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rockchip: rk3568: add rk3568 pinctrl driver
Add driver supporting pin multiplexing on rk3568 platform. Co-developed-by: Manoj Sai <abbaraju.manojsai@amarulasolutions.com> Signed-off-by: Manoj Sai <abbaraju.manojsai@amarulasolutions.com> Co-developed-by: Jianqun Xu <jay.xu@rock-chips.com> Signed-off-by: Jianqun Xu <jay.xu@rock-chips.com> Signed-off-by: Jagan Teki <jagan@edgeble.ai> Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
This commit is contained in:
parent
3abfd33e57
commit
1977d746aa
2 changed files with 363 additions and 0 deletions
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@ -14,5 +14,6 @@ obj-$(CONFIG_ROCKCHIP_RK3308) += pinctrl-rk3308.o
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obj-$(CONFIG_ROCKCHIP_RK3328) += pinctrl-rk3328.o
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obj-$(CONFIG_ROCKCHIP_RK3368) += pinctrl-rk3368.o
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obj-$(CONFIG_ROCKCHIP_RK3399) += pinctrl-rk3399.o
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obj-$(CONFIG_ROCKCHIP_RK3568) += pinctrl-rk3568.o
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obj-$(CONFIG_ROCKCHIP_RV1108) += pinctrl-rv1108.o
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obj-$(CONFIG_ROCKCHIP_RV1126) += pinctrl-rv1126.o
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362
drivers/pinctrl/rockchip/pinctrl-rk3568.c
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362
drivers/pinctrl/rockchip/pinctrl-rk3568.c
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@ -0,0 +1,362 @@
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// SPDX-License-Identifier: GPL-2.0+
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/*
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* (C) Copyright 2020 Rockchip Electronics Co., Ltd
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*/
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#include <common.h>
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#include <dm.h>
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#include <dm/pinctrl.h>
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#include <regmap.h>
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#include <syscon.h>
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#include <dt-bindings/pinctrl/rockchip.h>
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#include "pinctrl-rockchip.h"
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static struct rockchip_mux_route_data rk3568_mux_route_data[] = {
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MR_TOPGRF(RK_GPIO0, RK_PB3, RK_FUNC_2, 0x0300, RK_GENMASK_VAL(0, 0, 0)), /* CAN0 IO mux selection M0 */
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MR_TOPGRF(RK_GPIO2, RK_PA1, RK_FUNC_4, 0x0300, RK_GENMASK_VAL(0, 0, 1)), /* CAN0 IO mux selection M1 */
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MR_TOPGRF(RK_GPIO1, RK_PA1, RK_FUNC_3, 0x0300, RK_GENMASK_VAL(2, 2, 0)), /* CAN1 IO mux selection M0 */
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MR_TOPGRF(RK_GPIO4, RK_PC3, RK_FUNC_3, 0x0300, RK_GENMASK_VAL(2, 2, 1)), /* CAN1 IO mux selection M1 */
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MR_TOPGRF(RK_GPIO4, RK_PB5, RK_FUNC_3, 0x0300, RK_GENMASK_VAL(4, 4, 0)), /* CAN2 IO mux selection M0 */
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MR_TOPGRF(RK_GPIO2, RK_PB2, RK_FUNC_4, 0x0300, RK_GENMASK_VAL(4, 4, 1)), /* CAN2 IO mux selection M1 */
