[PATCH 6/8] i.MX25: add AUDMUX and SSI support
Eric Bénard
eric at eukrea.com
Tue Jun 8 05:03:00 EDT 2010
* add clocks for audmux and ssi 1 & 2
* add irq for ssi 1 & 2
* add devices platform for ssi1 & 2
* update audmux-v2 for i.MX25
* add base addresses for audmux & ssi 1 & 2
* add iomux configuration for GPIO for AUD5 port
Signed-off-by: Eric Bénard <eric at eukrea.com>
---
arch/arm/mach-mx25/clock.c | 18 ++++++++++++
arch/arm/mach-mx25/devices.c | 38 +++++++++++++++++++++++++++
arch/arm/mach-mx25/devices.h | 2 +
arch/arm/plat-mxc/Kconfig | 1 +
arch/arm/plat-mxc/audmux-v2.c | 15 ++++++++++-
arch/arm/plat-mxc/include/mach/iomux-mx25.h | 4 +++
arch/arm/plat-mxc/include/mach/mx25.h | 7 ++++-
7 files changed, 83 insertions(+), 2 deletions(-)
diff --git a/arch/arm/mach-mx25/clock.c b/arch/arm/mach-mx25/clock.c
index d2835ff..bdf6e76 100644
--- a/arch/arm/mach-mx25/clock.c
+++ b/arch/arm/mach-mx25/clock.c
@@ -109,6 +109,16 @@ static unsigned long get_rate_uart(struct clk *clk)
return get_rate_per(15);
}
+static unsigned long get_rate_ssi2(struct clk *clk)
+{
+ return get_rate_per(14);
+}
+
+static unsigned long get_rate_ssi1(struct clk *clk)
+{
+ return get_rate_per(13);
+}
+
static unsigned long get_rate_i2c(struct clk *clk)
{
return get_rate_per(6);
@@ -171,6 +181,8 @@ static void clk_cgcr_disable(struct clk *clk)
DEFINE_CLOCK(gpt_clk, 0, CCM_CGCR0, 5, get_rate_gpt, NULL, NULL);
DEFINE_CLOCK(uart_per_clk, 0, CCM_CGCR0, 15, get_rate_uart, NULL, NULL);
+DEFINE_CLOCK(ssi1_per_clk, 0, CCM_CGCR0, 13, get_rate_ipg, NULL, NULL);
+DEFINE_CLOCK(ssi2_per_clk, 0, CCM_CGCR0, 14, get_rate_ipg, NULL, NULL);
DEFINE_CLOCK(cspi1_clk, 0, CCM_CGCR1, 5, get_rate_ipg, NULL, NULL);
DEFINE_CLOCK(cspi2_clk, 0, CCM_CGCR1, 6, get_rate_ipg, NULL, NULL);
DEFINE_CLOCK(cspi3_clk, 0, CCM_CGCR1, 7, get_rate_ipg, NULL, NULL);
@@ -194,6 +206,9 @@ DEFINE_CLOCK(i2c_clk, 0, CCM_CGCR0, 6, get_rate_i2c, NULL, NULL);
DEFINE_CLOCK(fec_clk, 0, CCM_CGCR1, 15, get_rate_ipg, NULL, &fec_ahb_clk);
DEFINE_CLOCK(dryice_clk, 0, CCM_CGCR1, 8, get_rate_ipg, NULL, NULL);
DEFINE_CLOCK(lcdc_clk, 0, CCM_CGCR1, 29, get_rate_lcdc, NULL, &lcdc_per_clk);
+DEFINE_CLOCK(ssi1_clk, 0, CCM_CGCR2, 11, get_rate_ssi1, NULL, &ssi1_per_clk);
+DEFINE_CLOCK(ssi2_clk, 1, CCM_CGCR2, 12, get_rate_ssi2, NULL, &ssi2_per_clk);
+DEFINE_CLOCK(audmux_clk, 0, CCM_CGCR1, 0, NULL, NULL, NULL);
#define _REGISTER_CLOCK(d, n, c) \
{ \
@@ -228,6 +243,9 @@ static struct clk_lookup lookups[] = {
_REGISTER_CLOCK("fec.0", NULL, fec_clk)
_REGISTER_CLOCK("imxdi_rtc.0", NULL, dryice_clk)
_REGISTER_CLOCK("imx-fb.0", NULL, lcdc_clk)
+ _REGISTER_CLOCK("imx-ssi.0", NULL, ssi1_clk)
+ _REGISTER_CLOCK("imx-ssi.1", NULL, ssi2_clk)
+ _REGISTER_CLOCK(NULL, "audmux", audmux_clk)
