reg_cache *dedicated_cache;
@@ -348,6 +376,79 @@ static u64 rzg2l_pinctrl_get_variable_pin_cfg(struct rzg2l_pinctrl *pctrl,
return 0;
}
+static const struct rzg2l_variable_pin_cfg r9a09g057_variable_pin_cfg[] = {
+ {
+ .port = 9,
+ .pin = 0,
+ .cfg = RZV2H_MPXED_PIN_FUNCS(2) | PIN_CFG_SCHMIT_CTRL,
+ },
+ {
+ .port = 9,
+ .pin = 1,
+ .cfg = RZV2H_MPXED_PIN_FUNCS(2) | PIN_CFG_SCHMIT_CTRL,
+ },
+ {
+ .port = 9,
+ .pin = 2,
+ .cfg = RZV2H_MPXED_PIN_FUNCS(2) | PIN_CFG_SCHMIT_CTRL,
+ },
+ {
+ .port = 9,
+ .pin = 3,
+ .cfg = RZV2H_MPXED_PIN_FUNCS(3) | PIN_CFG_SCHMIT_CTRL,
+ },
+ {
+ .port = 9,
+ .pin = 4,
+ .cfg = RZV2H_MPXED_PIN_FUNCS(3) | PIN_CFG_SCHMIT_CTRL,
+ },
+ {
+ .port = 9,
+ .pin = 5,
+ .cfg = RZV2H_MPXED_PIN_FUNCS(3) | PIN_CFG_SCHMIT_CTRL,
+ },
+ {
+ .port = 9,
+ .pin = 6,
+ .cfg = RZV2H_MPXED_PIN_FUNCS(3) | PIN_CFG_SCHMIT_CTRL,
+ },
+ {
+ .port = 9,
+ .pin = 7,
+ .cfg = RZV2H_MPXED_PIN_FUNCS(3) | PIN_CFG_SCHMIT_CTRL,
+ },
+ {
+ .port = 11,
+ .pin = 0,
+ .cfg = RZV2H_MPXED_PIN_FUNCS(2) | PIN_CFG_SCHMIT_CTRL,
+ },
+ {
+ .port = 11,
+ .pin = 1,
+ .cfg = RZV2H_MPXED_PIN_FUNCS(2) | PIN_CFG_SCHMIT_CTRL | PIN_CFG_IEN,
+ },
+ {
+ .port = 11,
+ .pin = 2,
+ .cfg = RZV2H_MPXED_PIN_FUNCS(2) | PIN_CFG_SCHMIT_CTRL | PIN_CFG_IEN,
+ },
+ {
+ .port = 11,
+ .pin = 3,
+ .cfg = RZV2H_MPXED_PIN_FUNCS(2) | PIN_CFG_SCHMIT_CTRL | PIN_CFG_IEN,
+ },
+ {
+ .port = 11,
+ .pin = 4,
+ .cfg = RZV2H_MPXED_PIN_FUNCS(2) | PIN_CFG_SCHMIT_CTRL | PIN_CFG_IEN,
+ },
+ {
+ .port = 11,
+ .pin = 5,
+ .cfg = RZV2H_MPXED_PIN_FUNCS(2) | PIN_CFG_SCHMIT_CTRL | PIN_CFG_IEN,
+ },
+};
+
#ifdef CONFIG_RISCV
static const struct rzg2l_variable_pin_cfg r9a07g043f_variable_pin_cfg[] = {
{
@@ -474,6 +575,19 @@ static void rzg2l_pmc_writeb(struct rzg2l_pinctrl *pctrl, u8 val, void __iomem *
writeb(val, addr);
}
+static void rzv2h_pmc_writeb(struct rzg2l_pinctrl *pctrl, u8 val, void __iomem *addr)
+{
+ const struct rzg2l_register_offsets *regs = &pctrl->data->hwcfg->regs;
+ u8 pwpr;
+
+ raw_spin_lock(&pctrl->pwpr_lock);
+ pwpr = readb(pctrl->base + regs->pwpr);
+ writeb(pwpr | PWPR_REGWE_A, pctrl->base + regs->pwpr);
+ writeb(val, addr);
+ writeb(pwpr & ~PWPR_REGWE_A, pctrl->base + regs->pwpr);
+ raw_spin_unlock(&pctrl->pwpr_lock);
+}
+
static void rzg2l_pinctrl_set_pfc_mode(struct rzg2l_pinctrl *pctrl,
u8 pin, u8 off, u8 func)
{
@@ -512,6 +626,47 @@ static void rzg2l_pinctrl_set_pfc_mode(struct rzg2l_pinctrl *pctrl,
spin_unlock_irqrestore(&pctrl->lock, flags);
};
+static void rzv2h_pinctrl_set_pfc_mode(struct rzg2l_pinctrl *pctrl,
+ u8 pin, u8 off, u8 func)
+{
+ const struct rzg2l_register_offsets *regs = &pctrl->data->hwcfg->regs;
+ unsigned long flags;
+ u32 reg;
+ u8 pwpr;
+
+ spin_lock_irqsave(&pctrl->lock, flags);