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MR_TOPGRF(RK_GPIO4, RK_PC4, RK_FUNC_1, 0x0300, RK_GENMASK_VAL(6, 6, 0)), /* EDPDP_HPDIN IO mux selection M0 */
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MR_TOPGRF(RK_GPIO0, RK_PC2, RK_FUNC_2, 0x0300, RK_GENMASK_VAL(6, 6, 1)), /* EDPDP_HPDIN IO mux selection M1 */
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MR_TOPGRF(RK_GPIO3, RK_PB1, RK_FUNC_3, 0x0300, RK_GENMASK_VAL(8, 8, 0)), /* GMAC1 IO mux selection M0 */
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MR_TOPGRF(RK_GPIO4, RK_PA7, RK_FUNC_3, 0x0300, RK_GENMASK_VAL(8, 8, 1)), /* GMAC1 IO mux selection M1 */
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MR_TOPGRF(RK_GPIO4, RK_PD1, RK_FUNC_1, 0x0300, RK_GENMASK_VAL(10, 10, 0)), /* HDMITX IO mux selection M0 */
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MR_TOPGRF(RK_GPIO0, RK_PC7, RK_FUNC_1, 0x0300, RK_GENMASK_VAL(10, 10, 1)), /* HDMITX IO mux selection M1 */
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MR_TOPGRF(RK_GPIO0, RK_PB6, RK_FUNC_1, 0x0300, RK_GENMASK_VAL(14, 14, 0)), /* I2C2 IO mux selection M0 */
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MR_TOPGRF(RK_GPIO4, RK_PB4, RK_FUNC_1, 0x0300, RK_GENMASK_VAL(14, 14, 1)), /* I2C2 IO mux selection M1 */
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MR_TOPGRF(RK_GPIO1, RK_PA0, RK_FUNC_1, 0x0304, RK_GENMASK_VAL(0, 0, 0)), /* I2C3 IO mux selection M0 */
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MR_TOPGRF(RK_GPIO3, RK_PB6, RK_FUNC_4, 0x0304, RK_GENMASK_VAL(0, 0, 1)), /* I2C3 IO mux selection M1 */
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MR_TOPGRF(RK_GPIO4, RK_PB2, RK_FUNC_1, 0x0304, RK_GENMASK_VAL(2, 2, 0)), /* I2C4 IO mux selection M0 */
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MR_TOPGRF(RK_GPIO2, RK_PB1, RK_FUNC_2, 0x0304, RK_GENMASK_VAL(2, 2, 1)), /* I2C4 IO mux selection M1 */
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MR_TOPGRF(RK_GPIO3, RK_PB4, RK_FUNC_4, 0x0304, RK_GENMASK_VAL(4, 4, 0)), /* I2C5 IO mux selection M0 */
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MR_TOPGRF(RK_GPIO4, RK_PD0, RK_FUNC_2, 0x0304, RK_GENMASK_VAL(4, 4, 1)), /* I2C5 IO mux selection M1 */
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MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_1, 0x0304, RK_GENMASK_VAL(6, 6, 0)), /* PWM4 IO mux selection M0 */
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MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_1, 0x0304, RK_GENMASK_VAL(6, 6, 1)), /* PWM4 IO mux selection M1 */
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MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_1, 0x0304, RK_GENMASK_VAL(8, 8, 0)), /* PWM5 IO mux selection M0 */
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MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_1, 0x0304, RK_GENMASK_VAL(8, 8, 1)), /* PWM5 IO mux selection M1 */
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MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_1, 0x0304, RK_GENMASK_VAL(10, 10, 0)), /* PWM6 IO mux selection M0 */
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MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_1, 0x0304, RK_GENMASK_VAL(10, 10, 1)), /* PWM6 IO mux selection M1 */
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MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_1, 0x0304, RK_GENMASK_VAL(12, 12, 0)), /* PWM7 IO mux selection M0 */
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MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_1, 0x0304, RK_GENMASK_VAL(12, 12, 1)), /* PWM7 IO mux selection M1 */
