diff options
| -rw-r--r-- | drivers/pinctrl/mvebu/Kconfig | 7 | ||||
| -rw-r--r-- | drivers/pinctrl/mvebu/Makefile | 1 | ||||
| -rw-r--r-- | drivers/pinctrl/mvebu/pinctrl-armada-38x.c | 589 |
3 files changed, 597 insertions, 0 deletions
diff --git a/drivers/pinctrl/mvebu/Kconfig b/drivers/pinctrl/mvebu/Kconfig index 07d4f3e216a..574fb4dfb07 100644 --- a/drivers/pinctrl/mvebu/Kconfig +++ b/drivers/pinctrl/mvebu/Kconfig @@ -1,5 +1,12 @@ if ARCH_MVEBU +config PINCTRL_ARMADA_38X + depends on ARMADA_38X && PINCTRL_FULL + bool "Armada 38x pin control driver" + help + Support pin multiplexing and pin configuration control on + Marvell's Armada-38x SoC. + config PINCTRL_ARMADA_37XX depends on ARMADA_3700 && PINCTRL_FULL bool "Armada 37xx pin control driver" diff --git a/drivers/pinctrl/mvebu/Makefile b/drivers/pinctrl/mvebu/Makefile index c2df96bf5b1..15303d83a71 100644 --- a/drivers/pinctrl/mvebu/Makefile +++ b/drivers/pinctrl/mvebu/Makefile @@ -4,5 +4,6 @@ # # https://spdx.org/licenses +obj-$(CONFIG_PINCTRL_ARMADA_38X) += pinctrl-armada-38x.o obj-$(CONFIG_PINCTRL_ARMADA_37XX) += pinctrl-armada-37xx.o obj-$(CONFIG_PINCTRL_ARMADA_8K) += pinctrl-mvebu.o diff --git a/drivers/pinctrl/mvebu/pinctrl-armada-38x.c b/drivers/pinctrl/mvebu/pinctrl-armada-38x.c new file mode 100644 index 00000000000..252151f3e5d --- /dev/null +++ b/drivers/pinctrl/mvebu/pinctrl-armada-38x.c @@ -0,0 +1,589 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +// (C) 2022 Pali Rohár <pali@kernel.org> + +#include <common.h> +#include <config.h> +#include <dm.h> +#include <dm/devres.h> +#include <dm/lists.h> +#include <dm/pinctrl.h> +#include <dm/root.h> +#include <errno.h> +#include <asm/io.h> + +struct mvebu_mpp_ctrl_setting { + const char *name; + const char *subname; + u8 val; + u8 variant; +}; + +struct mvebu_mpp_mode { + const char *name; + size_t nsettings; + struct mvebu_mpp_ctrl_setting *settings; +}; + +#define MPP_MODE(_name, ...) \ + { \ + .name = _name, \ + .nsettings = ARRAY_SIZE(( \ + (struct mvebu_mpp_ctrl_setting[]) \ + { __VA_ARGS__ })), \ + .settings = (struct mvebu_mpp_ctrl_setting[]){ \ + __VA_ARGS__ }, \ + } + +#define MPP_VAR_FUNCTION(_val, _name, _subname, _mask) \ + { \ + .val = _val, \ + .name = _name, \ + .subname = _subname, \ + .variant = _mask, \ + } + +#define MVEBU_MPPS_PER_REG 8 +#define MVEBU_MPP_BITS 4 +#define MVEBU_MPP_MASK 0xf + +enum { + V_88F6810 = BIT(0), + V_88F6820 = BIT(1), + V_88F6828 = BIT(2), + V_88F6810_PLUS = (V_88F6810 | V_88F6820 | V_88F6828), + V_88F6820_PLUS = (V_88F6820 | V_88F6828), +}; + +static struct mvebu_mpp_mode armada_38x_mpp_modes[] = { + MPP_MODE("mpp0", + MPP_VAR_FUNCTION(0, "gpio", NULL, V_88F6810_PLUS), + MPP_VAR_FUNCTION(1, "ua0", "rxd", V_88F6810_PLUS)), + MPP_MODE("mpp1", + MPP_VAR_FUNCTION(0, "gpio", NULL, V_88F6810_PLUS), + MPP_VAR_FUNCTION(1, "ua0", "txd", V_88F6810_PLUS)), + MPP_MODE("mpp2", + MPP_VAR_FUNCTION(0, "gpio", NULL, V_88F6810_PLUS), + MPP_VAR_FUNCTION(1, "i2c0", "sck", V_88F6810_PLUS)), + MPP_MODE("mpp3", + MPP_VAR_FUNCTION(0, "gpio", NULL, V_88F6810