+
+ /* Set pin to 'Non-use (Hi-Z input protection)' */
+ reg = readw(pctrl->base + PM(off));
+ reg &= ~(PM_MASK << (pin * 2));
+ writew(reg, pctrl->base + PM(off));
+
+ /* Set the PWPR register to allow PFC and PMC register to write */
+ raw_spin_lock(&pctrl->pwpr_lock);
+ pwpr = readb(pctrl->base + regs->pwpr);
+ writeb(PWPR_PFCWE | pwpr, pctrl->base + regs->pwpr);
+
+ /* Temporarily switch to GPIO mode with PMC register */
+ reg = readb(pctrl->base + PMC(off));
+ writeb(reg & ~BIT(pin), pctrl->base + PMC(off));
+
+ /* Select Pin function mode with PFC register */
+ reg = readl(pctrl->base + PFC(off));
+ reg &= ~(PFC_MASK << (pin * 4));
+ writel(reg | (func << (pin * 4)), pctrl->base + PFC(off));
+
+ /* Switch to Peripheral pin function with PMC register */
+ reg = readb(pctrl->base + PMC(off));
+ writeb(reg | BIT(pin), pctrl->base + PMC(off));
+
+ /* Set the PWPR register to be write-protected */
+ pwpr = readb(pctrl->base + regs->pwpr);
+ writeb(pwpr & ~PWPR_PFCWE, pctrl->base + regs->pwpr);
+ raw_spin_unlock(&pctrl->pwpr_lock);
+
+ spin_unlock_irqrestore(&pctrl->lock, flags);
+};
+
static int rzg2l_pinctrl_set_mux(struct pinctrl_dev *pctldev,
unsigned int func_selector,
unsigned int group_selector)
@@ -1087,14 +1242,26 @@ static int rzg2l_write_oen(struct rzg2l_pinctrl *pctrl, u32 caps, u32 offset, u8
return 0;
}
+static u32 rzv2h_read_oen(struct rzg2l_pinctrl *pctrl, u32 caps, u32 offset, u8 pin)
+{
+ /* stub */
+ return 0;
+}
+
+static int rzv2h_write_oen(struct rzg2l_pinctrl *pctrl, u32 caps, u32 offset, u8 pin, u8 oen)
+{
+ /* stub */
+ return -EINVAL;
+}
+
static int rzg2l_pinctrl_pinconf_get(struct pinctrl_dev *pctldev,
unsigned int _pin,
unsigned long *config)
{
struct rzg2l_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev);
- enum pin_config_param param = pinconf_to_config_param(*config);
const struct rzg2l_hwcfg *hwcfg = pctrl->data->hwcfg;
const struct pinctrl_pin_desc *pin = &pctrl->desc.pins[_pin];
+ u32 param = pinconf_to_config_param(*config);
u64 *pin_data = pin->drv_data;
unsigned int arg = 0;
u32 off, cfg;
@@ -1180,6 +1347,30 @@ static int rzg2l_pinctrl_pinconf_get(struct pinctrl_dev *pctldev,
break;
}
+ case RENESAS_RZV2H_PIN_CONFIG_OUTPUT_IMPEDANCE: {
+ u8 val;
+
+ if (!(cfg & (PIN_CFG_IOLH_1 | PIN_CFG_IOLH_2 | PIN_CFG_IOLH_3 | PIN_CFG_IOLH_4)))
+ return -EINVAL;
+
+ val = rzg2l_read_pin_config(pctrl, IOLH(off), bit, IOLH_MASK);
+ switch (val) {
+ case 0:
+ arg = 1;
+ break;
+ case 1:
+ arg = 2;
+ break;
+ case 2:
+ arg = 4;
+ break;
+ default:
+ arg = 6;
+ break;
+ }
+ break;
+ }
+
default:
return -ENOTSUPP;
}
@@ -1199,9 +1390,9 @@ static int rzg2l_pinctrl_pinconf_set(struct pinctrl_dev *pctldev,