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MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_1, 0x0304, RK_GENMASK_VAL(14, 14, 0)), /* PWM8 IO mux selection M0 */
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MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_1, 0x0304, RK_GENMASK_VAL(14, 14, 1)), /* PWM8 IO mux selection M1 */
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MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_1, 0x0308, RK_GENMASK_VAL(0, 0, 0)), /* PWM9 IO mux selection M0 */
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MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_1, 0x0308, RK_GENMASK_VAL(0, 0, 1)), /* PWM9 IO mux selection M1 */
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MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_1, 0x0308, RK_GENMASK_VAL(2, 2, 0)), /* PWM10 IO mux selection M0 */
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MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_1, 0x0308, RK_GENMASK_VAL(2, 2, 1)), /* PWM10 IO mux selection M1 */
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MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_1, 0x0308, RK_GENMASK_VAL(4, 4, 0)), /* PWM11 IO mux selection M0 */
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MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_1, 0x0308, RK_GENMASK_VAL(4, 4, 1)), /* PWM11 IO mux selection M1 */
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MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_1, 0x0308, RK_GENMASK_VAL(6, 6, 0)), /* PWM12 IO mux selection M0 */
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MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_1, 0x0308, RK_GENMASK_VAL(6, 6, 1)), /* PWM12 IO mux selection M1 */
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MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_1, 0x0308, RK_GENMASK_VAL(8, 8, 0)), /* PWM13 IO mux selection M0 */
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MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_1, 0x0308, RK_GENMASK_VAL(8, 8, 1)), /* PWM13 IO mux selection M1 */
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MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_1, 0x0308, RK_GENMASK_VAL(10, 10, 0)), /* PWM14 IO mux selection M0 */
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MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_1, 0x0308, RK_GENMASK_VAL(10, 10, 1)), /* PWM14 IO mux selection M1 */
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MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_1, 0x0308, RK_GENMASK_VAL(12, 12, 0)), /* PWM15 IO mux selection M0 */
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MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_1, 0x0308, RK_GENMASK_VAL(12, 12, 1)), /* PWM15 IO mux selection M1 */
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MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_3, 0x0308, RK_GENMASK_VAL(14, 14, 0)), /* SDMMC2 IO mux selection M0 */
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MR_TOPGRF(RK_GPIO3, RK_PA5, RK_FUNC_5, 0x0308, RK_GENMASK_VAL(14, 14, 1)), /* SDMMC2 IO mux selection M1 */
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MR_TOPGRF(RK_GPIO0, RK_PB5, RK_FUNC_2, 0x030c, RK_GENMASK_VAL(0, 0, 0)), /* SPI0 IO mux selection M0 */
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MR_TOPGRF(RK_GPIO2, RK_PD3, RK_FUNC_3, 0x030c, RK_GENMASK_VAL(0, 0, 1)), /* SPI0 IO mux selection M1 */
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MR_TOPGRF(RK_GPIO2, RK_PB5, RK_FUNC_3, 0x030c, RK_GENMASK_VAL(2, 2, 0)), /* SPI1 IO mux selection M0 */
