From: Chao Fu <b44...@freescale.com>
This patch enable the DSPI moudle on VF610 platform with following udpate:
Add get_dspi_clk() function and enable DPSI clock gate.
Add DSPI iomux definition and set the iomux for DSPI.
Signed-off-by: Chao Fu <b44...@freescale.com>
---
Change in v2:
Separated vf610-twr update into patch 3/4.
Change in v3:
None.
arch/arm/cpu/armv7/vf610/generic.c | 7 +++++++
arch/arm/include/asm/arch-vf610/clock.h | 1 +
arch/arm/include/asm/arch-vf610/crm_regs.h | 1 +
arch/arm/include/asm/arch-vf610/iomux-vf610.h | 8 ++++++++
arch/arm/include/asm/imx-common/iomux-v3.h | 2 ++
5 files changed, 19 insertions(+)
diff --git a/arch/arm/cpu/armv7/vf610/generic.c
b/arch/arm/cpu/armv7/vf610/generic.c
index a26d63e..266343e 100644
--- a/arch/arm/cpu/armv7/vf610/generic.c
+++ b/arch/arm/cpu/armv7/vf610/generic.c
@@ -196,6 +196,11 @@ static u32 get_i2c_clk(void)
return get_ipg_clk();
}
+static u32 get_dspi_clk(void)
+{
+ return get_ipg_clk();
+}
+
unsigned int mxc_get_clock(enum mxc_clock clk)
{
switch (clk) {
@@ -213,6 +218,8 @@ unsigned int mxc_get_clock(enum mxc_clock clk)
return get_fec_clk();
case MXC_I2C_CLK:
return get_i2c_clk();
+ case MXC_DSPI_CLK:
+ return get_dspi_clk();
default:
break;
}
diff --git a/arch/arm/include/asm/arch-vf610/clock.h
b/arch/arm/include/asm/arch-vf610/clock.h
index 535adad..e5a5c6d 100644
--- a/arch/arm/include/asm/arch-vf610/clock.h
+++ b/arch/arm/include/asm/arch-vf610/clock.h
@@ -17,6 +17,7 @@ enum mxc_clock {
MXC_ESDHC_CLK,
MXC_FEC_CLK,
MXC_I2C_CLK,
+ MXC_DSPI_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 85f1fda..a03c627 100644
--- a/arch/arm/include/asm/arch-vf610/crm_regs.h
+++ b/arch/arm/include/asm/arch-vf610/crm_regs.h
@@ -165,6 +165,7 @@ struct anadig_reg {
#define CCM_REG_CTRL_MASK 0xffffffff
#define CCM_CCGR0_UART1_CTRL_MASK (0x3 << 16)
+#define CCM_CCGR0_DSPI0_CTRL_MASK (0x3 << 24)
#define CCM_CCGR1_PIT_CTRL_MASK (0x3 << 14)
#define CCM_CCGR1_WDOGA5_CTRL_MASK (0x3 << 28)
#define CCM_CCGR2_IOMUXC_CTRL_MASK (0x3 << 16)
diff --git a/arch/arm/include/asm/arch-vf610/iomux-vf610.h
b/arch/arm/include/asm/arch-vf610/iomux-vf610.h
index 4a39eb0..2942ebd 100644
--- a/arch/arm/include/asm/arch-vf610/iomux-vf610.h
+++ b/arch/arm/include/asm/arch-vf610/iomux-vf610.h
@@ -19,6 +19,10 @@
#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)
+#define VF610_DSPI_PAD_CTRL (PAD_CTL_OBE | PAD_CTL_DSE_25ohm | \
+ PAD_CTL_SPEED_MED)
+#define VF610_DSPI_SIN_PAD_CTRL (PAD_CTL_IBE | PAD_CTL_DSE_25ohm | \
+ PAD_CTL_SPEED_MED)
enum {
VF610_PAD_PTA6__RMII0_CLKIN = IOMUX_PAD(0x0000, 0x0000, 2,
__NA_, 0, VF610_ENET_PAD_CTRL),
@@ -41,6 +45,10 @@ enum {
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_PTB19__DSPI0_CS0 = IOMUX_PAD(0x00a4, 0x00a4, 1,
__NA_, 0, VF610_DSPI_PAD_CTRL),
+ VF610_PAD_PTB20__DSPI0_SIN = IOMUX_PAD(0x00a8, 0x00a8, 1,
__NA_, 0, VF610_DSPI_SIN_PAD_CTRL),
+ VF610_PAD_PTB21__DSPI0_SOUT = IOMUX_PAD(0x00ac, 0x00ac, 1,
__NA_, 0, VF610_DSPI_PAD_CTRL),
+ VF610_PAD_PTB22__DSPI0_SCK = IOMUX_PAD(0x00b0, 0x00b0, 1,
__NA_, 0, VF610_DSPI_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),
diff --git a/arch/arm/include/asm/imx-common/iomux-v3.h
b/arch/arm/include/asm/imx-common/iomux-v3.h
index dc2b3ef..bd07758 100644
--- a/arch/arm/include/asm/imx-common/iomux-v3.h
+++ b/arch/arm/include/asm/imx-common/iomux-v3.h
@@ -124,6 +124,8 @@ typedef u64 iomux_v3_cfg_t;
#define PAD_CTL_PUS_100K_UP (2 << 4 | PAD_CTL_PUE)
#define PAD_CTL_PKE (1 << 3)
#define PAD_CTL_PUE (1 << 2 | PAD_CTL_PKE)
+#define PAD_CTL_OBE (1 << 1)
+#define PAD_CTL_IBE (1 << 0)
#define PAD_CTL_OBE_IBE_ENABLE (3 << 0)
--
1.8.4
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