const struct rzg2l_hwcfg *hwcfg = pctrl->data->hwcfg;
struct rzg2l_pinctrl_pin_settings settings = pctrl->settings[_pin];
u64 *pin_data = pin->drv_data;
- enum pin_config_param param;
unsigned int i, arg, index;
u32 cfg, off;
+ u32 param;
int ret;
u8 bit;
@@ -1283,6 +1474,32 @@ static int rzg2l_pinctrl_pinconf_set(struct pinctrl_dev *pctldev,
rzg2l_rmw_pin_config(pctrl, IOLH(off), bit, IOLH_MASK, index);
break;
+ case RENESAS_RZV2H_PIN_CONFIG_OUTPUT_IMPEDANCE:
+ arg = pinconf_to_config_argument(_configs[i]);
+
+ if (!(cfg & (PIN_CFG_IOLH_1 | PIN_CFG_IOLH_2 |
+ PIN_CFG_IOLH_3 | PIN_CFG_IOLH_4)))
+ return -EINVAL;
+
+ switch (arg) {
+ case 1:
+ index = 0;
+ break;
+ case 2:
+ index = 1;
+ break;
+ case 4:
+ index = 2;
+ break;
+ case 6:
+ index = 3;
+ break;
+ default:
+ return -EINVAL;
+ }
+ rzg2l_rmw_pin_config(pctrl, IOLH(off), bit, IOLH_MASK, index);
+ break;
+
default:
return -EOPNOTSUPP;
}
@@ -1730,6 +1947,38 @@ static const u64 r9a08g045_gpio_configs[] = {
RZG2L_GPIO_PORT_PACK(6, 0x2a, RZG3S_MPXED_PIN_FUNCS(A)), /* P18 */
};
+static const char * const rzv2h_gpio_names[] = {
+ "P00", "P01", "P02", "P03", "P04", "P05", "P06", "P07",
+ "P10", "P11", "P12", "P13", "P14", "P15", "P16", "P17",
+ "P20", "P21", "P22", "P23", "P24", "P25", "P26", "P27",
+ "P30", "P31", "P32", "P33", "P34", "P35", "P36", "P37",
+ "P40", "P41", "P42", "P43", "P44", "P45", "P46", "P47",
+ "P50", "P51", "P52", "P53", "P54", "P55", "P56", "P57",
+ "P60", "P61", "P62", "P63", "P64", "P65", "P66", "P67",
+ "P70", "P71", "P72", "P73", "P74", "P75", "P76", "P77",
+ "P80", "P81", "P82", "P83", "P84", "P85", "P86", "P87",
+ "P90", "P91", "P92", "P93", "P94", "P95", "P96", "P97",
+ "PA0", "PA1", "PA2", "PA3", "PA4", "PA5", "PA6", "PA7",
+ "PB0", "PB1", "PB2", "PB3", "PB4", "PB5", "PB6", "PB7",
+};
+
+static const u64 r9a09g057_gpio_configs[] = {
+ RZG2L_GPIO_PORT_PACK(8, 0x20, RZV2H_MPXED_PIN_FUNCS(3) | PIN_CFG_SCHMIT_CTRL), /* P0 */
+ RZG2L_GPIO_PORT_PACK(6, 0x21, RZV2H_MPXED_PIN_FUNCS(3) | PIN_CFG_SCHMIT_CTRL), /* P1 */
+ RZG2L_GPIO_PORT_PACK(2, 0x22, RZV2H_MPXED_PIN_FUNCS(4)), /* P2 */
+ RZG2L_GPIO_PORT_PACK(8, 0x23, RZV2H_MPXED_PIN_FUNCS(3) | PIN_CFG_SCHMIT_CTRL), /* P3 */
+ RZG2L_GPIO_PORT_PACK(8, 0x24, RZV2H_MPXED_PIN_FUNCS(3) | PIN_CFG_SCHMIT_CTRL), /* P4 */
+ RZG2L_GPIO_PORT_PACK(8, 0x25, RZV2H_MPXED_PIN_FUNCS(3) | PIN_CFG_SCHMIT_CTRL), /* P5 */
+ RZG2L_GPIO_PORT_PACK(8, 0x26, RZV2H_MPXED_PIN_FUNCS(3) | PIN_CFG_SCHMIT_CTRL |
+ PIN_CFG_ELC), /* P6 */
+ RZG2L_GPIO_PORT_PACK(8, 0x27, RZV2H_MPXED_PIN_FUNCS(3) | PIN_CFG_SCHMIT_CTRL), /* P7 */
+ RZG2L_GPIO_PORT_PACK(8, 0x28, RZV2H_MPXED_PIN_FUNCS(3) | PIN_CFG_SCHMIT_CTRL |
+ PIN_CFG_ELC), /* P8 */
+ RZG2L_GPIO_PORT_PACK(8, 0x29, PIN_CFG_VARIABLE), /* P9 */