_PLUS), + MPP_VAR_FUNCTION(1, "i2c0", "sda", V_88F6810_PLUS)), + MPP_MODE("mpp4", + MPP_VAR_FUNCTION(0, "gpio", NULL, V_88F6810_PLUS), + MPP_VAR_FUNCTION(1, "ge", "mdc", V_88F6810_PLUS), + MPP_VAR_FUNCTION(2, "ua1", "txd", V_88F6810_PLUS), + MPP_VAR_FUNCTION(3, "ua0", "rts", V_88F6810_PLUS)), + MPP_MODE("mpp5", + MPP_VAR_FUNCTION(0, "gpio", NULL, V_88F6810_PLUS), + MPP_VAR_FUNCTION(1, "ge", "mdio", V_88F6810_PLUS), + MPP_VAR_FUNCTION(2, "ua1", "rxd", V_88F6810_PLUS), + MPP_VAR_FUNCTION(3, "ua0", "cts", V_88F6810_PLUS)), + MPP_MODE("mpp6", + MPP_VAR_FUNCTION(0, "gpio", NULL, V_88F6810_PLUS), + MPP_VAR_FUNCTION(1, "ge0", "txclkout", V_88F6810_PLUS), + MPP_VAR_FUNCTION(2, "ge0", "crs", V_88F6810_PLUS), + MPP_VAR_FUNCTION(5, "dev", "cs3", V_88F6810_PLUS)), + MPP_MODE("mpp7", + MPP_VAR_FUNCTION(0, "gpio", NULL, V_88F6810_PLUS), + MPP_VAR_FUNCTION(1, "ge0", "txd0", V_88F6810_PLUS), + MPP_VAR_FUNCTION(5, "dev", "ad9", V_88F6810_PLUS)), + MPP_MODE("mpp8", + MPP_VAR_FUNCTION(0, "gpio", NULL, V_88F6810_PLUS), + MPP_VAR_FUNCTION(1, "ge0", "txd1", V_88F6810_PLUS), + MPP_VAR_FUNCTION(5, "dev", "ad10", V_88F6810_PLUS)), + MPP_MODE("mpp9", + MPP_VAR_FUNCTION(0, "gpio", NULL, V_88F6810_PLUS), + MPP_VAR_FUNCTION(1, "ge0", "txd2", V_88F6810_PLUS), + MPP_VAR_FUNCTION(5, "dev", "ad11", V_88F6810_PLUS)), + MPP_MODE("mpp10", + MPP_VAR_FUNCTION(0, "gpio", NULL, V_88F6810_PLUS), + MPP_VAR_FUNCTION(1, "ge0", "txd3", V_88F6810_PLUS), + MPP_VAR_FUNCTION(5, "dev", "ad12", V_88F6810_PLUS)), + MPP_MODE("mpp11", + MPP_VAR_FUNCTION(0, "gpio", NULL, V_88F6810_PLUS), + MPP_VAR_FUNCTION(1, "ge0", "txctl", V_88F6810_PLUS), + MPP_VAR_FUNCTION(5, "dev", "ad13", V_88F6810_PLUS)), + MPP_MODE("mpp12", + MPP_VAR_FUNCTION(0, "gpio", NULL, V_88F6810_PLUS), + MPP_VAR_FUNCTION(1, "ge0", "rxd0", V_88F6810_PLUS), + MPP_VAR_FUNCTION(2, "pcie0", "rstout", V_88F6810_PLUS), + MPP_VAR_FUNCTION(4, "spi0", "cs1", V_88F6810_PLUS), + MPP_VAR_FUNCTION(5, "dev", "ad14", V_88F6810_PLUS), + MPP_VAR_FUNCTION(6, "pcie3", "clkreq", V_88F6810_PLUS)), + MPP_MODE("mpp13", + MPP_VAR_FUNCTION(0, "gpio", NULL, V_88F6810_PLUS), + MPP_VAR_FUNCTION(1, "ge0", "rxd1", V_88F6810_PLUS), + MPP_VAR_FUNCTION(2, "pcie0", "clkreq", V_88F6810_PLUS), + MPP_VAR_FUNCTION(3, "pcie1", "clkreq", V_88F6820_PLUS), + MPP_VAR_FUNCTION(4, "spi0", "cs2", V_88F6810_PLUS), + MPP_VAR_FUNCTION(5, "dev", "ad15", V_88F6810_PLUS), + MPP_VAR_FUNCTION(6, "pcie2", "clkreq", V_88F6810_PLUS)), + MPP_MODE("mpp14", + MPP_VAR_FUNCTION(0, "gpio", NULL, V_88F6810_PLUS), + MPP_VAR_FUNCTION(1, "ge0", "rxd2", V_88F6810_PLUS), + MPP_VAR_FUNCTION(2, "ptp", "clk", V_88F6810_PLUS), + MPP_VAR_FUNCTION(3, "dram", "vttctrl", V_88F6810_PLUS), + MPP_VAR_FUNCTION(4, "spi0", "cs3", V_88F6810_PLUS), + MPP_VAR_FUNCTION(5, "dev", "we1", V_88F6810_PLUS), + MPP_VAR_FUNCTION(6, "pcie3", "clkreq", V_88F6810_PLUS)), + MPP_MODE("mpp15", + MPP_VAR_FUNCTION(0, "gpio", NULL, V_88F6810_PLUS), + MPP_VAR_FUNCTION(1, "ge0", "rxd3", V_88F6810_PLUS), + MPP_VAR_FUNCTION(2, "ge", "mdc