diff options
Diffstat (limited to 'drivers/pinctrl/renesas/pfc-r8a77995.c')
| -rw-r--r-- | drivers/pinctrl/renesas/pfc-r8a77995.c | 320 |
1 files changed, 312 insertions, 8 deletions
diff --git a/drivers/pinctrl/renesas/pfc-r8a77995.c b/drivers/pinctrl/renesas/pfc-r8a77995.c index b479f87a3b23..c56e1e4c13b3 100644 --- a/drivers/pinctrl/renesas/pfc-r8a77995.c +++ b/drivers/pinctrl/renesas/pfc-r8a77995.c @@ -14,16 +14,27 @@ #include <linux/errno.h> #include <linux/kernel.h> +#include "core.h" #include "sh_pfc.h" -#define CPU_ALL_GP(fn, sfx) \ - PORT_GP_9(0, fn, sfx), \ - PORT_GP_32(1, fn, sfx), \ - PORT_GP_32(2, fn, sfx), \ - PORT_GP_CFG_10(3, fn, sfx, SH_PFC_PIN_CFG_IO_VOLTAGE), \ - PORT_GP_32(4, fn, sfx), \ - PORT_GP_21(5, fn, sfx), \ - PORT_GP_14(6, fn, sfx) +#define CPU_ALL_GP(fn, sfx) \ + PORT_GP_CFG_9(0, fn, sfx, SH_PFC_PIN_CFG_PULL_UP_DOWN), \ + PORT_GP_CFG_32(1, fn, sfx, SH_PFC_PIN_CFG_PULL_UP_DOWN), \ + PORT_GP_CFG_32(2, fn, sfx, SH_PFC_PIN_CFG_PULL_UP_DOWN), \ + PORT_GP_CFG_10(3, fn, sfx, SH_PFC_PIN_CFG_IO_VOLTAGE | SH_PFC_PIN_CFG_PULL_UP_DOWN), \ + PORT_GP_CFG_32(4, fn, sfx, SH_PFC_PIN_CFG_PULL_UP_DOWN), \ + PORT_GP_CFG_21(5, fn, sfx, SH_PFC_PIN_CFG_PULL_UP_DOWN), \ + PORT_GP_CFG_14(6, fn, sfx, SH_PFC_PIN_CFG_PULL_UP_DOWN) + +#define CPU_ALL_NOGP(fn) \ + PIN_NOGP_CFG(DU_DOTCLKIN0, "DU_DOTCLKIN0", fn, SH_PFC_PIN_CFG_PULL_DOWN), \ + PIN_NOGP_CFG(FSCLKST_N, "FSCLKST#", fn, SH_PFC_PIN_CFG_PULL_UP_DOWN), \ + PIN_NOGP_CFG(MLB_REF, "MLB_REF", fn, SH_PFC_PIN_CFG_PULL_UP_DOWN), \ + PIN_NOGP_CFG(PRESETOUT_N, "PRESETOUT#", fn, SH_PFC_PIN_CFG_PULL_UP_DOWN), \ + PIN_NOGP_CFG(TCK, "TCK", fn, SH_PFC_PIN_CFG_PULL_UP), \ + PIN_NOGP_CFG(TDI, "TDI", fn, SH_PFC_PIN_CFG_PULL_UP), \ + PIN_NOGP_CFG(TMS, "TMS", fn, SH_PFC_PIN_CFG_PULL_UP), \ + PIN_NOGP_CFG(TRST_N, "TRST#", fn, SH_PFC_PIN_CFG_PULL_UP) /* * F_() : just information @@ -930,8 +941,17 @@ static const u16 pinmux_data[] = { PINMUX_IPSR_GPSR(IP13_7_4, TPU0TO3_A), }; +/* + * Pins not associated with a GPIO port. + */ +enum { + GP_ASSIGN_LAST(), + NOGP_ALL(), +}; + static const struct sh_pfc_pin pinmux_pins[] = { PINMUX_GPIO_GP_ALL(), + PINMUX_NOGP_ALL(), }; /* - AUDIO CLOCK ------------------------------------------------------------- */ @@ -2834,6 +2854,214 @@ static int r8a77995_pin_to_pocctrl(struct sh_pfc *pfc, unsigned int pin, u32 *po return bit; } +static const struct pinmux_bias_reg pinmux_bias_regs[] = { + { PINMUX_BIAS_REG("PUEN0", 0xe6060400, "PUD0", 0xe6060440) { + [ 0] = RCAR_GP_PIN(1, 9), /* DU_DG1 */ + [ 1] = RCAR_GP_PIN(1, 8), /* DU_DG0 */ + [ 2] = RCAR_GP_PIN(1, 7), /* DU_DB7 */ + [ 3] = RCAR_GP_PIN(1, 6), /* DU_DB6 */ + [ 4] = RCAR_GP_PIN(1, 5), /* DU_DB5 */ + [ 5] = RCAR_GP_PIN(1, 4), /* DU_DB4 */ + [ 6] = RCAR_GP_PIN(1, 3), /* DU_DB3 */ + [ 7] = RCAR_GP_PIN(1, 2), /* DU_DB2 */ + [ 8] = RCAR_GP_PIN(1, 1), /* DU_DB1 */ + [ 9] = RCAR_GP_PIN(1, 0), /* DU_DB0 */ + [10] = PIN_MLB_REF, /* MLB_REF */ + [11] = RCAR_GP_PIN(0, 8), /* MLB_SIG */ + [12] = RCAR_GP_PIN(0, 7), /* MLB_DAT */ + [13] = RCAR_GP_PIN(0, 6), /* MLB_CLK */ + [14] = RCAR_GP_PIN(0, 5), /* MSIOF2_RXD */ + [15] = RCAR_GP_PIN(0, 4), /* MSIOF2_TXD */ + [16] = RCAR_GP_PIN(0, 3), /* MSIOF2_SCK */ + [17] = RCAR_GP_PIN(0, 2), /* IRQ0_A */ + [18] = RCAR_GP_PIN(0, 1), /* USB0_OVC */ + [19] = RCAR_GP_PIN(0, 0), /* USB0_PWEN */ + [20] = PIN_PRESETOUT_N, /* PRESETOUT# */ + [21] = PIN_DU_DOTCLKIN0, /* DU_DOTCLKIN0 */ + [22] = PIN_FSCLKST_N, /* FSCLKST# */ + [23] = SH_PFC_PIN_NONE, + [24] = SH_PFC_PIN_NONE, + [25] = SH_PFC_PIN_NONE, + [26] = SH_PFC_PIN_NONE, + [27] = SH_PFC_PIN_NONE, + [28] = PIN_TDI, /* TDI */ + [29] = PIN_TMS, /* TMS */ + [30] = PIN_TCK, /* TCK */ + [31] = PIN_TRST_N, /* TRST# */ + } }, + { PINMUX_BIAS_REG("PUEN1", 0xe6060404, "PUD1", 0xe6060444) { + [ 0] = RCAR_GP_PIN(2, 9), /* VI4_DATA8 */ + [ 1] = RCAR_GP_PIN(2, 8), /* VI4_DATA7 */ + [ 2] = RCAR_GP_PIN(2, 7), /* VI4_DATA6 */ + [ 3] = RCAR_GP_PIN(2, 6), /* VI4_DATA5 */ + [ 4] = RCAR_GP_PIN(2, 5), /* VI4_DATA4 */ + [ 5] = RCAR_GP_PIN(2, 4), /* VI4_DATA3 */ + [ 6] = RCAR_GP_PIN(2, 3), /* VI4_DATA2 */ + [ 7] = RCAR_GP_PIN(2, 2), /* VI4_DATA1 */ + [ 8] = RCAR_GP_PIN(2, 1), /* VI4_DATA0 */ + [ 9] = RCAR_GP_PIN(2, 0), /* VI4_CLK */ + [10] = RCAR_GP_PIN(1, 31), /* QPOLB */ + [11] = RCAR_GP_PIN(1, 30), /* QPOLA */ + [12] = RCAR_GP_PIN(1, 29), /* DU_CDE */ + [13] = RCAR_GP_PIN(1, 28), /* DU_DISP/CDE */ + [14] = RCAR_GP_PIN(1, 27), /* DU_DISP */ + [15] = RCAR_GP_PIN(1, 26), /* DU_VSYNC */ + [16] = RCAR_GP_PIN(1, 25), /* DU_HSYNC */ + [17] = RCAR_GP_PIN(1, 24), /* DU_DOTCLKOUT0 */ + [18] = RCAR_GP_PIN(1, 23), /* DU_DR7 */ + [19] = RCAR_GP_PIN(1, 22), /* DU_DR6 */ + [20] = RCAR_GP_PIN(1, 21), /* DU_DR5 */ + [21] = RCAR_GP_PIN(1, 20), /* DU_DR4 */ + [22] = RCAR_GP_PIN(1, 19), /* DU_DR3 */ + [23] = RCAR_GP_PIN(1, 18), /* DU_DR2 */ + [24] = RCAR_GP_PIN(1, 17), /* DU_DR1 */ + [25] = RCAR_GP_PIN(1, 16), /* DU_DR0 */ + [26] = RCAR_GP_PIN(1, 15), /* DU_DG7 */ + [27] = RCAR_GP_PIN(1, 14), /* DU_DG6 */ + [28] = RCAR_GP_PIN(1, 13), /* DU_DG5 */ + [29] = RCAR_GP_PIN(1, 12), /* DU_DG4 */ + [30] = RCAR_GP_PIN(1, 11), /* DU_DG3 */ + [31] = RCAR_GP_PIN(1, 10), /* DU_DG2 */ + } }, + { PINMUX_BIAS_REG("PUEN2", 0xe6060408, "PUD2", 0xe6060448) { + [ 0] = RCAR_GP_PIN(3, 8), /* NFDATA6 */ + [ 1] = RCAR_GP_PIN(3, 7), /* NFDATA5 */ + [ 2] = RCAR_GP_PIN(3, 6), /* NFDATA4 */ + [ 3] = RCAR_GP_PIN(3, 5), /* NFDATA3 */ + [ 4] = RCAR_GP_PIN(3, 4), /* NFDATA2 */ + [ 5] = RCAR_GP_PIN(3, 3), /* NFDATA1 */ + [ 6] = RCAR_GP_PIN(3, 2), /* NFDATA0 */ + [ 7] = RCAR_GP_PIN(3, 1), /* NFWE# (PUEN) / NFRE# (PUD) */ + [ 8] = RCAR_GP_PIN(3, 0), /* NFRE# (PUEN) / NFWE# (PUD) */ + [ 9] = RCAR_GP_PIN(4, 0), /* NFRB# */ + [10] = RCAR_GP_PIN(2, 31), /* NFCE# */ + [11] = RCAR_GP_PIN(2, 30), /* NFCLE */ + [12] = RCAR_GP_PIN(2, 29), /* NFALE */ + [13] = RCAR_GP_PIN(2, 28), /* VI4_CLKENB */ + [14] = RCAR_GP_PIN(2, 27), /* VI4_FIELD */ + [15] = RCAR_GP_PIN(2, 26), /* VI4_HSYNC# */ + [16] = RCAR_GP_PIN(2, 25), /* VI4_VSYNC# */ + [17] = RCAR_GP_PIN(2, 24), /* VI4_DATA23 */ + [18] = RCAR_GP_PIN(2, 23), /* VI4_DATA22 */ + [19] = RCAR_GP_PIN(2, 22), /* VI4_DATA21 */ + [20] = RCAR_GP_PIN(2, 21), /* VI4_DATA20 */ + [21] = RCAR_GP_PIN(2, 20), /* VI4_DATA19 */ + [22] = RCAR_GP_PIN(2, 19), /* VI4_DATA18 */ + [23] = RCAR_GP_PIN(2, 18), /* VI4_DATA17 */ + [24] = RCAR_GP_PIN(2, 17), /* VI4_DATA16 */ + [25] = RCAR_GP_PIN(2, 16), /* VI4_DATA15 */ + [26] = RCAR_GP_PIN(2, 15), /* VI4_DATA14 */ + [27] = RCAR_GP_PIN(2, 14), /* VI4_DATA13 */ + [28] = RCAR_GP_PIN(2, 