};
int __init mx25_clocks_init(void)
diff --git a/arch/arm/mach-mx25/devices.c b/arch/arm/mach-mx25/devices.c
index 032a347..1382fcf 100644
--- a/arch/arm/mach-mx25/devices.c
+++ b/arch/arm/mach-mx25/devices.c
@@ -513,3 +513,41 @@ struct platform_device mxc_wdt = {
.num_resources = ARRAY_SIZE(mxc_wdt_resources),
.resource = mxc_wdt_resources,
};
+
+static struct resource imx_ssi_resources0[] = {
+ {
+ .start = MX25_SSI1_BASE_ADDR,
+ .end = MX25_SSI1_BASE_ADDR + 0x3fff,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .start = MX25_INT_SSI1,
+ .end = MX25_INT_SSI1,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct resource imx_ssi_resources1[] = {
+ {
+ .start = MX25_SSI2_BASE_ADDR,
+ .end = MX25_SSI2_BASE_ADDR + 0x3fff,
+ .flags = IORESOURCE_MEM
+ }, {
+ .start = MX25_INT_SSI2,
+ .end = MX25_INT_SSI2,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+struct platform_device imx_ssi_device0 = {
+ .name = "imx-ssi",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(imx_ssi_resources0),
+ .resource = imx_ssi_resources0,
+};
+
+struct platform_device imx_ssi_device1 = {
+ .name = "imx-ssi",
+ .id = 1,
+ .num_resources = ARRAY_SIZE(imx_ssi_resources1),
+ .resource = imx_ssi_resources1,
+};
diff --git a/arch/arm/mach-mx25/devices.h b/arch/arm/mach-mx25/devices.h
index cee12c0..f886e82 100644
--- a/arch/arm/mach-mx25/devices.h
+++ b/arch/arm/mach-mx25/devices.h
@@ -22,3 +22,5 @@ extern struct platform_device mxc_nand_device;
extern struct platform_device mx25_rtc_device;
extern struct platform_device mx25_fb_device;
extern struct platform_device mxc_wdt;
+extern struct platform_device imx_ssi_device0;
+extern struct platform_device imx_ssi_device1;
diff --git a/arch/arm/plat-mxc/Kconfig b/arch/arm/plat-mxc/Kconfig
index 7f7ad6f..902ba9e 100644
--- a/arch/arm/plat-mxc/Kconfig
+++ b/arch/arm/plat-mxc/Kconfig
@@ -25,6 +25,7 @@ config ARCH_MX25
select CPU_ARM926T
select ARCH_MXC_IOMUX_V3
select HAVE_FB_IMX
+ select ARCH_MXC_AUDMUX_V2
help
This enables support for systems based on the Freescale i.MX25 family
diff --git a/arch/arm/plat-mxc/audmux-v2.c b/arch/arm/plat-mxc/audmux-v2.c
index 0c2cc5c..ab94d78 100644
--- a/arch/arm/plat-mxc/audmux-v2.c
+++ b/arch/arm/plat-mxc/audmux-v2.c
@@ -191,6 +191,7 @@ static int mxc_audmux_v2_init(void)
{
int ret;
+#if defined(CONFIG_ARCH_MX3)
if (cpu_is_mx31())
audmux_base = MX31_IO_ADDRESS(MX31_AUDMUX_BASE_ADDR);
@@ -204,7 +205,19 @@ static int mxc_audmux_v2_init(void)
}
audmux_base = MX35_IO_ADDRESS(MX35_AUDMUX_BASE_ADDR);
}
-
+#endif
+#if defined(CONFIG_ARCH_MX25)
+ if (cpu_is_mx25()) {
+ audmux_clk = clk_get(NULL, "audmux");
+ if (IS_ERR(audmux_clk)) {
+ ret = PTR_ERR(audmux_clk);