slave", V_88F6810_PLUS), + MPP_VAR_FUNCTION(3, "pcie0", "rstout", V_88F6810_PLUS), + MPP_VAR_FUNCTION(4, "spi0", "mosi", V_88F6810_PLUS)), + MPP_MODE("mpp16", + MPP_VAR_FUNCTION(0, "gpio", NULL, V_88F6810_PLUS), + MPP_VAR_FUNCTION(1, "ge0", "rxctl", V_88F6810_PLUS), + MPP_VAR_FUNCTION(2, "ge", "mdio slave", V_88F6810_PLUS), + MPP_VAR_FUNCTION(3, "dram", "deccerr", V_88F6810_PLUS), + MPP_VAR_FUNCTION(4, "spi0", "miso", V_88F6810_PLUS), + MPP_VAR_FUNCTION(5, "pcie0", "clkreq", V_88F6810_PLUS), + MPP_VAR_FUNCTION(6, "pcie1", "clkreq", V_88F6820_PLUS)), + MPP_MODE("mpp17", + MPP_VAR_FUNCTION(0, "gpio", NULL, V_88F6810_PLUS), + MPP_VAR_FUNCTION(1, "ge0", "rxclk", V_88F6810_PLUS), + MPP_VAR_FUNCTION(2, "ptp", "clk", V_88F6810_PLUS), + MPP_VAR_FUNCTION(3, "ua1", "rxd", V_88F6810_PLUS), + MPP_VAR_FUNCTION(4, "spi0", "sck", V_88F6810_PLUS), + MPP_VAR_FUNCTION(5, "sata1", "prsnt", V_88F6810_PLUS), + MPP_VAR_FUNCTION(6, "sata0", "prsnt", V_88F6810_PLUS)), + MPP_MODE("mpp18", + MPP_VAR_FUNCTION(0, "gpio", NULL, V_88F6810_PLUS), + MPP_VAR_FUNCTION(1, "ge0", "rxerr", V_88F6810_PLUS), + MPP_VAR_FUNCTION(2, "ptp", "trig", V_88F6810_PLUS), + MPP_VAR_FUNCTION(3, "ua1", "txd", V_88F6810_PLUS), + MPP_VAR_FUNCTION(4, "spi0", "cs0", V_88F6810_PLUS)), + MPP_MODE("mpp19", + MPP_VAR_FUNCTION(0, "gpio", NULL, V_88F6810_PLUS), + MPP_VAR_FUNCTION(1, "ge0", "col", V_88F6810_PLUS), + MPP_VAR_FUNCTION(2, "ptp", "evreq", V_88F6810_PLUS), + MPP_VAR_FUNCTION(3, "ge0", "txerr", V_88F6810_PLUS), + MPP_VAR_FUNCTION(4, "sata1", "prsnt", V_88F6810_PLUS), + MPP_VAR_FUNCTION(5, "ua0", "cts", V_88F6810_PLUS), + MPP_VAR_FUNCTION(6, "ua1", "rxd", V_88F6810_PLUS)), + MPP_MODE("mpp20", + MPP_VAR_FUNCTION(0, "gpio", NULL, V_88F6810_PLUS), + MPP_VAR_FUNCTION(1, "ge0", "txclk", V_88F6810_PLUS), + MPP_VAR_FUNCTION(2, "ptp", "clk", V_88F6810_PLUS), + MPP_VAR_FUNCTION(4, "sata0", "prsnt", V_88F6810_PLUS), + MPP_VAR_FUNCTION(5, "ua0", "rts", V_88F6810_PLUS), + MPP_VAR_FUNCTION(6, "ua1", "txd", V_88F6810_PLUS)), + MPP_MODE("mpp21", + MPP_VAR_FUNCTION(0, "gpio", NULL, V_88F6810_PLUS), + MPP_VAR_FUNCTION(1, "spi0", "cs1", V_88F6810_PLUS), + MPP_VAR_FUNCTION(2, "ge1", "rxd0", V_88F6810_PLUS), + MPP_VAR_FUNCTION(3, "sata0", "prsnt", V_88F6810_PLUS), + MPP_VAR_FUNCTION(4, "sd0", "cmd", V_88F6810_PLUS), + MPP_VAR_FUNCTION(5, "dev", "bootcs", V_88F6810_PLUS), + MPP_VAR_FUNCTION(6, "sata1", "prsnt", V_88F6810_PLUS)), + MPP_MODE("mpp22", + MPP_VAR_FUNCTION(0, "gpio", NULL, V_88F6810_PLUS), + MPP_VAR_FUNCTION(1, "spi0", "mosi", V_88F6810_PLUS), + MPP_VAR_FUNCTION(5, "dev", "ad0", V_88F6810_PLUS)), + MPP_MODE("mpp23", + MPP_VAR_FUNCTION(0, "gpio", NULL, V_88F6810_PLUS), + MPP_VAR_FUNCTION(1, "spi0", "sck", V_88F6810_PLUS), + MPP_VAR_FUNCTION(5, "dev", "ad2", V_88F6810_PLUS)), + MPP_MODE("mpp24", + MPP_VAR_FUNCTION(0, "gpio", NULL, V_88F6810_PLUS), + MPP_VAR_FUNCTION(1, "spi0", "miso", V_88F6810_PLUS), + MPP_VAR_FUNCTION(2, "ua0", "cts", V_88F6810_PLUS), + MPP_VAR_FUNCTION(3, "ua1", "rxd", V_88F6810_PLUS), + MPP_VAR_FUNCTION(4, "sd0", "d4", V_88F6810_PLUS), + MPP_VAR_FUNCTION(5, "dev", "ready", V_88F6810_PLUS)), + MPP_MODE("mpp25", + MPP_VAR_FUNCTION(0, "gpio", NULL, V_88F6810_PLUS), + MPP_VAR_FUNCTION(1, "spi0", "cs0", V_88F6810_PLUS), + MPP_VAR_FUNCTION(2, "ua0", "rts", V_88F6810_PLUS), + MPP_VAR_FUNCTION(3, "ua1", "txd", V_88F6810_PLUS), + MPP_VAR_FUNCTION(4, "sd0", "d5", V_88F6810_PLUS), + MPP_VAR_FUNCTION(5, "dev", "cs0", V_88F6810_PLUS)), + MPP_MODE("mpp26", + MPP_VAR_FUNCTION(0, "gpio", NULL, V_88F6810_PLUS), + MPP_VAR_FUNCTION(1, "spi0", "cs2", V_88F6810_PLUS), + MPP_VAR_FUNCTION(3, "i2c1", "sck", V_88F6810_PLUS), + MPP_VAR_FUNCTION(4, "sd0", "d6", V_88F6810_PLUS), + MPP_VAR_FUNCTION(5, "dev", "cs1", V_88F6810_PLUS)), + MPP_MODE("mpp27", + MPP_VAR_FUNCTION(0, "gpio", NULL, V_88F6810_PLUS), + MPP_VAR_FUNCTION(1, "spi0", "cs3", V_88F6810_PLUS), + MPP_VAR_FUNCTION(2, "ge1", "txclkout", V_88F6810_PLUS), + MPP_VAR_FUNCTION(3, "i2c1", "sda", V_88F6810_PLUS), + MPP_VAR_FUNCTION(4, "sd0", "d7", V_88F6810_PLUS), + MPP_VAR_FUNCTION(5, "dev", "cs2", V_88F6810_PLUS)), + MPP_MODE("mpp28", + MPP_VAR_FUNCTION(0, "gpio", NULL, V_88F6810_PLUS), + MPP_VAR_FUNCTION(2, "ge1", "txd0", V_88F6810_PLUS), + MPP_VAR_FUNCTION(4, "sd0", "clk", V_88F6810_PLUS), + MPP_VAR_FUNCTION(5, "dev", "ad5", V_88F6810_PLUS)), + MPP_MODE("mpp29", + MPP_VAR_FUNCTION(0, "gpio", NULL, V_88F6810_PLUS), + MPP_VAR_FUNCTION(2, "ge1", "txd1", V_88F6810_PLUS), + MPP_VAR_FUNCTION(5, "dev", "ale0", V_88F6810_PLUS)), + MPP_MODE("mpp30", + MPP_VAR_FUNCTION(0, "gpio", NULL, V_88F6810_PLUS), + MPP_VAR_FUNCTION(2, "ge1", "txd2", V_88F6810_PLUS), + MPP_VAR_FUNCTION(5, "dev", "oe", V_88F6810_PLUS)), + MPP_MODE("mpp31", + MPP_VAR_FUNCTION(0, "gpio", NULL, V_88F6810_PLUS), + MPP_VAR_FUNCTION(2, "ge1", "txd3", V_88F6810_PLUS), + MPP_VAR_FUNCTION(5, "dev", "ale1", V_88F6810_PLUS)), + MPP_MODE("mpp32", + MPP_VAR_FUNCTION(0, "gpio", NULL, V_88F6810_PLUS), + MPP_VAR_FUNCTION(2, "ge1", "txctl", V_88F6810_PLUS), + MPP_VAR_FUNCTION(5, "dev", "we0", V_88F6810_PLUS)), + MPP_MODE("mpp33", + MPP_VAR_FUNCTION(0, "gpio", NULL, V_88F6810_PLUS), + MPP_VAR_FUNCTION(1, "dram", "deccerr", V_88F6810_PLUS), + MPP_VAR_FUNCTION(5, "dev", "ad3", V_88F6810_PLUS)), + MPP_MODE("mpp34", + MPP_VAR_FUNCTION(0, "gpio", NULL, V_88F6810_PLUS), + MPP_VAR_FUNCTION(5, "dev", "ad1", V_88F6810_PLUS)), + MPP_MODE("mpp35", + MPP_VAR_FUNCTION(0, "gpio", NULL, V_88F6810_PLUS), + MPP_VAR_FUNCTION(1, "ref", "clk_out1", V_88F6810_PLUS), + MPP_VAR_FUNCTION(5, "dev", "a1", V_88F6810_PLUS)), + MPP_MODE("mpp36", + MPP_VAR_FUNCTION(0, "gpio", NULL, V_88F6810_PLUS), + MPP_VAR_FUNCTION(1, "ptp", "trig", V_88F6810_PLUS), + MPP_VAR_FUNCTION(5, "dev", "a0", V_88F6810_PLUS)), + MPP_MODE("mpp37", + MPP_VAR_FUNCTION(0, "gpio", NULL, V_88F6810_PLUS), + MPP_VAR_FUNCTION(1, "ptp", "clk", V_88F6810_PLUS), + MPP_VAR_FUNCTION(2, "ge1", "rxclk", V_88F6810_PLUS), + MPP_VAR_FUNCTION(4, "sd0", "d3", V_88F6810_PLUS), + MPP_VAR_FUNCTION(5, "dev", "ad8", V_88F6810_PLUS)), + MPP_MODE("mpp38", + MPP_VAR_FUNCTION(0, "gpio", NULL, V_88F6810_PLUS), + MPP_VAR_FUNCTION(1, "ptp", "evreq", V_88F6810_PLUS), + MPP_VAR_FUNCTION(2, "ge1", "rxd1", V_88F6810_PLUS), + MPP_VAR_FUNCTION(3, "ref", "clk_out0", V_88F6810_PLUS), + MPP_VAR_FUNCTION(4, "sd0", "d0", V_88F6810_PLUS), + MPP_VAR_FUNCTION(5, "dev", "ad4", V_88F6810_PLUS)), + MPP_MODE("mpp39", + MPP_VAR_FUNCTION(0, "gpio", NULL, V_88F6810_PLUS), + MPP_VAR_FUNCTION(1, "i2c1", "sck", V_88F6810_PLUS), + MPP_VAR_FUNCTION(2, "ge1", "rxd2", V_88F6810_PLUS), + MPP_VAR_FUNCTION(3, "ua0", "cts", V_88F6810_PLUS), + MPP_VAR_FUNCTION(4, "sd0", "d1", V_88F6810_PLUS), + MPP_VAR_FUNCTION(5, "dev", "a2", V_88F6810_PLUS)), + MPP_MODE("mpp40", + MPP_VAR_FUNCTION(0, "gpio", NULL, V_88F6810_PLUS), + MPP_VAR_FUNCTION(1, "i2c1", "sda", V_88F6810_PLUS), + MPP_VAR_FUNCTION(2, "ge1", "rxd3", V_88F6810_PLUS), + MPP_VAR_FUNCTION(3, "ua0", "rts", V_88F6810_PLUS), + MPP_VAR_FUNCTION(4, "sd0", "d2", V_88F6810_PLUS), + MPP_VAR_FUNCTION(5, "dev", "ad6", V_88F6810_PLUS)), + MPP_MODE("mpp41", + MPP_VAR_FUNCTION(0, "gpio", NULL, V_88F6810_PLUS), + MPP_VAR_FUNCTION(1, "ua1", "rxd", V_88F6810_PLUS), + MPP_VAR_FUNCTION(2, "ge1", "rxctl", V_88F6810_PLUS), + MPP_VAR_FUNCTION(3, "ua0", "cts", V_88F6810_PLUS), + MPP_VAR_FUNCTION(4, "spi1", "cs3", V_88F6810_PLUS), + MPP_VAR_FUNCTION(5, "dev", "burst/last", V_88F6810_PLUS), + MPP_VAR_FUNCTION(6, "nand", "rb0", V_88F6810_PLUS)), + MPP_MODE("mpp42", + MPP_VAR_FUNCTION(0, "gpio", NULL, V_88F6810_PLUS), + MPP_VAR_FUNCTION(1, "ua1", "txd", V_88F6810_PLUS), + MPP_VAR_FUNCTION(3, "ua0", "rts", V_88F6810_PLUS), + MPP_VAR_FUNCTION(5, "dev", "ad7", V_88F6810_PLUS)), + MPP_MODE("mpp43", + MPP_VAR_FUNCTION(0, "gpio", NULL, V_88F6810_PLUS), + MPP_VAR_FUNCTION(1, "pcie0", "clkreq", V_88F6810_PLUS), + MPP_VAR_FUNCTION(2, "dram", "vttctrl", V_88F6810_PLUS), + MPP_VAR_FUNCTION(3, "dram", "deccerr", V_88F6810_PLUS), + MPP_VAR_FUNCTION(4, "spi1", "cs2", V_88F6810_PLUS), + MPP_VAR_FUNCTION(5, "dev", "clkout", V_88F6810_PLUS), + MPP_VAR_FUNCTION(6, "nand", "rb1", V_88F6810_PLUS)), + MPP_MODE("mpp44", + MPP_VAR_FUNCTION(0, "gpio", NULL, V_88F6810_PLUS), + MPP_VAR_FUNCTION(1, "sata0", "prsnt", V_88F6810_PLUS), + MPP_VAR_FUNCTION(2, "sata1", "prsnt", V_88F6810_PLUS), + MPP_VAR_FUNCTION(3, "sata2", "prsnt", V_88F6828), + MPP_VAR_FUNCTION(4, "sata3", "prsnt", V_88F6828)), + MPP_MODE("mpp45", + MPP_VAR_FUNCTION(0, "gpio", NULL, V_88F6810_PLUS), + MPP_VAR_FUNCTION(1, "ref", "clk_out0", V_88F6810_PLUS), + MPP_VAR_FUNCTION(2, "pcie0", "rstout", V_88F6810_PLUS), + MPP_VAR_FUNCTION(6, "ua1", "rxd", V_88F6810_PLUS)), + MPP_MODE("mpp46", + MPP_VAR_FUNCTION(0, "gpio", NULL, V_88F6810_PLUS), + MPP_VAR_FUNCTION(1, "ref", "clk_out1", V_88F6810_PLUS), + MPP_VAR_FUNCTION(2, "pcie0", "rstout", V_88F6810_PLUS), + MPP_VAR_FUNCTION(6, "ua1", "txd", V_88F6810_PLUS)), + MPP_MODE("mpp47", + MPP_VAR_FUNCTION(0, "gpio", NULL, V_88F6810_PLUS), + MPP_VAR_FUNCTION(1, "sata0", "prsnt", V_88F6810_PLUS), + MPP_VAR_FUNCTION(2, "sata1", "prsnt", V_88F6810_PLUS), + MPP_VAR_FUNCTION(3, "sata2", "prsnt", V_88F6828), + MPP_VAR_FUNCTION(5, "sata3", "prsnt", V_88F6828)), + MPP_MODE("mpp48", + MPP_VAR_FUNCTION(0, "gpio", NULL, V_88F6