From c3975a73ca9410519cf62531f640b68d69b0d798 Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Fri, 30 Apr 2021 14:31:10 +0200 Subject: [PATCH] pinctrl: renesas: r8a77980: Add bias pinconf support MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Implement support for pull-up and pull-down handling for the R-Car V3H SoC, using the common R-Car bias handling. Signed-off-by: Geert Uytterhoeven Reviewed-by: Niklas Söderlund Link: https://lore.kernel.org/r/448f47ccd89d9bc8621c7fda8c81508deb05cb82.1619785375.git.geert+renesas@glider.be --- drivers/pinctrl/renesas/pfc-r8a77980.c | 209 ++++++++++++++++++++++++- 1 file changed, 203 insertions(+), 6 deletions(-) diff --git a/drivers/pinctrl/renesas/pfc-r8a77980.c b/drivers/pinctrl/renesas/pfc-r8a77980.c index 20cff93a2a13..c4825b01449e 100644 --- a/drivers/pinctrl/renesas/pfc-r8a77980.c +++ b/drivers/pinctrl/renesas/pfc-r8a77980.c @@ -19,12 +19,23 @@ #include "sh_pfc.h" #define CPU_ALL_GP(fn, sfx) \ - PORT_GP_CFG_22(0, fn, sfx, SH_PFC_PIN_CFG_IO_VOLTAGE), \ - PORT_GP_28(1, fn, sfx), \ - PORT_GP_CFG_30(2, fn, sfx, SH_PFC_PIN_CFG_IO_VOLTAGE), \ - PORT_GP_CFG_17(3, fn, sfx, SH_PFC_PIN_CFG_IO_VOLTAGE), \ - PORT_GP_25(4, fn, sfx), \ - PORT_GP_15(5, fn, sfx) + PORT_GP_CFG_22(0, fn, sfx, SH_PFC_PIN_CFG_IO_VOLTAGE | SH_PFC_PIN_CFG_PULL_UP_DOWN), \ + PORT_GP_CFG_28(1, fn, sfx, SH_PFC_PIN_CFG_PULL_UP_DOWN), \ + PORT_GP_CFG_30(2, fn, sfx, SH_PFC_PIN_CFG_IO_VOLTAGE | SH_PFC_PIN_CFG_PULL_UP_DOWN), \ + PORT_GP_CFG_17(3, fn, sfx, SH_PFC_PIN_CFG_IO_VOLTAGE | SH_PFC_PIN_CFG_PULL_UP_DOWN), \ + PORT_GP_CFG_25(4, fn, sfx, SH_PFC_PIN_CFG_PULL_UP_DOWN), \ + PORT_GP_CFG_15(5, fn, sfx, SH_PFC_PIN_CFG_PULL_UP_DOWN) + +#define CPU_ALL_NOGP(fn) \ + PIN_NOGP_CFG(DCUTCK_LPDCLK, "DCUTCK_LPDCLK", fn, SH_PFC_PIN_CFG_PULL_UP_DOWN), \ + PIN_NOGP_CFG(DCUTDI_LPDI, "DCUTDI_LPDI", fn, SH_PFC_PIN_CFG_PULL_UP_DOWN), \ + PIN_NOGP_CFG(DCUTMS, "DCUTMS", fn, SH_PFC_PIN_CFG_PULL_UP_DOWN), \ + PIN_NOGP_CFG(DCUTRST_N, "DCUTRST#", fn, SH_PFC_PIN_CFG_PULL_UP_DOWN), \ + PIN_NOGP_CFG(DU_DOTCLKIN, "DU_DOTCLKIN", fn, SH_PFC_PIN_CFG_PULL_UP_DOWN), \ + PIN_NOGP_CFG(EXTALR, "EXTALR", fn, SH_PFC_PIN_CFG_PULL_UP_DOWN), \ + PIN_NOGP_CFG(FSCLKST, "FSCLKST", fn, SH_PFC_PIN_CFG_PULL_UP_DOWN), \ + PIN_NOGP_CFG(FSCLKST_N, "FSCLKST#", fn, SH_PFC_PIN_CFG_PULL_UP_DOWN), \ + PIN_NOGP_CFG(PRESETOUT_N, "PRESETOUT#", fn, SH_PFC_PIN_CFG_PULL_UP_DOWN) /* * F_() : just information @@ -830,8 +841,17 @@ static const u16 pinmux_data[] = { PINMUX_IPSR_GPSR(IP10_19_16, FSO_TOE_N), }; +/* + * 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(), }; /* - AVB -------------------------------------------------------------------- */ @@ -2945,8 +2965,184 @@ static int r8a77980_pin_to_pocctrl(struct sh_pfc *pfc, unsigned int pin, return -EINVAL; } +static const struct pinmux_bias_reg pinmux_bias_regs[] = { + { PINMUX_BIAS_REG("PUEN0", 0xe6060400, "PUD0", 0xe6060440) { + [ 0] = RCAR_GP_PIN(0, 0), /* DU_DR2 */ + [ 1] = RCAR_GP_PIN(0, 1), /* DU_DR3 */ + [ 2] = RCAR_GP_PIN(0, 2), /* DU_DR4 */ + [ 3] = RCAR_GP_PIN(0, 3), /* DU_DR5 */ + [ 4] = RCAR_GP_PIN(0, 4), /* DU_DR6 */ + [ 5] = RCAR_GP_PIN(0, 5), /* DU_DR7 */ + [ 6] = RCAR_GP_PIN(0, 6), /* DU_DG2 */ + [ 7] = RCAR_GP_PIN(0, 7), /* DU_DG3 */ + [ 8] = RCAR_GP_PIN(0, 8), /* DU_DG4 */ + [ 9] = RCAR_GP_PIN(0, 9), /* DU_DG5 */ + [10] = RCAR_GP_PIN(0, 10), /* DU_DG6 */ + [11] = RCAR_GP_PIN(0, 11), /* DU_DG7 */ + [12] = RCAR_GP_PIN(0, 12), /* DU_DB2 */ + [13] = RCAR_GP_PIN(0, 13), /* DU_DB3 */ + [14] = RCAR_GP_PIN(0, 14), /* DU_DB4 */ + [15] = RCAR_GP_PIN(0, 15), /* DU_DB5 */ + [16] = RCAR_GP_PIN(0, 16), /* DU_DB6 */ + [17] = RCAR_GP_PIN(0, 17), /* DU_DB7 */ + [18] = RCAR_GP_PIN(0, 18), /* DU_DOTCLKOUT */ + [19] = RCAR_GP_PIN(0, 19), /* DU_EXHSYNC/DU_HSYNC */ + [20] = RCAR_GP_PIN(0, 20), /* DU_EXVSYNC/DU_VSYNC */ + [21] = RCAR_GP_PIN(0, 21), /* DU_EXODDF/DU_ODDF/DISP/CDE */ + [22] = SH_PFC_PIN_NONE, + [23] = SH_PFC_PIN_NONE, + [24] = PIN_DU_DOTCLKIN, /* DU_DOTCLKIN */ + [25] = SH_PFC_PIN_NONE, + [26] = PIN_PRESETOUT_N, /* PRESETOUT# */ + [27] = SH_PFC_PIN_NONE, + [28] = SH_PFC_PIN_NONE, + [29] = SH_PFC_PIN_NONE, + [30] = PIN_EXTALR, /* EXTALR */ + [31] = PIN_FSCLKST_N, /* FSCLKST# */ + } }, + { PINMUX_BIAS_REG("PUEN1", 0xe6060404, "PUD1", 0xe6060444) { + [ 0] = PIN_FSCLKST, /* FSCLKST */ + [ 1] = SH_PFC_PIN_NONE, + [ 2] = RCAR_GP_PIN(1, 0), /* IRQ0 */ + [ 3] = PIN_DCUTRST_N, /* DCUTRST# */ + [ 4] = PIN_DCUTCK_LPDCLK, /* DCUTCK_LPDCLK */ + [ 5] = PIN_DCUTMS, /* DCUTMS */ + [ 6] = PIN_DCUTDI_LPDI, /* DCUTDI_LPDI */ + [ 7] = SH_PFC_PIN_NONE, + [ 8] = RCAR_GP_PIN(2, 0), /* VI0_CLK */ + [ 9] = RCAR_GP_PIN(2, 1), /* VI0_CLKENB */ + [10] = RCAR_GP_PIN(2, 2), /* VI0_HSYNC# */ + [11] = RCAR_GP_PIN(2, 3), /* VI0_VSYNC# */ + [12] = RCAR_GP_PIN(2, 4), /* VI0_DATA0 */ + [13] = RCAR_GP_PIN(2, 5), /* VI0_DATA1 */ + [14] = RCAR_GP_PIN(2, 6), /* VI0_DATA2 */ + [15] = RCAR_GP_PIN(2, 7), /* VI0_DATA3 */ + [16] = RCAR_GP_PIN(2, 8), /* VI0_DATA4 */ + [17] = RCAR_GP_PIN(2, 9), /* VI0_DATA5 */ + [18] = RCAR_GP_PIN(2, 10), /* VI0_DATA6 */ + [19] = RCAR_GP_PIN(2, 11), /* VI0_DATA7 */ + [20] = RCAR_GP_PIN(2, 12), /* VI0_DATA8 */ + [21] = RCAR_GP_PIN(2, 13), /* VI0_DATA9 */ + [22] = RCAR_GP_PIN(2, 14), /* VI0_DATA10 */ + [23] = RCAR_GP_PIN(2, 15), /* VI0_DATA11 */ + [24] = RCAR_GP_PIN(2, 16), /* VI0_FIELD */ + [25] = RCAR_GP_PIN(3, 0), /* VI1_CLK */ + [26] = RCAR_GP_PIN(3, 1), /* VI1_CLKENB */ + [27] = RCAR_GP_PIN(3, 2), /* VI1_HSYNC# */ + [28] = RCAR_GP_PIN(3, 3), /* VI1_VSYNC# */ + [29] = RCAR_GP_PIN(3, 4), /* VI1_DATA0 */ + [30] = RCAR_GP_PIN(3, 5), /* VI1_DATA1 */ + [31] = RCAR_GP_PIN(3, 6), /* VI1_DATA2 */ + } }, + { PINMUX_BIAS_REG("PUEN2", 0xe6060408, "PUD2", 0xe6060448) { + [ 0] = RCAR_GP_PIN(3, 7), /* VI1_DATA3 */ + [ 1] = RCAR_GP_PIN(3, 8), /* VI1_DATA4 */ + [ 2] = RCAR_GP_PIN(3, 9), /* VI1_DATA5 */ + [ 3] = RCAR_GP_PIN(3, 10), /* VI1_DATA6 */ + [ 4] = RCAR_GP_PIN(3, 11), /* VI1_DATA7 */ + [ 5] = RCAR_GP_PIN(3, 12), /* VI1_DATA8 */ + [ 6] = RCAR_GP_PIN(3, 13), /* VI1_DATA9 */ + [ 7] = RCAR_GP_PIN(3, 14), /* VI1_DATA10 */ + [ 8] = RCAR_GP_PIN(3, 15), /* VI1_DATA11 */ + [ 9] = RCAR_GP_PIN(3, 16), /* VI1_FIELD */ + [10] = RCAR_GP_PIN(4, 0), /* SCL0 */ + [11] = RCAR_GP_PIN(4, 1), /* SDA0 */ + [12] = RCAR_GP_PIN(4, 2), /* SCL1 */ + [13] = RCAR_GP_PIN(4, 3), /* SDA1 */ + [14] = RCAR_GP_PIN(4, 4), /* SCL2 */ + [15] = RCAR_GP_PIN(4, 5), /* SDA2 */ + [16] = RCAR_GP_PIN(1, 1), /* AVB_RX_CTL */ + [17] = RCAR_GP_PIN(1, 2), /* AVB_RXC */ + [18] = RCAR_GP_PIN(1, 3), /* AVB_RD0 */ + [19] = RCAR_GP_PIN(1, 4), /* AVB_RD1 */ + [20] = RCAR_GP_PIN(1, 5), /* AVB_RD2 */ + [21] = RCAR_GP_PIN(1, 6), /* AVB_RD3 */ + [22] = RCAR_GP_PIN(1, 7), /* AVB_TX_CTL */ + [23] = RCAR_GP_PIN(1, 8), /* AVB_TXC */ + [24] = RCAR_GP_PIN(1, 9), /* AVB_TD0 */ + [25] = RCAR_GP_PIN(1, 10), /* AVB_TD1 */ + [26] = RCAR_GP_PIN(1, 11), /* AVB_TD2 */ + [27] = RCAR_GP_PIN(1, 12), /* AVB_TD3 */ + [28] = RCAR_GP_PIN(1, 13), /* AVB_TXCREFCLK */ + [29] = RCAR_GP_PIN(1, 14), /* AVB_MDIO */ + [30] = RCAR_GP_PIN(1, 15), /* AVB_MDC */ + [31] = RCAR_GP_PIN(1, 16), /* AVB_MAGIC */ + } }, + { PINMUX_BIAS_REG("PUEN3", 0xe606040c, "PUD3", 0xe606044c) { + [ 0] = RCAR_GP_PIN(1, 17), /* AVB_PHY_INT */ + [ 1] = RCAR_GP_PIN(1, 18), /* AVB_LINK */ + [ 2] = RCAR_GP_PIN(1, 19), /* AVB_AVTP_MATCH */ + [ 3] = RCAR_GP_PIN(1, 20), /* AVTP_CAPTURE */ + [ 4] = RCAR_GP_PIN(4, 6), /* GETHER_RX_CTL */ + [ 5] = RCAR_GP_PIN(4, 7), /* GETHER_RXC */ + [ 6] = RCAR_GP_PIN(4, 8), /* GETHER_RD0 */ + [ 7] = RCAR_GP_PIN(4, 9), /* GETHER_RD1 */ + [ 8] = RCAR_GP_PIN(4, 10), /* GETHER_RD2 */ + [ 9] = RCAR_GP_PIN(4, 11), /* GETHER_RD3 */ + [10] = RCAR_GP_PIN(4, 12), /* GETHER_TX_CTL */ + [11] = RCAR_GP_PIN(4, 13), /* GETHER_TXC */ + [12] = RCAR_GP_PIN(4, 14), /* GETHER_TD0 */ + [13] = RCAR_GP_PIN(4, 15), /* GETHER_TD1 */ + [14] = RCAR_GP_PIN(4, 16), /* GETHER_TD2 */ + [15] = RCAR_GP_PIN(4, 17), /* GETHER_TD3 */ + [16] = RCAR_GP_PIN(4, 18), /* GETHER_TXCREFCLK */ + [17] = RCAR_GP_PIN(4, 19), /* GETHER_TXCREFCLK_MEGA */ + [18] = RCAR_GP_PIN(4, 20), /* GETHER_MDIO_A */ + [19] = RCAR_GP_PIN(4, 21), /* GETHER_MDC_A */ + [20] = RCAR_GP_PIN(4, 22), /* GETHER_MAGIC */ + [21] = RCAR_GP_PIN(4, 23), /* GETHER_PHY_INT_A */ + [22] = RCAR_GP_PIN(4, 24), /* GETHER_LINK_A */ + [23] = RCAR_GP_PIN(1, 21), /* CANFD0_TX_A */ + [24] = RCAR_GP_PIN(1, 22), /* CANFD0_RX_A */ + [25] = RCAR_GP_PIN(1, 