diff options
| author | Alison Wang <b18965@freescale.com> | 2013-06-17 15:30:38 +0800 |
|---|---|---|
| committer | Heiko Schocher <hs@denx.de> | 2013-07-23 08:34:57 +0200 |
| commit | 1221b3d74a0d92f3fcb5ff3e8b6f721f562b8305 (patch) | |
| tree | 2aec28f28577a803a7fa215176ef12577899cdf4 /arch | |
| parent | cfb25cc40e6cb0f59f751bfb452bba8be8873ee7 (diff) | |
| download | u-boot-imx-1221b3d74a0d92f3fcb5ff3e8b6f721f562b8305.zip u-boot-imx-1221b3d74a0d92f3fcb5ff3e8b6f721f562b8305.tar.gz u-boot-imx-1221b3d74a0d92f3fcb5ff3e8b6f721f562b8305.tar.bz2 | |
vf610: Add I2C support for Vybrid VF610 platform
This patch adds I2C support for Vybrid VF610 platform and adds
I2C0 support to VF610TWR board.
Signed-off-by: Alison Wang <b18965@freescale.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/cpu/armv7/vf610/generic.c | 7 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-vf610/clock.h | 1 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-vf610/crm_regs.h | 1 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-vf610/imx-regs.h | 1 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-vf610/iomux-vf610.h | 4 |
5 files changed, 14 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/vf610/generic.c b/arch/arm/cpu/armv7/vf610/generic.c index 87f2a86..f6ef495 100644 --- a/arch/arm/cpu/armv7/vf610/generic.c +++ b/arch/arm/cpu/armv7/vf610/generic.c @@ -204,6 +204,11 @@ u32 get_fec_clk(void) return freq; } +static u32 get_i2c_clk(void) +{ + return get_ipg_clk(); +} + unsigned int mxc_get_clock(enum mxc_clock clk) { switch (clk) { @@ -219,6 +224,8 @@ unsigned int mxc_get_clock(enum mxc_clock clk) return get_sdhc_clk(); case MXC_FEC_CLK: return get_fec_clk(); + case MXC_I2C_CLK: + return get_i2c_clk(); default: break; } diff --git a/arch/arm/include/asm/arch-vf610/clock.h b/arch/arm/include/asm/arch-vf610/clock.h index 04e418c..3cbae0b 100644 --- a/arch/arm/include/asm/arch-vf610/clock.h +++ b/arch/arm/include/asm/arch-vf610/clock.h @@ -29,6 +29,7 @@ enum mxc_clock { MXC_UART_CLK, MXC_ESDHC_CLK, MXC_FEC_CLK, + MXC_I2C_CLK, }; void enable_ocotp_clk(unsigned char enable); diff --git a/arch/arm/include/asm/arch-vf610/crm_regs.h b/arch/arm/include/asm/arch-vf610/crm_regs.h index e3f703d..6a67eb0 100644 --- a/arch/arm/include/asm/arch-vf610/crm_regs.h +++ b/arch/arm/include/asm/arch-vf610/crm_regs.h @@ -190,6 +190,7 @@ struct anadig_reg { #define CCM_CCGR4_WKUP_CTRL_MASK (0x3 << 20) #define CCM_CCGR4_CCM_CTRL_MASK (0x3 << 22) #define CCM_CCGR4_GPC_CTRL_MASK (0x3 << 24) +#define CCM_CCGR4_I2C0_CTRL_MASK (0x3 << 12) #define CCM_CCGR6_OCOTP_CTRL_MASK (0x3 << 10) #define CCM_CCGR6_DDRMC_CTRL_MASK (0x3 << 28) #define CCM_CCGR7_SDHC1_CTRL_MASK (0x3 << 4) diff --git a/arch/arm/include/asm/arch-vf610/imx-regs.h b/arch/arm/include/asm/arch-vf610/imx-regs.h index c9df32a..742e20a 100644 --- a/arch/arm/include/asm/arch-vf610/imx-regs.h +++ b/arch/arm/include/asm/arch-vf610/imx-regs.h @@ -103,6 +103,7 @@ #define CONFIG_IOMUX_SHARE_CONF_REG #define FEC_QUIRK_ENET_MAC +#define I2C_QUIRK_REG /* MSCM interrupt rounter */ #define MSCM_IRSPRC_CP0_EN 1 diff --git a/arch/arm/include/asm/arch-vf610/iomux-vf610.h b/arch/arm/include/asm/arch-vf610/iomux-vf610.h index 1c728fa..7aeadce 100644 --- a/arch/arm/include/asm/arch-vf610/iomux-vf610.h +++ b/arch/arm/include/asm/arch-vf610/iomux-vf610.h @@ -30,6 +30,8 @@ #define VF610_ENET_PAD_CTRL (PAD_CTL_PUS_47K_UP | PAD_CTL_DSE_50ohm | \ PAD_CTL_OBE_IBE_ENABLE) #define VF610_DDR_PAD_CTRL PAD_CTL_DSE_25ohm +#define VF610_I2C_PAD_CTRL (PAD_CTL_PUS_47K_UP | PAD_CTL_DSE_50ohm | \ + PAD_CTL_SPEED_HIGH | PAD_CTL_OBE_IBE_ENABLE) enum { VF610_PAD_PTA6__RMII0_CLKIN = IOMUX_PAD(0x0000, 0x0000, 2, __NA_, 0, VF610_ENET_PAD_CTRL), @@ -50,6 +52,8 @@ enum { VF610_PAD_PTA27__ESDHC1_DAT1 = IOMUX_PAD(0x0044, 0x0044, 5, __NA_, 0, VF610_SDHC_PAD_CTRL), VF610_PAD_PTA28__ESDHC1_DAT2 = IOMUX_PAD(0x0048, 0x0048, 5, __NA_, 0, VF610_SDHC_PAD_CTRL), VF610_PAD_PTA29__ESDHC1_DAT3 = IOMUX_PAD(0x004c, 0x004c, 5, __NA_, 0, VF610_SDHC_PAD_CTRL), + VF610_PAD_PTB14__I2C0_SCL = IOMUX_PAD(0x0090, 0x0090, 2, 0x033c, 1, VF610_I2C_PAD_CTRL), + VF610_PAD_PTB15__I2C0_SDA = IOMUX_PAD(0x0094, 0x0094, 2, 0x0340, 1, VF610_I2C_PAD_CTRL), VF610_PAD_DDR_A15__DDR_A_15 = IOMUX_PAD(0x0220, 0x0220, 0, __NA_, 0, VF610_DDR_PAD_CTRL), VF610_PAD_DDR_A14__DDR_A_14 = IOMUX_PAD(0x0224, 0x0224, 0, __NA_, 0, VF610_DDR_PAD_CTRL), VF610_PAD_DDR_A13__DDR_A_13 = IOMUX_PAD(0x0228, 0x0228, 0, __NA_, 0, VF610_DDR_PAD_CTRL), |