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MR_TOPGRF(RK_GPIO3, RK_PC3, RK_FUNC_3, 0x030c, RK_GENMASK_VAL(2, 2, 1)), /* SPI1 IO mux selection M1 */
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MR_TOPGRF(RK_GPIO2, RK_PC1, RK_FUNC_4, 0x030c, RK_GENMASK_VAL(4, 4, 0)), /* SPI2 IO mux selection M0 */
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MR_TOPGRF(RK_GPIO3, RK_PA0, RK_FUNC_3, 0x030c, RK_GENMASK_VAL(4, 4, 1)), /* SPI2 IO mux selection M1 */
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MR_TOPGRF(RK_GPIO4, RK_PB3, RK_FUNC_4, 0x030c, RK_GENMASK_VAL(6, 6, 0)), /* SPI3 IO mux selection M0 */
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MR_TOPGRF(RK_GPIO4, RK_PC2, RK_FUNC_2, 0x030c, RK_GENMASK_VAL(6, 6, 1)), /* SPI3 IO mux selection M1 */
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MR_TOPGRF(RK_GPIO2, RK_PB4, RK_FUNC_2, 0x030c, RK_GENMASK_VAL(8, 8, 0)), /* UART1 IO mux selection M0 */
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MR_TOPGRF(RK_GPIO0, RK_PD1, RK_FUNC_1, 0x030c, RK_GENMASK_VAL(8, 8, 1)), /* UART1 IO mux selection M1 */
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MR_TOPGRF(RK_GPIO0, RK_PD1, RK_FUNC_1, 0x030c, RK_GENMASK_VAL(10, 10, 0)), /* UART2 IO mux selection M0 */
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MR_TOPGRF(RK_GPIO1, RK_PD5, RK_FUNC_2, 0x030c, RK_GENMASK_VAL(10, 10, 1)), /* UART2 IO mux selection M1 */
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MR_TOPGRF(RK_GPIO1, RK_PA1, RK_FUNC_2, 0x030c, RK_GENMASK_VAL(12, 12, 0)), /* UART3 IO mux selection M0 */
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MR_TOPGRF(RK_GPIO3, RK_PB7, RK_FUNC_4, 0x030c, RK_GENMASK_VAL(12, 12, 1)), /* UART3 IO mux selection M1 */
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MR_TOPGRF(RK_GPIO1, RK_PA6, RK_FUNC_2, 0x030c, RK_GENMASK_VAL(14, 14, 0)), /* UART4 IO mux selection M0 */
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MR_TOPGRF(RK_GPIO3, RK_PB2, RK_FUNC_4, 0x030c, RK_GENMASK_VAL(14, 14, 1)), /* UART4 IO mux selection M1 */
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MR_TOPGRF(RK_GPIO2, RK_PA2, RK_FUNC_3, 0x0310, RK_GENMASK_VAL(0, 0, 0)), /* UART5 IO mux selection M0 */
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MR_TOPGRF(RK_GPIO3, RK_PC2, RK_FUNC_4, 0x0310, RK_GENMASK_VAL(0, 0, 1)), /* UART5 IO mux selection M1 */
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MR_TOPGRF(RK_GPIO2, RK_PA4, RK_FUNC_3, 0x0310, RK_GENMASK_VAL(2, 2, 0)), /* UART6 IO mux selection M0 */
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MR_TOPGRF(RK_GPIO1, RK_PD5, RK_FUNC_3, 0x0310, RK_GENMASK_VAL(2, 2, 1)), /* UART6 IO mux selection M1 */
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MR_TOPGRF(RK_GPIO2, RK_PA6, RK_FUNC_3, 0x0310, RK_GENMASK_VAL(5, 4, 0)), /* UART7 IO mux selection M0 */
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MR_TOPGRF(RK_GPIO3, RK_PC4, RK_FUNC_4, 0x0310, RK_GENMASK_VAL(5, 4, 1)), /* UART7 IO mux selection M1 */
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MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_1, 0x0310, RK_GENMASK_VAL(5, 4, 2)), /* UART7 IO mux selection M2 */
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MR_TOPGRF(RK_GPIO2, RK_PC5, RK_FUNC_3, 0x0310, RK_GENMASK_VAL(6, 6, 0)), /* UART8 IO mux selection M0 */
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MR_TOPGRF(RK_GPIO2, RK_PD7, RK_FUNC_4, 0x0310, RK_GENMASK_VAL(6, 6, 1)), /* UART8 IO mux selection M1 */
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MR_TOPGRF(RK_GPIO2, RK_PB0, RK_FUNC_3, 0x0310, RK_GENMASK_VAL(9, 8, 0)), /* UART9 IO mux selection M0 */