810_PLUS), + MPP_VAR_FUNCTION(1, "sata0", "prsnt", V_88F6810_PLUS), + MPP_VAR_FUNCTION(2, "dram", "vttctrl", V_88F6810_PLUS), + MPP_VAR_FUNCTION(3, "tdm", "pclk", V_88F6810_PLUS), + MPP_VAR_FUNCTION(4, "audio", "mclk", V_88F6810_PLUS), + MPP_VAR_FUNCTION(5, "sd0", "d4", V_88F6810_PLUS), + MPP_VAR_FUNCTION(6, "pcie0", "clkreq", V_88F6810_PLUS)), + MPP_MODE("mpp49", + MPP_VAR_FUNCTION(0, "gpio", NULL, V_88F6810_PLUS), + MPP_VAR_FUNCTION(1, "sata2", "prsnt", V_88F6828), + MPP_VAR_FUNCTION(2, "sata3", "prsnt", V_88F6828), + MPP_VAR_FUNCTION(3, "tdm", "fsync", V_88F6810_PLUS), + MPP_VAR_FUNCTION(4, "audio", "lrclk", V_88F6810_PLUS), + MPP_VAR_FUNCTION(5, "sd0", "d5", V_88F6810_PLUS), + MPP_VAR_FUNCTION(6, "pcie1", "clkreq", V_88F6820_PLUS)), + MPP_MODE("mpp50", + MPP_VAR_FUNCTION(0, "gpio", NULL, V_88F6810_PLUS), + MPP_VAR_FUNCTION(1, "pcie0", "rstout", V_88F6810_PLUS), + MPP_VAR_FUNCTION(3, "tdm", "drx", V_88F6810_PLUS), + MPP_VAR_FUNCTION(4, "audio", "extclk", V_88F6810_PLUS), + MPP_VAR_FUNCTION(5, "sd0", "cmd", V_88F6810_PLUS)), + MPP_MODE("mpp51", + MPP_VAR_FUNCTION(0, "gpio", NULL, V_88F6810_PLUS), + MPP_VAR_FUNCTION(3, "tdm", "dtx", V_88F6810_PLUS), + MPP_VAR_FUNCTION(4, "audio", "sdo", V_88F6810_PLUS), + MPP_VAR_FUNCTION(5, "dram", "deccerr", V_88F6810_PLUS), + MPP_VAR_FUNCTION(6, "ptp", "trig", V_88F6810_PLUS)), + MPP_MODE("mpp52", + MPP_VAR_FUNCTION(0, "gpio", NULL, V_88F6810_PLUS), + MPP_VAR_FUNCTION(1, "pcie0", "rstout", V_88F6810_PLUS), + MPP_VAR_FUNCTION(3, "tdm", "int", V_88F6810_PLUS), + MPP_VAR_FUNCTION(4, "audio", "sdi", V_88F6810_PLUS), + MPP_VAR_FUNCTION(5, "sd0", "d6", V_88F6810_PLUS), + MPP_VAR_FUNCTION(6, "ptp", "clk", V_88F6810_PLUS)), + MPP_MODE("mpp53", + MPP_VAR_FUNCTION(0, "gpio", NULL, V_88F6810_PLUS), + MPP_VAR_FUNCTION(1, "sata1", "prsnt", V_88F6810_PLUS), + MPP_VAR_FUNCTION(2, "sata0", "prsnt", V_88F6810_PLUS), + MPP_VAR_FUNCTION(3, "tdm", "rst", V_88F6810_PLUS), + MPP_VAR_FUNCTION(4, "audio", "bclk", V_88F6810_PLUS), + MPP_VAR_FUNCTION(5, "sd0", "d7", V_88F6810_PLUS), + MPP_VAR_FUNCTION(6, "ptp", "evreq", V_88F6810_PLUS)), + MPP_MODE("mpp54", + MPP_VAR_FUNCTION(0, "gpio", NULL, V_88F6810_PLUS), + MPP_VAR_FUNCTION(1, "sata0", "prsnt", V_88F6810_PLUS), + MPP_VAR_FUNCTION(2, "sata1", "prsnt", V_88F6810_PLUS), + MPP_VAR_FUNCTION(3, "pcie0", "rstout", V_88F6810_PLUS), + MPP_VAR_FUNCTION(4, "ge0", "txerr", V_88F6810_PLUS), + MPP_VAR_FUNCTION(5, "sd0", "d3", V_88F6810_PLUS)), + MPP_MODE("mpp55", + MPP_VAR_FUNCTION(0, "gpio", NULL, V_88F6810_PLUS), + MPP_VAR_FUNCTION(1, "ua1", "cts", V_88F6810_PLUS), + MPP_VAR_FUNCTION(2, "ge", "mdio", V_88F6810_PLUS), + MPP_VAR_FUNCTION(3, "pcie1", "clkreq", V_88F6820_PLUS), + MPP_VAR_FUNCTION(4, "spi1", "cs1", V_88F6810_PLUS), + MPP_VAR_FUNCTION(5, "sd0", "d0", V_88F6810_PLUS), + MPP_VAR_FUNCTION(6, "ua1", "rxd", V_88F6810_PLUS)), + MPP_MODE("mpp56", + MPP_VAR_FUNCTION(0, "gpio", NULL, V_88F6810_PLUS), + MPP_VAR_FUNCTION(1, "ua1", "rts", V_88F6810_PLUS), + MPP_VAR_FUNCTION(2, "ge", "mdc", V_88F6810_PLUS), + MPP_VAR_FUNCTION(3, "dram", "deccerr", V_88F6810_PLUS), + MPP_VAR_FUNCTION(4, "spi1", "mosi", V_88F6810_PLUS), + MPP_VAR_FUNCTION(6, "ua1", "txd", V_88F6810_PLUS)), + MPP_MODE("mpp57", + MPP_VAR_FUNCTION(0, "gpio", NULL, V_88F6810_PLUS), + MPP_VAR_FUNCTION(4, "spi1", "sck", V_88F6810_PLUS), + MPP_VAR_FUNCTION(5, "sd0", "clk", V_88F6810_PLUS), + MPP_VAR_FUNCTION(6, "ua1", "txd", V_88F6810_PLUS)), + MPP_MODE("mpp58", + MPP_VAR_FUNCTION(0, "gpio", NULL, V_88F6810_PLUS), + MPP_VAR_FUNCTION(1, "pcie1", "clkreq", V_88F6820_PLUS), + MPP_VAR_FUNCTION(2, "i2c1", "sck", V_88F6810_PLUS), + MPP_VAR_FUNCTION(3, "pcie2", "clkreq", V_88F6810_PLUS), + MPP_VAR_FUNCTION(4, "spi1", "miso", V_88F6810_PLUS), + MPP_VAR_FUNCTION(5, "sd0", "d1", V_88F6810_PLUS), + MPP_VAR_FUNCTION(6, "ua1", "rxd", V_88F6810_PLUS)), + MPP_MODE("mpp59", + MPP_VAR_FUNCTION(0, "gpio", NULL, V_88F6810_PLUS), + MPP_VAR_FUNCTION(1, "pcie0", "rstout", V_88F6810_PLUS), + MPP_VAR_FUNCTION(2, "i2c1", "sda", V_88F6810_PLUS), + MPP_VAR_FUNCTION(4, "spi1", "cs0", V_88F6810_PLUS), + MPP_VAR_FUNCTION(5, "sd0", "d2", V_88F6810_PLUS)), +}; + +static const char * const armada_38x_mpp_function_names[] = { + "gpio", /* make gpio always as function 0 */ + + "audio", + "dev", + "dram", + "ge", + "ge0", + "ge1", + "i2c0", + "i2c1", + "nand", + "pcie0", + "pcie1", + "pcie2", + "pcie3", + "ptp", + "ref", + "sata0", + "sata1", + "sata2", + "sata3", + "sd0", + "spi0", + "spi1", + "tdm", + "ua0", + "ua1", +}; + +struct armada_38x_pinctrl { + void __iomem *base; + u8 variant; +}; + +static int armada_38x_pinctrl_get_pins_count(struct udevice *dev) +{ + return ARRAY_SIZE(armada_38x_mpp_modes); +} + +static const char *armada_38x_pinctrl_get_pin_name(struct udevice *dev, unsigned int selector) +{ + return armada_38x_mpp_modes[selector].name; +} + +static int armada_38x_pinctrl_get_functions_count(struct udevice *dev) +{ + return ARRAY_SIZE(armada_38x_mpp_function_names); +} + +static const char *armada_38x_pinctrl_get_function_name(struct udevice *dev, unsigned int selector) +{ + return armada_38x_mpp_function_names[selector]; +} + +static int armada_38x_pinctrl_get_pin_muxing(struct udevice *dev, unsigned int selector, + char *buf, int size) +{ + struct armada_38x_pinctrl *info = dev_get_priv(dev); + unsigned int off = (selector / MVEBU_MPPS_PER_REG) * MVEBU_MPP_BITS; + unsigned int shift = (selector % MVEBU_MPPS_PER_REG) * MVEBU_MPP_BITS; + const char *func_name = NULL; + const char *sub_name = NULL; + unsigned long config; + int i; + + config = (readl(info->base + off) >> shift) & MVEBU_MPP_MASK; + + for (i = 0; i < armada_38x_mpp_modes[selector].nsettings; i++) { + if (armada_38x_mpp_modes[selector].settings[i].val == config) + break; + } + + if (i < armada_38x_mpp_modes[selector].nsettings) { + func_name = armada_38x_mpp_modes[selector].settings[i].name; + sub_name = armada_38x_mpp_modes[selector].settings[i].subname; + } + + snprintf(buf, size, "%s%s%s", + func_name ? func_name : "unknown", + sub_name ? "_" : "", + sub_name ? sub_name : ""); + return 0; +} + +static int armada_38x_pinctrl_pinmux_set(struct