23), /* CANFD1_TX */ + [26] = RCAR_GP_PIN(1, 24), /* CANFD1_RX */ + [27] = RCAR_GP_PIN(1, 25), /* CAN_CLK_A */ + [28] = RCAR_GP_PIN(5, 0), /* QSPI0_SPCLK */ + [29] = RCAR_GP_PIN(5, 1), /* QSPI0_MOSI_IO0 */ + [30] = RCAR_GP_PIN(5, 2), /* QSPI0_MISO_IO1 */ + [31] = RCAR_GP_PIN(5, 3), /* QSPI0_IO2 */ + } }, + { PINMUX_BIAS_REG("PUEN4", 0xe6060410, "PUD4", 0xe6060450) { + [ 0] = RCAR_GP_PIN(5, 4), /* QSPI0_IO3 */ + [ 1] = RCAR_GP_PIN(5, 5), /* QSPI0_SSL */ + [ 2] = RCAR_GP_PIN(5, 6), /* QSPI1_SPCLK */ + [ 3] = RCAR_GP_PIN(5, 7), /* QSPI1_MOSI_IO0 */ + [ 4] = RCAR_GP_PIN(5, 8), /* QSPI1_MISO_IO1 */ + [ 5] = RCAR_GP_PIN(5, 9), /* QSPI1_IO2 */ + [ 6] = RCAR_GP_PIN(5, 10), /* QSPI1_IO3 */ + [ 7] = RCAR_GP_PIN(5, 11), /* QSPI1_SSL */ + [ 8] = RCAR_GP_PIN(5, 12), /* RPC_RESET# */ + [ 9] = RCAR_GP_PIN(5, 13), /* RPC_WP# */ + [10] = RCAR_GP_PIN(5, 14), /* RPC_INT# */ + [11] = RCAR_GP_PIN(1, 26), /* DIGRF_CLKIN */ + [12] = RCAR_GP_PIN(1, 27), /* DIGRF_CLKOUT */ + [13] = RCAR_GP_PIN(2, 17), /* IRQ4 */ + [14] = RCAR_GP_PIN(2, 18), /* IRQ5 */ + [15] = RCAR_GP_PIN(2, 25), /* SCL3 */ + [16] = RCAR_GP_PIN(2, 26), /* SDA3 */ + [17] = RCAR_GP_PIN(2, 19), /* MSIOF0_RXD */ + [18] = RCAR_GP_PIN(2, 20), /* MSIOF0_TXD */ + [19] = RCAR_GP_PIN(2, 21), /* MSIOF0_SCK */ + [20] = RCAR_GP_PIN(2, 22), /* MSIOF0_SYNC */ + [21] = RCAR_GP_PIN(2, 23), /* MSIOF0_SS1 */ + [22] = RCAR_GP_PIN(2, 24), /* MSIOF0_SS2 */ + [23] = RCAR_GP_PIN(2, 27), /* FSO_CFE_0# */ + [24] = RCAR_GP_PIN(2, 28), /* FSO_CFE_1# */ + [25] = RCAR_GP_PIN(2, 29), /* FSO_TOE# */ + [26] = SH_PFC_PIN_NONE, + [27] = SH_PFC_PIN_NONE, + [28] = SH_PFC_PIN_NONE, + [29] = SH_PFC_PIN_NONE, + [30] = SH_PFC_PIN_NONE, + [31] = SH_PFC_PIN_NONE, + } }, + { /* sentinel */ } +}; + static const struct sh_pfc_soc_operations pinmux_ops = { .pin_to_pocctrl = r8a77980_pin_to_pocctrl, + .get_bias = rcar_pinmux_get_bias, + .set_bias = rcar_pinmux_set_bias, }; const struct sh_pfc_soc_info r8a77980_pinmux_info = { @@ -2964,6 +3160,7 @@ const struct sh_pfc_soc_info r8a77980_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,