+ RZG2L_GPIO_PORT_PACK(8, 0x2a, RZV2H_MPXED_PIN_FUNCS(3) | PIN_CFG_SCHMIT_CTRL), /* PA */
+ RZG2L_GPIO_PORT_PACK(6, 0x2b, PIN_CFG_VARIABLE), /* PB */
+};
+
static const struct {
struct rzg2l_dedicated_configs common[35];
struct rzg2l_dedicated_configs rzg2l_pins[7];
@@ -1856,6 +2105,139 @@ static const struct rzg2l_dedicated_configs rzg3s_dedicated_pins[] = {
PIN_CFG_IO_VMC_SD1)) },
};
+static struct rzg2l_dedicated_configs rzv2h_dedicated_pins[] = {
+ { "NMI", RZG2L_SINGLE_PIN_PACK(0x1, 0, (PIN_CFG_FILONOFF | PIN_CFG_FILNUM |
+ PIN_CFG_FILCLKSEL)) },
+ { "TMS_SWDIO", RZG2L_SINGLE_PIN_PACK(0x3, 0, (PIN_CFG_IOLH_1 | PIN_CFG_SR |
+ PIN_CFG_IEN)) },
+ { "TDO", RZG2L_SINGLE_PIN_PACK(0x3, 2, (PIN_CFG_IOLH_1 | PIN_CFG_SR)) },
+ { "WDTUDFCA", RZG2L_SINGLE_PIN_PACK(0x5, 0, (PIN_CFG_IOLH_1 | PIN_CFG_SR |
+ PIN_CFG_PUPD)) },
+ { "WDTUDFCM", RZG2L_SINGLE_PIN_PACK(0x5, 1, (PIN_CFG_IOLH_1 | PIN_CFG_SR |
+ PIN_CFG_PUPD)) },
+ { "SCIF_RXD", RZG2L_SINGLE_PIN_PACK(0x6, 0, (PIN_CFG_IOLH_1 | PIN_CFG_SR |
+ PIN_CFG_PUPD)) },
+ { "SCIF_TXD", RZG2L_SINGLE_PIN_PACK(0x6, 1, (PIN_CFG_IOLH_1 | PIN_CFG_SR |
+ PIN_CFG_PUPD)) },
+ { "XSPI0_CKP", RZG2L_SINGLE_PIN_PACK(0x7, 0, (PIN_CFG_IOLH_2 | PIN_CFG_SR |
+ PIN_CFG_PUPD | PIN_CFG_OEN)) },
+ { "XSPI0_CKN", RZG2L_SINGLE_PIN_PACK(0x7, 1, (PIN_CFG_IOLH_2 | PIN_CFG_SR |
+ PIN_CFG_PUPD | PIN_CFG_OEN)) },
+ { "XSPI0_CS0N", RZG2L_SINGLE_PIN_PACK(0x7, 2, (PIN_CFG_IOLH_1 | PIN_CFG_SR |
+ PIN_CFG_PUPD | PIN_CFG_OEN)) },
+ { "XSPI0_DS", RZG2L_SINGLE_PIN_PACK(0x7, 3, (PIN_CFG_IOLH_2 | PIN_CFG_SR |
+ PIN_CFG_PUPD)) },
+ { "XSPI0_RESET0N", RZG2L_SINGLE_PIN_PACK(0x7, 4, (PIN_CFG_IOLH_1 | PIN_CFG_SR |
+ PIN_CFG_PUPD | PIN_CFG_OEN)) },
+ { "XSPI0_RSTO0N", RZG2L_SINGLE_PIN_PACK(0x7, 5, (PIN_CFG_PUPD)) },
+ { "XSPI0_INT0N", RZG2L_SINGLE_PIN_PACK(0x7, 6, (PIN_CFG_PUPD)) },
+ { "XSPI0_ECS0N", RZG2L_SINGLE_PIN_PACK(0x7, 7, (PIN_CFG_PUPD)) },
+ { "XSPI0_IO0", RZG2L_SINGLE_PIN_PACK(0x8, 0, (PIN_CFG_IOLH_2 | PIN_CFG_SR |
+ PIN_CFG_PUPD)) },
+ { "XSPI0_IO1", RZG2L_SINGLE_PIN_PACK(0x8, 1, (PIN_CFG_IOLH_2 | PIN_CFG_SR |
+ PIN_CFG_PUPD)) },
+ { "XSPI0_IO2", RZG2L_SINGLE_PIN_PACK(0x8, 2, (PIN_CFG_IOLH_2 | PIN_CFG_SR |
+ PIN_CFG_PUPD)) },
+ { "XSPI0_IO3", RZG2L_SINGLE_PIN_PACK(0x8, 3, (PIN_CFG_IOLH_2 | PIN_CFG_SR |
+ PIN_CFG_PUPD)) },
+ { "XSPI0_IO4", RZG2L_SINGLE_PIN_PACK(0x8, 4, (PIN_CFG_IOLH_2 | PIN_CFG_SR |
+ PIN_CFG_PUPD)) },
+ { "XSPI0_IO5", RZG2L_SINGLE_PIN_PACK(0x8, 5, (PIN_CFG_IOLH_2 | PIN_CFG_SR |
+ PIN_CFG_PUPD)) },
+ { "XSPI0_IO6", RZG2L_SINGLE_PIN_PACK(0x8, 6, (PIN_CFG_IOLH_2 | PIN_CFG_SR |
+ PIN_CFG_PUPD)) },
+ { "XSPI0_IO7", RZG2L_SINGLE_PIN_PACK(0x8, 7, (PIN_CFG_IOLH_2 | PIN_CFG_SR |
+ PIN_CFG_PUPD)) },
+ { "SD0CLK", RZG2L_SINGLE_PIN_PACK(0x9, 0, (PIN_CFG_IOLH_2 | PIN_CFG_SR)) },
