diff options
Diffstat (limited to 'arch')
-rw-r--r-- | arch/arm/cpu/arm926ejs/lpc32xx/devices.c | 5 | ||||
-rw-r--r-- | arch/arm/include/asm/arch-lpc32xx/gpio.h | 43 |
2 files changed, 48 insertions, 0 deletions
diff --git a/arch/arm/cpu/arm926ejs/lpc32xx/devices.c b/arch/arm/cpu/arm926ejs/lpc32xx/devices.c index 81b53ea..a407098 100644 --- a/arch/arm/cpu/arm926ejs/lpc32xx/devices.c +++ b/arch/arm/cpu/arm926ejs/lpc32xx/devices.c @@ -9,6 +9,7 @@ #include <asm/arch/clk.h> #include <asm/arch/uart.h> #include <asm/io.h> +#include <dm.h> static struct clk_pm_regs *clk = (struct clk_pm_regs *)CLK_PM_BASE; static struct uart_ctrl_regs *ctrl = (struct uart_ctrl_regs *)UART_CTRL_BASE; @@ -61,3 +62,7 @@ void lpc32xx_i2c_init(unsigned int devnum) ctrl |= CLK_I2C2_ENABLE; writel(ctrl, &clk->i2cclk_ctrl); } + +U_BOOT_DEVICE(lpc32xx_gpios) = { + .name = "gpio_lpc32xx" +}; diff --git a/arch/arm/include/asm/arch-lpc32xx/gpio.h b/arch/arm/include/asm/arch-lpc32xx/gpio.h new file mode 100644 index 0000000..3bd94e3 --- /dev/null +++ b/arch/arm/include/asm/arch-lpc32xx/gpio.h @@ -0,0 +1,43 @@ +/* + * LPC32xx GPIO interface + * + * (C) Copyright 2014 DENX Software Engineering GmbH + * Written-by: Albert ARIBAUD <albert.aribaud@3adev.fr> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +/** + * GPIO Register map for LPC32xx + */ + +struct gpio_regs { + u32 p3_inp_state; + u32 p3_outp_set; + u32 p3_outp_clr; + u32 p3_outp_state; + /* Watch out! the following are shared between p2 and p3 */ + u32 p2_p3_dir_set; + u32 p2_p3_dir_clr; + u32 p2_p3_dir_state; + /* Now back to 'one register for one port' */ + u32 p2_inp_state; + u32 p2_outp_set; + u32 p2_outp_clr; + u32 reserved1[6]; + u32 p0_inp_state; + u32 p0_outp_set; + u32 p0_outp_clr; + u32 p0_outp_state; + u32 p0_dir_set; + u32 p0_dir_clr; + u32 p0_dir_state; + u32 reserved2; + u32 p1_inp_state; + u32 p1_outp_set; + u32 p1_outp_clr; + u32 p1_outp_state; + u32 p1_dir_set; + u32 p1_dir_clr; + u32 p1_dir_state; +}; |