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MR_TOPGRF(RK_GPIO4, RK_PC5, RK_FUNC_4, 0x0310, RK_GENMASK_VAL(9, 8, 1)), /* UART9 IO mux selection M1 */
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MR_TOPGRF(RK_GPIO4, RK_PA4, RK_FUNC_4, 0x0310, RK_GENMASK_VAL(9, 8, 2)), /* UART9 IO mux selection M2 */
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MR_TOPGRF(RK_GPIO1, RK_PA2, RK_FUNC_1, 0x0310, RK_GENMASK_VAL(11, 10, 0)), /* I2S1 IO mux selection M0 */
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MR_TOPGRF(RK_GPIO3, RK_PC6, RK_FUNC_4, 0x0310, RK_GENMASK_VAL(11, 10, 1)), /* I2S1 IO mux selection M1 */
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MR_TOPGRF(RK_GPIO2, RK_PD0, RK_FUNC_5, 0x0310, RK_GENMASK_VAL(11, 10, 2)), /* I2S1 IO mux selection M2 */
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MR_TOPGRF(RK_GPIO2, RK_PC1, RK_FUNC_1, 0x0310, RK_GENMASK_VAL(12, 12, 0)), /* I2S2 IO mux selection M0 */
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MR_TOPGRF(RK_GPIO4, RK_PB6, RK_FUNC_5, 0x0310, RK_GENMASK_VAL(12, 12, 1)), /* I2S2 IO mux selection M1 */
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MR_TOPGRF(RK_GPIO3, RK_PA2, RK_FUNC_4, 0x0310, RK_GENMASK_VAL(14, 14, 0)), /* I2S3 IO mux selection M0 */
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MR_TOPGRF(RK_GPIO4, RK_PC2, RK_FUNC_5, 0x0310, RK_GENMASK_VAL(14, 14, 1)), /* I2S3 IO mux selection M1 */
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MR_TOPGRF(RK_GPIO1, RK_PA6, RK_FUNC_3, 0x0314, RK_GENMASK_VAL(0, 0, 0)), /* PDM IO mux selection M0 */
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MR_TOPGRF(RK_GPIO3, RK_PD6, RK_FUNC_5, 0x0314, RK_GENMASK_VAL(0, 0, 1)), /* PDM IO mux selection M1 */
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MR_TOPGRF(RK_GPIO0, RK_PA5, RK_FUNC_3, 0x0314, RK_GENMASK_VAL(3, 2, 0)), /* PCIE20 IO mux selection M0 */
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MR_TOPGRF(RK_GPIO2, RK_PD0, RK_FUNC_4, 0x0314, RK_GENMASK_VAL(3, 2, 1)), /* PCIE20 IO mux selection M1 */
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MR_TOPGRF(RK_GPIO1, RK_PB0, RK_FUNC_4, 0x0314, RK_GENMASK_VAL(3, 2, 2)), /* PCIE20 IO mux selection M2 */
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MR_TOPGRF(RK_GPIO0, RK_PA4, RK_FUNC_3, 0x0314, RK_GENMASK_VAL(5, 4, 0)), /* PCIE30X1 IO mux selection M0 */
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MR_TOPGRF(RK_GPIO2, RK_PD2, RK_FUNC_4, 0x0314, RK_GENMASK_VAL(5, 4, 1)), /* PCIE30X1 IO mux selection M1 */
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MR_TOPGRF(RK_GPIO1, RK_PA5, RK_FUNC_4, 0x0314, RK_GENMASK_VAL(5, 4, 2)), /* PCIE30X1 IO mux selection M2 */
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MR_TOPGRF(RK_GPIO0, RK_PA6, RK_FUNC_2, 0x0314, RK_GENMASK_VAL(7, 6, 0)), /* PCIE30X2 IO mux selection M0 */
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MR_TOPGRF(RK_GPIO2, RK_PD4, RK_FUNC_4, 0x0314, RK_GENMASK_VAL(7, 6, 1)), /* PCIE30X2 IO mux selection M1 */
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MR_TOPGRF(RK_GPIO4, RK_PC2, RK_FUNC_4, 0x0314, RK_GENMASK_VAL(7, 6, 2)), /* PCIE30X2 IO mux selection M2 */
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};
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static int rk3568_set_mux(struct rockchip_pin_bank *bank, int pin, int mux)
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{
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struct rockchip_pinctrl_priv *priv = bank->priv;