+ { "SD0CMD", RZG2L_SINGLE_PIN_PACK(0x9, 1, (PIN_CFG_IOLH_2 | PIN_CFG_SR)) },
+ { "SD0RSTN", RZG2L_SINGLE_PIN_PACK(0x9, 2, (PIN_CFG_IOLH_2 | PIN_CFG_SR |
+ PIN_CFG_IEN | PIN_CFG_PUPD)) },
+ { "SD0DAT0", RZG2L_SINGLE_PIN_PACK(0xa, 0, (PIN_CFG_IOLH_2 | PIN_CFG_SR |
+ PIN_CFG_IEN | PIN_CFG_PUPD)) },
+ { "SD0DAT1", RZG2L_SINGLE_PIN_PACK(0xa, 1, (PIN_CFG_IOLH_2 | PIN_CFG_SR |
+ PIN_CFG_IEN | PIN_CFG_PUPD)) },
+ { "SD0DAT2", RZG2L_SINGLE_PIN_PACK(0xa, 2, (PIN_CFG_IOLH_2 | PIN_CFG_SR |
+ PIN_CFG_IEN | PIN_CFG_PUPD)) },
+ { "SD0DAT3", RZG2L_SINGLE_PIN_PACK(0xa, 3, (PIN_CFG_IOLH_2 | PIN_CFG_SR |
+ PIN_CFG_IEN | PIN_CFG_PUPD)) },
+ { "SD0DAT4", RZG2L_SINGLE_PIN_PACK(0xa, 4, (PIN_CFG_IOLH_2 | PIN_CFG_SR |
+ PIN_CFG_IEN | PIN_CFG_PUPD)) },
+ { "SD0DAT5", RZG2L_SINGLE_PIN_PACK(0xa, 5, (PIN_CFG_IOLH_2 | PIN_CFG_SR |
+ PIN_CFG_IEN | PIN_CFG_PUPD)) },
+ { "SD0DAT6", RZG2L_SINGLE_PIN_PACK(0xa, 6, (PIN_CFG_IOLH_2 | PIN_CFG_SR |
+ PIN_CFG_IOLH_2 | PIN_CFG_PUPD)) },
+ { "SD0DAT7", RZG2L_SINGLE_PIN_PACK(0xa, 7, (PIN_CFG_IOLH_2 | PIN_CFG_SR |
+ PIN_CFG_IEN | PIN_CFG_PUPD)) },
+ { "SD1_CLK", RZG2L_SINGLE_PIN_PACK(0xb, 0, (PIN_CFG_IOLH_2 | PIN_CFG_SR)) },
+ { "SD1_CMD", RZG2L_SINGLE_PIN_PACK(0xb, 1, (PIN_CFG_IOLH_2 | PIN_CFG_SR |
+ PIN_CFG_IEN | PIN_CFG_PUPD)) },
+ { "SD1_DAT0", RZG2L_SINGLE_PIN_PACK(0xc, 0, (PIN_CFG_IOLH_2 | PIN_CFG_SR |
+ PIN_CFG_IEN | PIN_CFG_PUPD)) },
+ { "SD1_DAT1", RZG2L_SINGLE_PIN_PACK(0xc, 1, (PIN_CFG_IOLH_2 | PIN_CFG_SR |
+ PIN_CFG_IEN | PIN_CFG_PUPD)) },
+ { "SD1_DAT2", RZG2L_SINGLE_PIN_PACK(0xc, 2, (PIN_CFG_IOLH_2 | PIN_CFG_SR |
+ PIN_CFG_IEN | PIN_CFG_PUPD)) },
+ { "SD1_DAT3", RZG2L_SINGLE_PIN_PACK(0xc, 3, (PIN_CFG_IOLH_2 | PIN_CFG_SR |
+ PIN_CFG_IEN | PIN_CFG_PUPD)) },
+ { "PCIE0_RSTOUTB", RZG2L_SINGLE_PIN_PACK(0xe, 0, (PIN_CFG_IOLH_1 | PIN_CFG_SR)) },
+ { "PCIE1_RSTOUTB", RZG2L_SINGLE_PIN_PACK(0xe, 1, (PIN_CFG_IOLH_1 | PIN_CFG_SR)) },
+ { "ET0_MDIO", RZG2L_SINGLE_PIN_PACK(0xf, 0, (PIN_CFG_IOLH_2 | PIN_CFG_SR |
+ PIN_CFG_IEN | PIN_CFG_PUPD)) },
+ { "ET0_MDC", RZG2L_SINGLE_PIN_PACK(0xf, 1, (PIN_CFG_IOLH_2 | PIN_CFG_SR |
+ PIN_CFG_PUPD)) },
+ { "ET0_RXCTL_RXDV", RZG2L_SINGLE_PIN_PACK(0x10, 0, (PIN_CFG_PUPD)) },
+ { "ET0_TXCTL_TXEN", RZG2L_SINGLE_PIN_PACK(0x10, 1, (PIN_CFG_IOLH_2 | PIN_CFG_SR |
+ PIN_CFG_PUPD)) },
+ { "ET0_TXER", RZG2L_SINGLE_PIN_PACK(0x10, 2, (PIN_CFG_IOLH_2 | PIN_CFG_SR |
+ PIN_CFG_PUPD)) },
+ { "ET0_RXER", RZG2L_SINGLE_PIN_PACK(0x10, 3, (PIN_CFG_PUPD)) },
+ { "ET0_RXC_RXCLK", RZG2L_SINGLE_PIN_PACK(0x10, 4, (PIN_CFG_PUPD)) },
+ { "ET0_TXC_TXCLK", RZG2L_SINGLE_PIN_PACK(0x10, 5, (PIN_CFG_IOLH_2 | PIN_CFG_SR |
+ PIN_CFG_PUPD | PIN_CFG_OEN)) },
+ { "ET0_CRS", RZG2L_SINGLE_PIN_PACK(0x10, 6, (PIN_CFG_PUPD)) },