13), /* VI4_DATA12 */ + [29] = RCAR_GP_PIN(2, 12), /* VI4_DATA11 */ + [30] = RCAR_GP_PIN(2, 11), /* VI4_DATA10 */ + [31] = RCAR_GP_PIN(2, 10), /* VI4_DATA9 */ + } }, + { PINMUX_BIAS_REG("PUEN3", 0xe606040c, "PUD3", 0xe606044c) { + [ 0] = RCAR_GP_PIN(4, 31), /* CAN0_RX_A */ + [ 1] = RCAR_GP_PIN(5, 2), /* CAN_CLK */ + [ 2] = RCAR_GP_PIN(5, 1), /* TPU0TO1_A */ + [ 3] = RCAR_GP_PIN(5, 0), /* TPU0TO0_A */ + [ 4] = RCAR_GP_PIN(4, 27), /* TX2 */ + [ 5] = RCAR_GP_PIN(4, 26), /* RX2 */ + [ 6] = RCAR_GP_PIN(4, 25), /* SCK2 */ + [ 7] = RCAR_GP_PIN(4, 24), /* TX1_A */ + [ 8] = RCAR_GP_PIN(4, 23), /* RX1_A */ + [ 9] = RCAR_GP_PIN(4, 22), /* SCK1_A */ + [10] = RCAR_GP_PIN(4, 21), /* TX0_A */ + [11] = RCAR_GP_PIN(4, 20), /* RX0_A */ + [12] = RCAR_GP_PIN(4, 19), /* SCK0_A */ + [13] = RCAR_GP_PIN(4, 18), /* MSIOF1_RXD */ + [14] = RCAR_GP_PIN(4, 17), /* MSIOF1_TXD */ + [15] = RCAR_GP_PIN(4, 16), /* MSIOF1_SCK */ + [16] = RCAR_GP_PIN(4, 15), /* MSIOF0_RXD */ + [17] = RCAR_GP_PIN(4, 14), /* MSIOF0_TXD */ + [18] = RCAR_GP_PIN(4, 13), /* MSIOF0_SYNC */ + [19] = RCAR_GP_PIN(4, 12), /* MSIOF0_SCK */ + [20] = RCAR_GP_PIN(4, 11), /* SDA1 */ + [21] = RCAR_GP_PIN(4, 10), /* SCL1 */ + [22] = RCAR_GP_PIN(4, 9), /* SDA0 */ + [23] = RCAR_GP_PIN(4, 8), /* SCL0 */ + [24] = RCAR_GP_PIN(4, 7), /* SSI_WS4_A */ + [25] = RCAR_GP_PIN(4, 6), /* SSI_SDATA4_A */ + [26] = RCAR_GP_PIN(4, 5), /* SSI_SCK4_A */ + [27] = RCAR_GP_PIN(4, 4), /* SSI_WS34 */ + [28] = RCAR_GP_PIN(4, 3), /* SSI_SDATA3 */ + [29] = RCAR_GP_PIN(4, 2), /* SSI_SCK34 */ + [30] = RCAR_GP_PIN(4, 1), /* AUDIO_CLKA */ + [31] = RCAR_GP_PIN(3, 9), /* NFDATA7 */ + } }, + { PINMUX_BIAS_REG("PUEN4", 0xe6060410, "PUD4", 0xe6060450) { + [ 0] = RCAR_GP_PIN(6, 10), /* QSPI1_IO3 */ + [ 1] = RCAR_GP_PIN(6, 9), /* QSPI1_IO2 */ + [ 2] = RCAR_GP_PIN(6, 8), /* QSPI1_MISO_IO1 */ + [ 3] = RCAR_GP_PIN(6, 7), /* QSPI1_MOSI_IO0 */ + [ 4] = RCAR_GP_PIN(6, 6), /* QSPI1_SPCLK */ + [ 5] = RCAR_GP_PIN(6, 5), /* QSPI0_SSL */ + [ 6] = RCAR_GP_PIN(6, 4), /* QSPI0_IO3 */ + [ 7] = RCAR_GP_PIN(6, 3), /* QSPI0_IO2 */ + [ 8] = RCAR_GP_PIN(6, 2), /* QSPI0_MISO_IO1 */ + [ 9] = RCAR_GP_PIN(6, 1), /* QSPI0_MOSI_IO0 */ + [10] = RCAR_GP_PIN(6, 0), /* QSPI0_SPCLK */ + [11] = RCAR_GP_PIN(5, 20), /* AVB0_LINK */ + [12] = RCAR_GP_PIN(5, 19), /* AVB0_PHY_INT */ + [13] = RCAR_GP_PIN(5, 18), /* AVB0_MAGIC */ + [14] = RCAR_GP_PIN(5, 17), /* AVB0_MDC */ + [15] = RCAR_GP_PIN(5, 16), /* AVB0_MDIO */ + [16] = RCAR_GP_PIN(5, 15), /* AVB0_TXCREFCLK */ + [17] = RCAR_GP_PIN(5, 14), /* AVB0_TD3 */ + [18] = RCAR_GP_PIN(5, 13), /* AVB0_TD2 */ + [19] = RCAR_GP_PIN(5, 12), /* AVB0_TD1 */ + [20] = RCAR_GP_PIN(5, 11), /* AVB0_TD0 */ + [21] = RCAR_GP_PIN(5, 10), /* AVB0_TXC */ + [22] = RCAR_GP_PIN(5, 9), /* AVB0_TX_CTL */ + [23] = RCAR_GP_PIN(5, 8), /* AVB0_RD3 */ + [24] = RCAR_GP_PIN(5, 7), /* AVB0_RD2 */ + [25] = RCAR_GP_PIN(5, 6), /* AVB0_RD1 */ + [26] = RCAR_GP_PIN(5, 5), /* AVB0_RD0 */ + [27] = RCAR_GP_PIN(5, 4), /* AVB0_RXC */ + [28] = RCAR_GP_PIN(5, 3), /* AVB0_RX_CTL */ + [29] = RCAR_GP_PIN(4, 30), /* CAN1_TX_A */ + [30] = RCAR_GP_PIN(4, 29), /* CAN1_RX_A */ + [31] = RCAR_GP_PIN(4, 28), /* CAN0_TX_A */ + } }, + { PINMUX_BIAS_REG("PUEN5", 0xe6060414, "PUD4", 0xe6060454) { + [ 0] = SH_PFC_PIN_NONE, + [ 1] = SH_PFC_PIN_NONE, + [ 2] = SH_PFC_PIN_NONE, + [ 3] = SH_PFC_PIN_NONE, + [ 4] = SH_PFC_PIN_NONE, + [ 5] = SH_PFC_PIN_NONE, + [ 6] = SH_PFC_PIN_NONE, + [ 7] = SH_PFC_PIN_NONE, + [ 8] = SH_PFC_PIN_NONE, + [ 9] = SH_PFC_PIN_NONE, + [10] = SH_PFC_PIN_NONE, + [11] = SH_PFC_PIN_NONE, + [12] = SH_PFC_PIN_NONE, + [13] = SH_PFC_PIN_NONE, + [14] = SH_PFC_PIN_NONE, + [15] = SH_PFC_PIN_NONE, + [16] = SH_PFC_PIN_NONE, + [17] = SH_PFC_PIN_NONE, + [18] = SH_PFC_PIN_NONE, + [19] = SH_PFC_PIN_NONE, + [20] = SH_PFC_PIN_NONE, + [21] = SH_PFC_PIN_NONE, + [22] = SH_PFC_PIN_NONE, + [23] = SH_PFC_PIN_NONE, + [24] = SH_PFC_PIN_NONE, + [25] = SH_PFC_PIN_NONE, + [26] = SH_PFC_PIN_NONE, + [27] = SH_PFC_PIN_NONE, + [28] = SH_PFC_PIN_NONE, + [29] = RCAR_GP_PIN(6, 13), /* RPC_INT# */ + [30] = RCAR_GP_PIN(6, 12), /* RPC_RESET# */ + [31] = RCAR_GP_PIN(6, 11), /* QSPI1_SSL */ + } }, + { /* sentinel */ } +}; + enum ioctrl_regs { TDSELCTRL, }; @@ -2843,8 +3071,83 @@ static const struct pinmux_ioctrl_reg pinmux_ioctrl_regs[] = { { /* sentinel */ }, }; +static const struct pinmux_bias_reg * +r8a77995_pin_to_bias_reg(const struct sh_pfc *pfc, unsigned int pin, + unsigned int *puen_bit, unsigned int *pud_bit) +{ + const struct pinmux_bias_reg *reg; + unsigned int bit; + + reg = rcar_pin_to_bias_reg(pfc, pin, &bit); + if (!reg) + return reg; + + *puen_bit = bit; + + /* NFWE# and NFRE# use different bit positions in PUD2 */ + switch (pin) { + case RCAR_GP_PIN(3, 0): /* NFRE# */ + *pud_bit = 7; + break; + + case RCAR_GP_PIN(3, 1): /* NFWE# */ + *pud_bit = 8; + break; + + default: + *pud_bit = bit; + break; + } + + return reg; +} + +static unsigned int r8a77995_pinmux_get_bias(struct sh_pfc *pfc, + unsigned int pin) +{ + const struct pinmux_bias_reg *reg; + unsigned int puen_bit, pud_bit; + + reg = r8a77995_pin_to_bias_reg(pfc, pin, &puen_bit, &pud_bit); + if (!reg) + return PIN_CONFIG_BIAS_DISABLE; + + if (!(sh_pfc_read(pfc, reg->puen) & BIT(puen_bit))) + return PIN_CONFIG_BIAS_DISABLE; + else if (sh_pfc_read(pfc, reg->pud) & BIT(pud_bit)) + return PIN_CONFIG_BIAS_PULL_UP; + else + return PIN_CONFIG_BIAS_PULL_DOWN; +} + +static void r8a77995_pinmux_set_bias(struct sh_pfc *pfc, unsigned int pin, + unsigned int bias) +{ + const struct pinmux_bias_reg *reg; + unsigned int puen_bit, pud_bit; + u32 enable, updown; + + reg = r8a77995_pin_to_bias_reg(pfc, pin, &puen_bit, &pud_bit); + if (!reg) + return; + + enable = sh_pfc_read(pfc, reg->puen) & ~BIT(puen_bit); + if (bias != PIN_CONFIG_BIAS_DISABLE) { + enable |= BIT(puen_bit); + + updown = sh_pfc_read(pfc, reg->pud) & ~BIT(pud_bit); + if (bias == PIN_CONFIG_BIAS_PULL_UP) + updown |= BIT(pud_bit); + + sh_pfc_write(pfc, reg->pud, updown); + } + sh_pfc_write(pfc, reg->puen, enable); +} + static const struct sh_pfc_soc_operations r8a77995_pinmux_ops = { .pin_to_pocctrl = r8a77995_pin_to_pocctrl, + .get_bias = r8a77995_pinmux_get_bias, + .set_bias = r8a77995_pinmux_set_bias, }; const struct sh_pfc_soc_info r8a77995_pinmux_info = { @@ -2862,6 +3165,7 @@ const struct sh_pfc_soc_info r8a77995_pinmux_info = { .nr_functions = ARRAY_SIZE(pinmux_functions), .cfg_regs = pinmux_config_regs, + .bias_regs = pinmux_bias_regs, .ioctrl_regs = pinmux_ioctrl_regs, .pinmux_data = pinmux_data, |