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ARM: pxa168: Add support for UART3
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PXA168 has 3 onchip UARTs. Added support for the third one

Signed-off-by: Tanmay Upadhyay <tanmay.upadhyay@einfochips.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
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Tanmay Upadhyay authored and Eric Miao committed Jul 12, 2011
1 parent 41646b2 commit 26407f8
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Showing 2 changed files with 5 additions and 0 deletions.
2 changes: 2 additions & 0 deletions arch/arm/mach-mmp/include/mach/pxa168.h
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Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,7 @@ extern void pxa168_clear_keypad_wakeup(void);

extern struct pxa_device_desc pxa168_device_uart1;
extern struct pxa_device_desc pxa168_device_uart2;
extern struct pxa_device_desc pxa168_device_uart3;
extern struct pxa_device_desc pxa168_device_twsi0;
extern struct pxa_device_desc pxa168_device_twsi1;
extern struct pxa_device_desc pxa168_device_pwm1;
Expand All @@ -39,6 +40,7 @@ static inline int pxa168_add_uart(int id)
switch (id) {
case 1: d = &pxa168_device_uart1; break;
case 2: d = &pxa168_device_uart2; break;
case 3: d = &pxa168_device_uart3; break;
}

if (d == NULL)
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3 changes: 3 additions & 0 deletions arch/arm/mach-mmp/pxa168.c
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Original file line number Diff line number Diff line change
Expand Up @@ -66,6 +66,7 @@ void __init pxa168_init_irq(void)
/* APB peripheral clocks */
static APBC_CLK(uart1, PXA168_UART1, 1, 14745600);
static APBC_CLK(uart2, PXA168_UART2, 1, 14745600);
static APBC_CLK(uart3, PXA168_UART3, 1, 14745600);
static APBC_CLK(twsi0, PXA168_TWSI0, 1, 33000000);
static APBC_CLK(twsi1, PXA168_TWSI1, 1, 33000000);
static APBC_CLK(pwm1, PXA168_PWM1, 1, 13000000);
Expand All @@ -86,6 +87,7 @@ static APMU_CLK(lcd, LCD, 0x7f, 312000000);
static struct clk_lookup pxa168_clkregs[] = {
INIT_CLKREG(&clk_uart1, "pxa2xx-uart.0", NULL),
INIT_CLKREG(&clk_uart2, "pxa2xx-uart.1", NULL),
INIT_CLKREG(&clk_uart3, "pxa2xx-uart.2", NULL),
INIT_CLKREG(&clk_twsi0, "pxa2xx-i2c.0", NULL),
INIT_CLKREG(&clk_twsi1, "pxa2xx-i2c.1", NULL),
INIT_CLKREG(&clk_pwm1, "pxa168-pwm.0", NULL),
Expand Down Expand Up @@ -149,6 +151,7 @@ void pxa168_clear_keypad_wakeup(void)
/* on-chip devices */
PXA168_DEVICE(uart1, "pxa2xx-uart", 0, UART1, 0xd4017000, 0x30, 21, 22);
PXA168_DEVICE(uart2, "pxa2xx-uart", 1, UART2, 0xd4018000, 0x30, 23, 24);
PXA168_DEVICE(uart3, "pxa2xx-uart", 2, UART3, 0xd4026000, 0x30, 23, 24);
PXA168_DEVICE(twsi0, "pxa2xx-i2c", 0, TWSI0, 0xd4011000, 0x28);
PXA168_DEVICE(twsi1, "pxa2xx-i2c", 1, TWSI1, 0xd4025000, 0x28);
PXA168_DEVICE(pwm1, "pxa168-pwm", 0, NONE, 0xd401a000, 0x10);
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