+ { "ET0_COL", RZG2L_SINGLE_PIN_PACK(0x10, 7, (PIN_CFG_PUPD)) },
+ { "ET0_TXD0", RZG2L_SINGLE_PIN_PACK(0x11, 0, (PIN_CFG_IOLH_2 | PIN_CFG_SR |
+ PIN_CFG_PUPD)) },
+ { "ET0_TXD1", RZG2L_SINGLE_PIN_PACK(0x11, 1, (PIN_CFG_IOLH_2 | PIN_CFG_SR |
+ PIN_CFG_PUPD)) },
+ { "ET0_TXD2", RZG2L_SINGLE_PIN_PACK(0x11, 2, (PIN_CFG_IOLH_2 | PIN_CFG_SR |
+ PIN_CFG_PUPD)) },
+ { "ET0_TXD3", RZG2L_SINGLE_PIN_PACK(0x11, 3, (PIN_CFG_IOLH_2 | PIN_CFG_SR |
+ PIN_CFG_PUPD)) },
+ { "ET0_RXD0", RZG2L_SINGLE_PIN_PACK(0x11, 4, (PIN_CFG_PUPD)) },
+ { "ET0_RXD1", RZG2L_SINGLE_PIN_PACK(0x11, 5, (PIN_CFG_PUPD)) },
+ { "ET0_RXD2", RZG2L_SINGLE_PIN_PACK(0x11, 6, (PIN_CFG_PUPD)) },
+ { "ET0_RXD3", RZG2L_SINGLE_PIN_PACK(0x11, 7, (PIN_CFG_PUPD)) },
+ { "ET1_MDIO", RZG2L_SINGLE_PIN_PACK(0x12, 0, (PIN_CFG_IOLH_2 | PIN_CFG_SR |
+ PIN_CFG_SR | PIN_CFG_IEN |
+ PIN_CFG_PUPD)) },
+ { "ET1_MDC", RZG2L_SINGLE_PIN_PACK(0x12, 1, (PIN_CFG_IOLH_2 | PIN_CFG_SR |
+ PIN_CFG_PUPD)) },
+ { "ET1_RXCTL_RXDV", RZG2L_SINGLE_PIN_PACK(0x13, 0, (PIN_CFG_PUPD)) },
+ { "ET1_TXCTL_TXEN", RZG2L_SINGLE_PIN_PACK(0x13, 1, (PIN_CFG_IOLH_2 | PIN_CFG_SR |
+ PIN_CFG_PUPD)) },
+ { "ET1_TXER", RZG2L_SINGLE_PIN_PACK(0x13, 2, (PIN_CFG_IOLH_2 | PIN_CFG_SR |
+ PIN_CFG_PUPD)) },
+ { "ET1_RXER", RZG2L_SINGLE_PIN_PACK(0x13, 3, (PIN_CFG_PUPD)) },
+ { "ET1_RXC_RXCLK", RZG2L_SINGLE_PIN_PACK(0x13, 4, (PIN_CFG_PUPD)) },
+ { "ET1_TXC_TXCLK", RZG2L_SINGLE_PIN_PACK(0x13, 5, (PIN_CFG_IOLH_2 | PIN_CFG_SR |
+ PIN_CFG_PUPD | PIN_CFG_OEN)) },
+ { "ET1_CRS", RZG2L_SINGLE_PIN_PACK(0x13, 6, (PIN_CFG_PUPD)) },
+ { "ET1_COL", RZG2L_SINGLE_PIN_PACK(0x13, 7, (PIN_CFG_PUPD)) },
+ { "ET1_TXD0", RZG2L_SINGLE_PIN_PACK(0x14, 0, (PIN_CFG_IOLH_2 | PIN_CFG_SR |
+ PIN_CFG_PUPD)) },
+ { "ET1_TXD1", RZG2L_SINGLE_PIN_PACK(0x14, 1, (PIN_CFG_IOLH_2 | PIN_CFG_SR |
+ PIN_CFG_PUPD)) },
+ { "ET1_TXD2", RZG2L_SINGLE_PIN_PACK(0x14, 2, (PIN_CFG_IOLH_2 | PIN_CFG_SR |
+ PIN_CFG_PUPD)) },
+ { "ET1_TXD3", RZG2L_SINGLE_PIN_PACK(0x14, 3, (PIN_CFG_IOLH_2 | PIN_CFG_SR |
+ PIN_CFG_PUPD)) },
+ { "ET1_RXD0", RZG2L_SINGLE_PIN_PACK(0x14, 4, (PIN_CFG_PUPD)) },
+ { "ET1_RXD1", RZG2L_SINGLE_PIN_PACK(0x14, 5, (PIN_CFG_PUPD)) },
+ { "ET1_RXD2", RZG2L_SINGLE_PIN_PACK(0x14, 6, (PIN_CFG_PUPD)) },
+ { "ET1_RXD3", RZG2L_SINGLE_PIN_PACK(0x14, 7, (PIN_CFG_PUPD)) },
+};
+
static int rzg2l_gpio_get_gpioint(unsigned int virq, struct rzg2l_pinctrl *pctrl)
{
const struct pinctrl_pin_desc *pin_desc = &pctrl->desc.pins[virq];
@@ -2380,6 +2762,9 @@ static int rzg2l_pinctrl_probe(struct platform_device *pdev)
BUILD_BUG_ON(ARRAY_SIZE(r9a08g045_gpio_configs) * RZG2L_PINS_PER_PORT >
ARRAY_SIZE(rzg2l_gpio_names));
+ BUILD_BUG_ON(ARRAY_SIZE(r9a09g057_gpio_configs) * RZG2L_PINS_PER_PORT >
+ ARRAY_SIZE(rzv2h_gpio_names));
+