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int iomux_num = (pin / 8);
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struct regmap *regmap;
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int reg, ret, mask;
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u8 bit;
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u32 data;
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debug("setting mux of GPIO%d-%d to %d\n", bank->bank_num, pin, mux);
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if (bank->iomux[iomux_num].type & IOMUX_SOURCE_PMU)
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regmap = priv->regmap_pmu;
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else
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regmap = priv->regmap_base;
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reg = bank->iomux[iomux_num].offset;
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if ((pin % 8) >= 4)
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reg += 0x4;
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bit = (pin % 4) * 4;
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mask = 0xf;
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data = (mask << (bit + 16));
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data |= (mux & mask) << bit;
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ret = regmap_write(regmap, reg, data);
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return ret;
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}
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#define RK3568_PULL_PMU_OFFSET 0x20
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#define RK3568_PULL_GRF_OFFSET 0x80
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#define RK3568_PULL_BITS_PER_PIN 2
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#define RK3568_PULL_PINS_PER_REG 8
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#define RK3568_PULL_BANK_STRIDE 0x10
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static void rk3568_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
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int pin_num, struct regmap **regmap,
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int *reg, u8 *bit)
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{
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struct rockchip_pinctrl_priv *info = bank->priv;
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if (bank->bank_num == 0) {
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*regmap = info->regmap_pmu;
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*reg = RK3568_PULL_PMU_OFFSET;
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*reg += bank->bank_num * RK3568_PULL_BANK_STRIDE;
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} else {
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*regmap = info->regmap_base;
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*reg = RK3568_PULL_GRF_OFFSET;
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*reg += (bank->bank_num - 1) * RK3568_PULL_BANK_STRIDE;
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}
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*reg += ((pin_num / RK3568_PULL_PINS_PER_REG) * 4);
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*bit = (pin_num % RK3568_PULL_PINS_PER_REG);
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*bit *= RK3568_PULL_BITS_PER_PIN;
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}
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#define RK3568_DRV_PMU_OFFSET 0x70
