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ARM: mx53: Add support for missing UARTs 

MX53 has five UART ports.

Add support for the missing UART4 and UART5 ports.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Fabio Estevam 2011-06-27 17:12:08 -03:00 committed by Sascha Hauer
parent 2e534b21a5
commit fce43f9963
4 changed files with 16 additions and 2 deletions
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10
arch/arm/mach-mx5/clock-mx51-mx53.c
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@ -1254,12 +1254,20 @@ DEFINE_CLOCK(uart2_ipg_clk, 1, MXC_CCM_CCGR1, MXC_CCM_CCGRx_CG5_OFFSET,
NULL, NULL, &ipg_clk, &aips_tz1_clk);
DEFINE_CLOCK(uart3_ipg_clk, 2, MXC_CCM_CCGR1, MXC_CCM_CCGRx_CG7_OFFSET,
NULL, NULL, &ipg_clk, &spba_clk);
DEFINE_CLOCK(uart4_ipg_clk, 3, MXC_CCM_CCGR7, MXC_CCM_CCGRx_CG4_OFFSET,
NULL, NULL, &ipg_clk, &spba_clk);
DEFINE_CLOCK(uart5_ipg_clk, 4, MXC_CCM_CCGR7, MXC_CCM_CCGRx_CG6_OFFSET,
NULL, NULL, &ipg_clk, &spba_clk);
DEFINE_CLOCK(uart1_clk, 0, MXC_CCM_CCGR1, MXC_CCM_CCGRx_CG4_OFFSET,
NULL, NULL, &uart_root_clk, &uart1_ipg_clk);
DEFINE_CLOCK(uart2_clk, 1, MXC_CCM_CCGR1, MXC_CCM_CCGRx_CG6_OFFSET,
NULL, NULL, &uart_root_clk, &uart2_ipg_clk);
DEFINE_CLOCK(uart3_clk, 2, MXC_CCM_CCGR1, MXC_CCM_CCGRx_CG8_OFFSET,
NULL, NULL, &uart_root_clk, &uart3_ipg_clk);
DEFINE_CLOCK(uart4_clk, 3, MXC_CCM_CCGR7, MXC_CCM_CCGRx_CG5_OFFSET,
NULL, NULL, &uart_root_clk, &uart4_ipg_clk);
DEFINE_CLOCK(uart5_clk, 4, MXC_CCM_CCGR7, MXC_CCM_CCGRx_CG7_OFFSET,
NULL, NULL, &uart_root_clk, &uart5_ipg_clk);
/* GPT */
DEFINE_CLOCK(gpt_ipg_clk, 0, MXC_CCM_CCGR2, MXC_CCM_CCGRx_CG10_OFFSET,
@ -1464,6 +1472,8 @@ static struct clk_lookup mx53_lookups[] = {
_REGISTER_CLOCK("imx-uart.0", NULL, uart1_clk)
_REGISTER_CLOCK("imx-uart.1", NULL, uart2_clk)
_REGISTER_CLOCK("imx-uart.2", NULL, uart3_clk)
_REGISTER_CLOCK("imx-uart.3", NULL, uart4_clk)
_REGISTER_CLOCK("imx-uart.4", NULL, uart5_clk)
_REGISTER_CLOCK(NULL, "gpt", gpt_clk)
_REGISTER_CLOCK("fec.0", NULL, fec_clk)
_REGISTER_CLOCK(NULL, "iim_clk", iim_clk)

2
arch/arm/mach-mx5/crm_regs.h
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@ -114,6 +114,8 @@
#define MXC_CCM_CCGR4 (MX51_CCM_BASE + 0x78)
#define MXC_CCM_CCGR5 (MX51_CCM_BASE + 0x7C)
#define MXC_CCM_CCGR6 (MX51_CCM_BASE + 0x80)
#define MXC_CCM_CCGR7 (MX51_CCM_BASE + 0x84)
#define MXC_CCM_CMEOR (MX51_CCM_BASE + 0x84)
/* Define the bits in register CCR */

2
arch/arm/plat-mxc/devices/platform-imx-uart.c
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@ -123,6 +123,8 @@ const struct imx_imx_uart_1irq_data imx53_imx_uart_data[] __initconst = {
imx53_imx_uart_data_entry(0, 1),
imx53_imx_uart_data_entry(1, 2),
imx53_imx_uart_data_entry(2, 3),
imx53_imx_uart_data_entry(3, 4),
imx53_imx_uart_data_entry(4, 5),
};
#endif /* ifdef CONFIG_SOC_IMX53 */

4
arch/arm/plat-mxc/include/mach/mx53.h
View File

@ -241,7 +241,7 @@
#define MX53_INT_IPU_ERR 10
#define MX53_INT_IPU_SYN 11
#define MX53_INT_GPU 12
#define MX53_INT_RESV13 13
#define MX53_INT_UART4 13
#define MX53_INT_USB_H1 14
#define MX53_INT_EMI 15
#define MX53_INT_USB_H2 16
@ -314,7 +314,7 @@
#define MX53_INT_CAN2 83
#define MX53_INT_GPU2_IRQ 84
#define MX53_INT_GPU2_BUSY 85
#define MX53_INT_RESV86 86
#define MX53_INT_UART5 86
#define MX53_INT_FEC 87
#define MX53_INT_OWIRE 88
#define MX53_INT_CTI1_TG2 89