pctrl = devm_kzalloc(&pdev->dev, sizeof(*pctrl), GFP_KERNEL);
if (!pctrl)
return -ENOMEM;
@@ -2402,6 +2787,7 @@ static int rzg2l_pinctrl_probe(struct platform_device *pdev)
spin_lock_init(&pctrl->lock);
spin_lock_init(&pctrl->bitmap_lock);
+ raw_spin_lock_init(&pctrl->pwpr_lock);
mutex_init(&pctrl->mutex);
atomic_set(&pctrl->wakeup_path, 0);
@@ -2578,6 +2964,65 @@ static void rzg2l_pinctrl_pm_setup_pfc(struct rzg2l_pinctrl *pctrl)
writel(PWPR_B0WI, pctrl->base + regs->pwpr); /* B0WI=1, PFCWE=0 */
}
+static void rzv2h_pinctrl_pm_setup_pfc(struct rzg2l_pinctrl *pctrl)
+{
+ u32 nports = pctrl->data->n_port_pins / RZG2L_PINS_PER_PORT;
+ const struct rzg2l_hwcfg *hwcfg = pctrl->data->hwcfg;
+ const struct rzg2l_register_offsets *regs = &hwcfg->regs;
+ u8 pwpr;
+
+ /* Set the PWPR register to allow PFC + PMC register to write. */
+ raw_spin_lock(&pctrl->pwpr_lock);
+ pwpr = readb(pctrl->base + regs->pwpr);
+ writeb(pwpr | PWPR_REGWE_A, pctrl->base + regs->pwpr); /* REGWE_A=1 */
+
+ /* Restore port registers. */
+ for (u32 port = 0; port < nports; port++) {
+ unsigned long pinmap;
+ u8 pmc = 0, max_pin;
+ u32 off, pfc = 0;
+ u64 cfg;
+ u16 pm;
+ u8 pin;
+
+ cfg = pctrl->data->port_pin_configs[port];
+ off = RZG2L_PIN_CFG_TO_PORT_OFFSET(cfg);
+ pinmap = FIELD_GET(PIN_CFG_PIN_MAP_MASK, cfg);
+ max_pin = fls(pinmap);
+
+ pm = readw(pctrl->base + PM(off));
+ for_each_set_bit(pin, &pinmap, max_pin) {
+ struct rzg2l_pinctrl_reg_cache *cache = pctrl->cache;
+
+ /* Nothing to do if PFC was not configured before. */
+ if (!(cache->pmc[port] & BIT(pin)))
+ continue;
+
+ /* Set pin to 'Non-use (Hi-Z input protection)' */
+ pm &= ~(PM_MASK << (pin * 2));
+ writew(pm, pctrl->base + PM(off));
+
+ /* Temporarily switch to GPIO mode with PMC register */
+ pmc &= ~BIT(pin);
+ writeb(pmc, pctrl->base + PMC(off));
+
+ /* Select Pin function mode. */
+ pfc &= ~(PFC_MASK << (pin * 4));
+ pfc |= (cache->pfc[port] & (PFC_MASK << (pin * 4)));
+ writel(pfc, pctrl->base + PFC(off));
+
+ /* Switch to Peripheral pin function. */
+ pmc |= BIT(pin);
+ writeb(pmc, pctrl->base + PMC(off));
+ }
+ }
+
+ /* Set the PWPR register to be write-protected. */
+ pwpr = readb(pctrl->base + regs->pwpr);
+ writeb(pwpr & ~PWPR_REGWE_A, pctrl->base + regs->pwpr); /* REGWE_A=0 */
+ raw_spin_unlock(&pctrl->pwpr_lock);
+}
+
static int rzg2l_pinctrl_suspend_noirq(struct device *dev)
{
struct rzg2l_pinctrl *pctrl = dev_get_drvdata(dev);
@@ -2682,6 +3127,14 @@ static const struct rzg2l_hwcfg rzg3s_hwcfg = {
.oen_max_port = 7, /* P7_1 is the maximum OEN port. */
};
+static const struct rzg2l_hwcfg rzv2h_hwcfg = {
+ .regs = {
+ .pwpr = 0x3c04,
+ .sd_ch = 0x0,
+ .eth_poc = 0x0,
+ },
+};
+
static struct rzg2l_pinctrl_data r9a07g043_data = {