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#define RK3568_DRV_GRF_OFFSET 0x200
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#define RK3568_DRV_BITS_PER_PIN 8
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#define RK3568_DRV_PINS_PER_REG 2
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#define RK3568_DRV_BANK_STRIDE 0x40
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static void rk3568_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank,
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int pin_num, struct regmap **regmap,
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int *reg, u8 *bit)
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{
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struct rockchip_pinctrl_priv *info = bank->priv;
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/* The first 32 pins of the first bank are located in PMU */
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if (bank->bank_num == 0) {
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*regmap = info->regmap_pmu;
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*reg = RK3568_DRV_PMU_OFFSET;
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} else {
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*regmap = info->regmap_base;
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*reg = RK3568_DRV_GRF_OFFSET;
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*reg += (bank->bank_num - 1) * RK3568_DRV_BANK_STRIDE;
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}
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*reg += ((pin_num / RK3568_DRV_PINS_PER_REG) * 4);
|
||||
*bit = (pin_num % RK3568_DRV_PINS_PER_REG);
|
||||
*bit *= RK3568_DRV_BITS_PER_PIN;
|
||||
}
|
||||
|
||||
#define RK3568_SCHMITT_BITS_PER_PIN 2
|
||||
#define RK3568_SCHMITT_PINS_PER_REG 8
|
||||
#define RK3568_SCHMITT_BANK_STRIDE 0x10
|
||||
#define RK3568_SCHMITT_GRF_OFFSET 0xc0
|
||||
#define RK3568_SCHMITT_PMUGRF_OFFSET 0x30
|
||||
|
||||
static int rk3568_calc_schmitt_reg_and_bit(struct rockchip_pin_bank *bank,
|
||||
int pin_num, struct regmap **regmap,
|
||||
int *reg, u8 *bit)
|
||||
{
|
||||
struct rockchip_pinctrl_priv *info = bank->priv;
|
||||
|
||||
if (bank->bank_num == 0) {
|
||||
*regmap = info->regmap_pmu;
|
||||
*reg = RK3568_SCHMITT_PMUGRF_OFFSET;
|
||||
} else {
|
||||
*regmap = info->regmap_base;
|
||||
*reg = RK3568_SCHMITT_GRF_OFFSET;
|
||||
*reg += (bank->bank_num - 1) * RK3568_SCHMITT_BANK_STRIDE;
|
||||
}
|
||||
|
||||
*reg += ((pin_num / RK3568_SCHMITT_PINS_PER_REG) * 4);
|
||||
*bit = pin_num % RK3568_SCHMITT_PINS_PER_REG;
|
||||
*bit *= RK3568_SCHMITT_BITS_PER_PIN;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int rk3568_set_pull(struct rockchip_pin_bank *bank,
|
||||
int pin_num, int pull)
|
||||
{
|
||||
struct regmap *regmap;
|
||||
int reg, ret;
|
||||
u8 bit, type;
|
||||
u32 data;
|
||||
|
||||
if (pull == PIN_CONFIG_BIAS_PULL_PIN_DEFAULT)
|
||||
return -ENOTSUPP;
|
||||
|
||||
rk3568_calc_pull_reg_and_bit(bank, pin_num, ®map, ®, &bit);
|
||||
type = bank->pull_type[pin_num / 8];
|
||||
ret = rockchip_translate_pull_value(type, pull);
|
||||
if (ret < 0) {
|
||||
debug("unsupported pull setting %d\n", pull);
|
||||
return ret;
|
||||
}
|
||||
|
||||
/* enable the write to the equivalent lower bits */
|
||||
data = ((1 << ROCKCHIP_PULL_BITS_PER_PIN) - 1) << (bit + 16);
|
||||
|
||||
data |= (ret << bit);
|
||||
ret = regmap_write(regmap, reg, data);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int rk3568_set_drive(struct rockchip_pin_bank *bank,
|
||||
