diff options
| -rw-r--r-- | arch/arm/include/asm/arch-imx8ulp/imx8ulp-pins.h | 4 | ||||
| -rw-r--r-- | arch/arm/mach-imx/imx8ulp/clock.c | 6 | ||||
| -rw-r--r-- | arch/arm/mach-imx/imx8ulp/soc.c | 5 | ||||
| -rw-r--r-- | board/freescale/imx8ulp_evk/imx8ulp_evk.c | 56 |
4 files changed, 71 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-imx8ulp/imx8ulp-pins.h b/arch/arm/include/asm/arch-imx8ulp/imx8ulp-pins.h index d7c07f4..d0eefcb 100644 --- a/arch/arm/include/asm/arch-imx8ulp/imx8ulp-pins.h +++ b/arch/arm/include/asm/arch-imx8ulp/imx8ulp-pins.h @@ -9,6 +9,10 @@ #include <asm/arch/iomux.h> enum { + IMX8ULP_PAD_PTA3__TPM0_CH2 = IOMUX_PAD(0x000c, 0x000c, IOMUX_CONFIG_MPORTS | 0x6, 0x0948, 0x1, 0), + IMX8ULP_PAD_PTA8__LPI2C0_SCL = IOMUX_PAD(0x0020, 0x0020, IOMUX_CONFIG_MPORTS | 0x5, 0x097c, 0x2, 0), + IMX8ULP_PAD_PTA9__LPI2C0_SDA = IOMUX_PAD(0x0024, 0x0024, IOMUX_CONFIG_MPORTS | 0x5, 0x0980, 0x2, 0), + IMX8ULP_PAD_PTB7__PMIC0_MODE2 = IOMUX_PAD(0x009C, 0x009C, IOMUX_CONFIG_MPORTS | 0xA, 0x0000, 0x0, 0), IMX8ULP_PAD_PTB8__PMIC0_MODE1 = IOMUX_PAD(0x00A0, 0x00A0, IOMUX_CONFIG_MPORTS | 0xA, 0x0000, 0x0, 0), IMX8ULP_PAD_PTB9__PMIC0_MODE0 = IOMUX_PAD(0x00A4, 0x00A4, IOMUX_CONFIG_MPORTS | 0xA, 0x0000, 0x0, 0), diff --git a/arch/arm/mach-imx/imx8ulp/clock.c b/arch/arm/mach-imx/imx8ulp/clock.c index 02e90f7..e599e6c 100644 --- a/arch/arm/mach-imx/imx8ulp/clock.c +++ b/arch/arm/mach-imx/imx8ulp/clock.c @@ -186,6 +186,9 @@ int enable_i2c_clk(unsigned char enable, u32 i2c_num) LPI2C7_PCC4_SLOT << 8 | 4, }; + if (i2c_num == 0) + return 0; + if (i2c_num < 4 || i2c_num > 7) return -EINVAL; @@ -214,6 +217,9 @@ u32 imx_get_i2cclk(u32 i2c_num) LPI2C7_PCC4_SLOT << 8 | 4, }; + if (i2c_num == 0) + return 24000000; + if (i2c_num < 4 || i2c_num > 7) return 0; diff --git a/arch/arm/mach-imx/imx8ulp/soc.c b/arch/arm/mach-imx/imx8ulp/soc.c index f64a8fb..427b5e4 100644 --- a/arch/arm/mach-imx/imx8ulp/soc.c +++ b/arch/arm/mach-imx/imx8ulp/soc.c @@ -465,6 +465,11 @@ static int trdc_set_access(void) /* flexspi0 */ trdc_mrc_region_set_access(0, 7, 0x04000000, 0x0c000000, false); + + /* tpm0: PBridge1 slot 21 */ + trdc_mbc_set_access(2, 7, 1, 21, false); + /* lpi2c0: PBridge1 slot 24 */ + trdc_mbc_set_access(2, 7, 1, 24, false); return 0; } diff --git a/board/freescale/imx8ulp_evk/imx8ulp_evk.c b/board/freescale/imx8ulp_evk/imx8ulp_evk.c index 3ff4d43..1502e4d 100644 --- a/board/freescale/imx8ulp_evk/imx8ulp_evk.c +++ b/board/freescale/imx8ulp_evk/imx8ulp_evk.c @@ -12,6 +12,7 @@ #include <asm/arch/sys_proto.h> #include <miiphy.h> #include <netdev.h> +#include <asm/gpio.h> DECLARE_GLOBAL_DATA_PTR; @@ -48,11 +49,66 @@ int board_phy_config(struct phy_device *phydev) } #endif +#define I2C_PAD_CTRL (PAD_CTL_ODE) +static const iomux_cfg_t lpi2c0_pads[] = { + IMX8ULP_PAD_PTA8__LPI2C0_SCL | MUX_PAD_CTRL(I2C_PAD_CTRL), + IMX8ULP_PAD_PTA9__LPI2C0_SDA | MUX_PAD_CTRL(I2C_PAD_CTRL), +}; + +#define TPM_PAD_CTRL (PAD_CTL_DSE) +static const iomux_cfg_t tpm0_pads[] = { + IMX8ULP_PAD_PTA3__TPM0_CH2 | MUX_PAD_CTRL(TPM_PAD_CTRL), +}; + +void mipi_dsi_mux_panel(void) +{ + int ret; + struct gpio_desc desc; + + /* It is temp solution to directly access i2c, need change to rpmsg later */ + + /* enable lpi2c0 clock and iomux */ + imx8ulp_iomux_setup_multiple_pads(lpi2c0_pads, ARRAY_SIZE(lpi2c0_pads)); + writel(0xD2000000, 0x28091060); + + ret = dm_gpio_lookup_name("gpio@20_9", &desc); + if (ret) { + printf("%s lookup gpio@20_9 failed ret = %d\n", __func__, ret); + return; + } + + ret = dm_gpio_request(&desc, "dsi_mux"); + if (ret) { + printf("%s request dsi_mux failed ret = %d\n", __func__, ret); + return; + } + + dm_gpio_set_dir_flags(&desc, GPIOD_IS_OUT | GPIOD_IS_OUT_ACTIVE); +} + +void mipi_dsi_panel_backlight(void) +{ + /* It is temp solution to directly access pwm, need change to rpmsg later */ + imx8ulp_iomux_setup_multiple_pads(tpm0_pads, ARRAY_SIZE(tpm0_pads)); + writel(0xD4000001, 0x28091054); + + /* Use center-aligned PWM mode, CPWMS=1, MSnB:MSnA = 10, ELSnB:ELSnA = 00 */ + writel(1000, 0x28095018); + writel(1000, 0x28095034); /* MOD = CV, full duty */ + writel(0x28, 0x28095010); + writel(0x20, 0x28095030); +} + int board_init(void) { if (IS_ENABLED(CONFIG_FEC_MXC)) setup_fec(); + if (IS_ENABLED(CONFIG_DM_VIDEO)) { + mipi_dsi_mux_panel(); + mipi_dsi_panel_backlight(); + } + return 0; } |