.port_pins = rzg2l_gpio_names,
.port_pin_configs = r9a07g043_gpio_configs,
@@ -2732,6 +3185,28 @@ static struct rzg2l_pinctrl_data r9a08g045_data = {
.write_oen = &rzg2l_write_oen,
};
+static struct rzg2l_pinctrl_data r9a09g057_data = {
+ .port_pins = rzv2h_gpio_names,
+ .port_pin_configs = r9a09g057_gpio_configs,
+ .n_ports = ARRAY_SIZE(r9a09g057_gpio_configs),
+ .dedicated_pins = rzv2h_dedicated_pins,
+ .n_port_pins = ARRAY_SIZE(r9a09g057_gpio_configs) * RZG2L_PINS_PER_PORT,
+ .n_dedicated_pins = ARRAY_SIZE(rzv2h_dedicated_pins),
+ .hwcfg = &rzv2h_hwcfg,
+ .variable_pin_cfg = r9a09g057_variable_pin_cfg,
+ .n_variable_pin_cfg = ARRAY_SIZE(r9a09g057_variable_pin_cfg),
+ .num_custom_params = ARRAY_SIZE(renesas_rzv2h_custom_bindings),
+ .custom_params = renesas_rzv2h_custom_bindings,
+#ifdef CONFIG_DEBUG_FS
+ .custom_conf_items = renesas_rzv2h_conf_items,
+#endif
+ .set_pfc_mode = &rzv2h_pinctrl_set_pfc_mode,
+ .pm_set_pfc = &rzv2h_pinctrl_pm_setup_pfc,
+ .pmc_writeb = &rzv2h_pmc_writeb,
+ .read_oen = &rzv2h_read_oen,
+ .write_oen = &rzv2h_write_oen,
+};
+
static const struct of_device_id rzg2l_pinctrl_of_table[] = {
{
.compatible = "renesas,r9a07g043-pinctrl",
@@ -2745,6 +3220,10 @@ static const struct of_device_id rzg2l_pinctrl_of_table[] = {
.compatible = "renesas,r9a08g045-pinctrl",
.data = &r9a08g045_data,
},
+ {
+ .compatible = "renesas,r9a09g057-pinctrl",
+ .data = &r9a09g057_data,
+ },
{ /* sentinel */ }
};
--
2.34.1
[RFC PATCH 13/13] pinctrl: renesas: pinctrl-rzg2l: Add support for RZ/V2H SoC
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
- Subject: [RFC PATCH 13/13] pinctrl: renesas: pinctrl-rzg2l: Add support for RZ/V2H SoC
- From: Prabhakar <prabhakar.csengg@xxxxxxxxx>
- Date: Tue, 26 Mar 2024 22:28:44 +0000
- In-reply-to: <20240326222844.1422948-1-prabhakar.mahadev-lad.rj@bp.renesas.com>
- References: <20240326222844.1422948-1-prabhakar.mahadev-lad.rj@bp.renesas.com>
- Follow-Ups:
- Re: [RFC PATCH 13/13] pinctrl: renesas: pinctrl-rzg2l: Add support for RZ/V2H SoC
- From: claudiu beznea
- Re: [RFC PATCH 13/13] pinctrl: renesas: pinctrl-rzg2l: Add support for RZ/V2H SoC
- References:
- [RFC PATCH 00/13] Add PFC support for Renesas RZ/V2H(P) SoC
- From: Prabhakar
- [RFC PATCH 00/13] Add PFC support for Renesas RZ/V2H(P) SoC
- Prev by Date: [RFC PATCH 12/13] pinctrl: renesas: pinctrl-rzg2l: Add support to pass custom params
- Next by Date: [brgl:gpio/for-current] BUILD SUCCESS 5c887b65bbd1a3fc28e2e20399acede0baa83edb
- Previous by thread: [RFC PATCH 12/13] pinctrl: renesas: pinctrl-rzg2l: Add support to pass custom params
- Next by thread: Re: [RFC PATCH 13/13] pinctrl: renesas: pinctrl-rzg2l: Add support for RZ/V2H SoC
- Index(es):
 |