+ printk(KERN_ERR "%s: cannot get clock: %d\n", __func__,
+ ret);
+ return ret;
+ }
+ audmux_base = MX25_IO_ADDRESS(MX25_AUDMUX_BASE_ADDR);
+ }
+#endif
audmux_debugfs_init();
return 0;
diff --git a/arch/arm/plat-mxc/include/mach/iomux-mx25.h b/arch/arm/plat-mxc/include/mach/iomux-mx25.h
index f39220d..5bea603 100644
--- a/arch/arm/plat-mxc/include/mach/iomux-mx25.h
+++ b/arch/arm/plat-mxc/include/mach/iomux-mx25.h
@@ -386,15 +386,19 @@
#define MX25_PAD_KPP_ROW3__GPIO_3_0 IOMUX_PAD(0x3ac, 0x1b4, 0x15, 0, 0, NO_PAD_CTRL)
#define MX25_PAD_KPP_COL0__KPP_COL0 IOMUX_PAD(0x3b0, 0x1b8, 0x10, 0, 0, PAD_CTL_PKE | PAD_CTL_ODE)
+#define MX25_PAD_KPP_COL0__AUD5_TXD IOMUX_PAD(0x3b0, 0x1b8, 0x12, 0, 0, PAD_CTL_PKE | PAD_CTL_PUS_100K_UP)
#define MX25_PAD_KPP_COL0__GPIO_3_1 IOMUX_PAD(0x3b0, 0x1b8, 0x15, 0, 0, NO_PAD_CTRL)
#define MX25_PAD_KPP_COL1__KPP_COL1 IOMUX_PAD(0x3b4, 0x1bc, 0x10, 0, 0, PAD_CTL_PKE | PAD_CTL_ODE)
+#define MX25_PAD_KPP_COL1__AUD5_RXD IOMUX_PAD(0x3b4, 0x1bc, 0x12, 0, 0, PAD_CTL_PKE | PAD_CTL_PUS_100K_UP)
#define MX25_PAD_KPP_COL1__GPIO_3_2 IOMUX_PAD(0x3b4, 0x1bc, 0x15, 0, 0, NO_PAD_CTRL)
#define MX25_PAD_KPP_COL2__KPP_COL2 IOMUX_PAD(0x3b8, 0x1c0, 0x10, 0, 0, PAD_CTL_PKE | PAD_CTL_ODE)
+#define MX25_PAD_KPP_COL2__AUD5_TXC IOMUX_PAD(0x3b8, 0x1c0, 0x12, 0, 0, PAD_CTL_PKE | PAD_CTL_PUS_100K_UP)
#define MX25_PAD_KPP_COL2__GPIO_3_3 IOMUX_PAD(0x3b8, 0x1c0, 0x15, 0, 0, NO_PAD_CTRL)
#define MX25_PAD_KPP_COL3__KPP_COL3 IOMUX_PAD(0x3bc, 0x1c4, 0x10, 0, 0, PAD_CTL_PKE | PAD_CTL_ODE)
+#define MX25_PAD_KPP_COL3__AUD5_TXFS IOMUX_PAD(0x3bc, 0x1c4, 0x12, 0, 0, PAD_CTL_PKE | PAD_CTL_PUS_100K_UP)
#define MX25_PAD_KPP_COL3__GPIO_3_4 IOMUX_PAD(0x3bc, 0x1c4, 0x15, 0, 0, NO_PAD_CTRL)
#define MX25_PAD_FEC_MDC__FEC_MDC IOMUX_PAD(0x3c0, 0x1c8, 0x10, 0, 0, NO_PAD_CTRL)
diff --git a/arch/arm/plat-mxc/include/mach/mx25.h b/arch/arm/plat-mxc/include/mach/mx25.h
index bc0ba27..2a5cd18 100644
--- a/arch/arm/plat-mxc/include/mach/mx25.h
+++ b/arch/arm/plat-mxc/include/mach/mx25.h
@@ -29,17 +29,22 @@
#define MX25_UART1_BASE_ADDR 0x43f90000
#define MX25_UART2_BASE_ADDR 0x43f94000
+#define MX25_AUDMUX_BASE_ADDR 0x43fb0000
#define MX25_FEC_BASE_ADDR 0x50038000
+#define MX25_SSI2_BASE_ADDR 0x50014000
+#define MX25_SSI1_BASE_ADDR 0x50034000
#define MX25_NFC_BASE_ADDR 0xbb000000
#define MX25_DRYICE_BASE_ADDR 0x53ffc000
#define MX25_LCDC_BASE_ADDR 0x53fbc000
#define MX25_OTG_BASE_ADDR 0x53ff4000
+#define MX25_INT_SSI2 11
+#define MX25_INT_SSI1 12
#define MX25_INT_DRYICE 25
-#define MX25_INT_FEC 57
#define MX25_INT_NANDFC 33
#define MX25_INT_LCDC 39
+#define MX25_INT_FEC 57
#if defined(IMX_NEEDS_DEPRECATED_SYMBOLS)
#define UART1_BASE_ADDR MX25_UART1_BASE_ADDR
--
1.6.3.3
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