int pin_num, int strength)
|
||||
{
|
||||
struct regmap *regmap;
|
||||
int reg;
|
||||
u32 data;
|
||||
u8 bit;
|
||||
int drv = (1 << (strength + 1)) - 1;
|
||||
int ret = 0;
|
||||
|
||||
rk3568_calc_drv_reg_and_bit(bank, pin_num, ®map, ®, &bit);
|
||||
|
||||
/* enable the write to the equivalent lower bits */
|
||||
data = ((1 << RK3568_DRV_BITS_PER_PIN) - 1) << (bit + 16);
|
||||
data |= (drv << bit);
|
||||
|
||||
ret = regmap_write(regmap, reg, data);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
if (bank->bank_num == 1 && pin_num == 21)
|
||||
reg = 0x0840;
|
||||
else if (bank->bank_num == 2 && pin_num == 2)
|
||||
reg = 0x0844;
|
||||
else if (bank->bank_num == 2 && pin_num == 8)
|
||||
reg = 0x0848;
|
||||
else if (bank->bank_num == 3 && pin_num == 0)
|
||||
reg = 0x084c;
|
||||
else if (bank->bank_num == 3 && pin_num == 6)
|
||||
reg = 0x0850;
|
||||
else if (bank->bank_num == 4 && pin_num == 0)
|
||||
reg = 0x0854;
|
||||
else
|
||||
return 0;
|
||||
|
||||
data = ((1 << RK3568_DRV_BITS_PER_PIN) - 1) << 16;
|
||||
data |= drv;
|
||||
|
||||
return regmap_write(regmap, reg, data);
|
||||
}
|
||||
|
||||
static int rk3568_set_schmitt(struct rockchip_pin_bank *bank,
|
||||
int pin_num, int enable)
|
||||
{
|
||||
struct regmap *regmap;
|
||||
int reg;
|
||||
u32 data;
|
||||
u8 bit;
|
||||
|
||||
rk3568_calc_schmitt_reg_and_bit(bank, pin_num, ®map, ®, &bit);
|
||||
|
||||
/* enable the write to the equivalent lower bits */
|
||||
data = ((1 << RK3568_SCHMITT_BITS_PER_PIN) - 1) << (bit + 16);
|
||||
data |= (enable << bit);
|
||||
|
||||
return regmap_write(regmap, reg, data);
|
||||
}
|
||||
|
||||
static struct rockchip_pin_bank rk3568_pin_banks[] = {
|
||||
PIN_BANK_IOMUX_FLAGS(0, 32, "gpio0", IOMUX_SOURCE_PMU | IOMUX_WIDTH_4BIT,
|
||||
IOMUX_SOURCE_PMU | IOMUX_WIDTH_4BIT,
|
||||
IOMUX_SOURCE_PMU | IOMUX_WIDTH_4BIT,
|
||||
IOMUX_SOURCE_PMU | IOMUX_WIDTH_4BIT),
|
||||
PIN_BANK_IOMUX_FLAGS(1, 32, "gpio1", IOMUX_WIDTH_4BIT,
|
||||
IOMUX_WIDTH_4BIT,
|
||||
IOMUX_WIDTH_4BIT,
|
||||
IOMUX_WIDTH_4BIT),
|
||||
PIN_BANK_IOMUX_FLAGS(2, 32, "gpio2", IOMUX_WIDTH_4BIT,
|
||||
IOMUX_WIDTH_4BIT,
|
||||
IOMUX_WIDTH_4BIT,
|
||||
IOMUX_WIDTH_4BIT),
|
||||
PIN_BANK_IOMUX_FLAGS(3, 32, "gpio3", IOMUX_WIDTH_4BIT,
|
||||
IOMUX_WIDTH_4BIT,
|
||||
IOMUX_WIDTH_4BIT,
|
||||
IOMUX_WIDTH_4BIT),
|
||||
PIN_BANK_IOMUX_FLAGS(4, 32, "gpio4", IOMUX_WIDTH_4BIT,
|
||||
IOMUX_WIDTH_4BIT,
|
||||
IOMUX_WIDTH_4BIT,
|
||||
IOMUX_WIDTH_4BIT),
|
||||
};
|
||||
|
||||
static const struct rockchip_pin_ctrl rk3568_pin_ctrl = {
|
||||
.pin_banks = rk3568_pin_banks,
|
||||
.nr_banks = ARRAY_SIZE(rk3568_pin_banks),
|
||||
.nr_pins = 160,
|
||||
.grf_mux_offset = 0x0,
|
||||
.pmu_mux_offset = 0x0,
|
||||
.iomux_routes = rk3568_mux_route_data,
|
||||
.niomux_routes = ARRAY_SIZE(rk3568_mux_route_data),
|
||||
.set_mux = rk3568_set_mux,
|
||||
.set_pull = rk3568_set_pull,
|
||||
.set_drive = rk3568_set_drive,
|
||||
.set_schmitt = rk3568_set_schmitt,
|
||||
};
|
||||
|
||||
static const struct udevice_id rk3568_pinctrl_ids[] = {
|
||||
{
|
||||
.compatible = "rockchip,rk3568-pinctrl",
|
||||
.data = (ulong)&rk3568_pin_ctrl
|
||||
},
|
||||
{ }
|
||||
};
|
||||
|
||||
U_BOOT_DRIVER(pinctrl_rk3568) = {
|
||||
.name = "rockchip_rk3568_pinctrl",
|
||||
.id = UCLASS_PINCTRL,
|
||||
.of_match = rk3568_pinctrl_ids,
|
||||
.priv_auto = sizeof(struct rockchip_pinctrl_priv),
|
||||
.ops = &rockchip_pinctrl_ops,
|
||||
#if CONFIG_IS_ENABLED(OF_REAL)
|
||||
.bind = dm_scan_fdt_dev,
|
||||
#endif
|
||||
.probe = rockchip_pinctrl_probe,
|
||||
};
|
Loading…
Reference in a new issue