udevice *dev, unsigned int pin_selector, + unsigned int func_selector) +{ + struct armada_38x_pinctrl *info = dev_get_priv(dev); + unsigned int off = (pin_selector / MVEBU_MPPS_PER_REG) * MVEBU_MPP_BITS; + unsigned int shift = (pin_selector % MVEBU_MPPS_PER_REG) * MVEBU_MPP_BITS; + const char *func_name = armada_38x_mpp_function_names[func_selector]; + unsigned long config, reg; + int i; + + for (i = 0; i < armada_38x_mpp_modes[pin_selector].nsettings; i++) { + if (strcmp(armada_38x_mpp_modes[pin_selector].settings[i].name, func_name) == 0) + break; + } + + if (i >= armada_38x_mpp_modes[pin_selector].nsettings) + return -EINVAL; + + if (!(info->variant & armada_38x_mpp_modes[pin_selector].settings[i].variant)) + return -EINVAL; + + reg = readl(info->base + off) & ~(MVEBU_MPP_MASK << shift); + config = armada_38x_mpp_modes[pin_selector].settings[i].val; + writel(reg | (config << shift), info->base + off); + + return 0; +} + +static int armada_38x_pinctrl_gpio_request_enable(struct udevice *dev, unsigned int selector) +{ + char buf[20]; + + armada_38x_pinctrl_get_pin_muxing(dev, selector, buf, sizeof(buf)); + if (strcmp(buf, "gpio") != 0) + printf("Warning: Changing mpp%u function from %s to gpio...\n", selector, buf); + + return armada_38x_pinctrl_pinmux_set(dev, selector, 0); /* gpio is always function 0 */ +} + +static int armada_38x_pinctrl_gpio_disable_free(struct udevice *dev, unsigned int selector) +{ + /* nothing to do */ + return 0; +} + +static int armada_38x_pinctrl_set_state(struct udevice *dev, struct udevice *config) +{ + return pinctrl_generic_set_state_prefix(dev, config, "marvell,"); +} + +static int armada_38x_pinctrl_probe(struct udevice *dev) +{ + struct armada_38x_pinctrl *info = dev_get_priv(dev); + + info->variant = (u8)dev_get_driver_data(dev); + info->base = dev_read_addr_ptr(dev); + + if (!info->base) + return -EINVAL; + + return 0; +} + +struct pinctrl_ops armada_37xx_pinctrl_ops = { + .get_pins_count = armada_38x_pinctrl_get_pins_count, + .get_pin_name = armada_38x_pinctrl_get_pin_name, + .get_functions_count = armada_38x_pinctrl_get_functions_count, + .get_function_name = armada_38x_pinctrl_get_function_name, + .get_pin_muxing = armada_38x_pinctrl_get_pin_muxing, + .pinmux_set = armada_38x_pinctrl_pinmux_set, + .gpio_request_enable = armada_38x_pinctrl_gpio_request_enable, + .gpio_disable_free = armada_38x_pinctrl_gpio_disable_free, + .set_state = armada_38x_pinctrl_set_state, +}; + +static const struct udevice_id armada_38x_pinctrl_of_match[] = { + { + .compatible = "marvell,mv88f6810-pinctrl", + .data = V_88F6810, + }, + { + .compatible = "marvell,mv88f6820-pinctrl", + .data = V_88F6820, + }, + { + .compatible = "marvell,mv88f6828-pinctrl", + .data = V_88F6828, + }, + { }, +}; + +U_BOOT_DRIVER(armada_38x_pinctrl) = { + .name = "armada-38x-pinctrl", + .id = UCLASS_PINCTRL, + .of_match = of_match_ptr(armada_38x_pinctrl_of_match), + .probe = armada_38x_pinctrl_probe, + .priv_auto = sizeof(struct armada_38x_pinctrl), + .ops = &armada_37xx_pinctrl_ops, +}; |