Hello.
On 09-10-2010 5:12, [email protected] wrote:
From: Victor Rodriguez<[email protected]>
This patch adds USB-OHCI support for the Hawkboard-L138 system
It is under the machine name "omapl138_hawkboard".
This system is based on the da850 davinci CPU architecture.
Signed-off-by: Victor Rodriguez<[email protected]>
[...]
diff --git a/arch/arm/mach-davinci/board-omapl138-hawk.c
b/arch/arm/mach-davinci/board-omapl138-hawk.c
index ae7f75c..1864d51 100644
--- a/arch/arm/mach-davinci/board-omapl138-hawk.c
+++ b/arch/arm/mach-davinci/board-omapl138-hawk.c
[...]
@@ -170,6 +173,94 @@ static struct davinci_mmc_config da850_mmc_config = {
[...]
+static int hawk_usb_ocic_notify(da8xx_ocic_handler_t handler)
+{
+ int irq = gpio_to_irq(DA850_USB1_OC_PIN);
+ int error = 0;
+
+ if (handler != NULL) {
+ hawk_usb_ocic_handler = handler;
+
+ error = request_irq(irq, omapl138_hawk_usb_ocic_irq,
+ IRQF_DISABLED | IRQF_TRIGGER_RISING |
+ IRQF_TRIGGER_FALLING,
+ "OHCI over-current indicator", NULL);
Please aling all follow-up lines, preferrably under 'irq'.
+ if (error)
+ printk(KERN_ERR "%s: could not request IRQ to watch "
+ "over-current indicator changes\n", __func__);
+ } else
+ free_irq(irq, NULL);
+
+ return error;
+}
+
+static struct da8xx_ohci_root_hub omapl138_hawk_usb11_pdata = {
+ .set_power = hawk_usb_set_power,
+ .get_power = hawk_usb_get_power,
+ .get_oci = hawk_usb_get_oci,
+ .ocic_notify = hawk_usb_ocic_notify,
+ /* TPS2065 switch @ 5V */
+ .potpgt = (3 + 1) / 2, /* 3 ms max */
Are you really using the same power switch chip as DA830 EVM?
diff --git a/arch/arm/mach-davinci/da850.c b/arch/arm/mach-davinci/da850.c
index f033a0a..1675f41 100644
--- a/arch/arm/mach-davinci/da850.c
+++ b/arch/arm/mach-davinci/da850.c
@@ -345,6 +345,21 @@ static struct clk aemif_clk = {
.flags = ALWAYS_ENABLED,
};
+static struct clk usb11_clk = {
+ .name = "usb11",
+ .parent = &pll0_sysclk4,
+ .lpsc = DA8XX_LPSC1_USB11,
+ .gpsc = 1,
+ .flags = ALWAYS_ENABLED,
+ };
+
+static struct clk usb20_clk = {
+ .name = "usb20",
+ .parent = &pll0_sysclk2,
+ .lpsc = DA8XX_LPSC1_USB20,
+ .gpsc = 1,
+ };
+
static struct clk_lookup da850_clks[] = {
CLK(NULL, "ref", &ref_clk),
CLK(NULL, "pll0", &pll0_clk),
@@ -387,6 +402,8 @@ static struct clk_lookup da850_clks[] = {
CLK("davinci_mmc.0", NULL, &mmcsd0_clk),
CLK("davinci_mmc.1", NULL, &mmcsd1_clk),
CLK(NULL, "aemif", &aemif_clk),
+ CLK(NULL, "usb11", &usb11_clk),
+ CLK(NULL, "usb20", &usb20_clk),
CLK(NULL, NULL, NULL),
};
@@ -548,6 +565,8 @@ static const struct mux_config da850_pins[] = {
MUX_CFG(DA850, GPIO2_15, 5, 0, 15, 8, false)
MUX_CFG(DA850, GPIO4_0, 10, 28, 15, 8, false)
MUX_CFG(DA850, GPIO4_1, 10, 24, 15, 8, false)
+ MUX_CFG(DA850, GPIO2_4, 6, 12, 15, 8, false)
+ MUX_CFG(DA850, GPIO6_13, 13, 8, 15, 8, false)
MUX_CFG(DA850, RTC_ALARM, 0, 28, 15, 2, false)
#endif
};
diff --git a/arch/arm/mach-davinci/include/mach/mux.h
b/arch/arm/mach-davinci/include/mach/mux.h
index de11aac..e2985e6 100644
--- a/arch/arm/mach-davinci/include/mach/mux.h
+++ b/arch/arm/mach-davinci/include/mach/mux.h
@@ -913,6 +913,8 @@ enum davinci_da850_index {
DA850_GPIO2_15,
DA850_GPIO4_0,
DA850_GPIO4_1,
+ DA850_GPIO2_4,
+ DA850_GPIO6_13,
DA850_RTC_ALARM,
};
The above should be a separate patch (or even 2 patches).
WBR, Sergei
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