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authorFabio Estevam <fabio.estevam@freescale.com>2011-06-28 00:12:08 +0400
committerSascha Hauer <s.hauer@pengutronix.de>2011-07-07 12:01:12 +0400
commitfce43f99631b03a65b9309d956bfca93a8fe052f (patch)
tree7679fc80ed2983c0789d2838b6f04d3d5a6b776d /arch/arm/mach-mx5
parent2e534b21a51bad9d1fad125adac6ad49e64e1d7a (diff)
downloadlinux-fce43f99631b03a65b9309d956bfca93a8fe052f.tar.xz
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>
Diffstat (limited to 'arch/arm/mach-mx5')
-rw-r--r--arch/arm/mach-mx5/clock-mx51-mx53.c10
-rw-r--r--arch/arm/mach-mx5/crm_regs.h2
2 files changed, 12 insertions, 0 deletions
diff --git a/arch/arm/mach-mx5/clock-mx51-mx53.c b/arch/arm/mach-mx5/clock-mx51-mx53.c
index 7173b27265dd..e60e7bc60659 100644
--- a/arch/arm/mach-mx5/clock-mx51-mx53.c
+++ b/arch/arm/mach-mx5/clock-mx51-mx53.c
@@ -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)
diff --git a/arch/arm/mach-mx5/crm_regs.h b/arch/arm/mach-mx5/crm_regs.h
index 87c0c58f27a7..5e11ba7daee2 100644
--- a/arch/arm/mach-mx5/crm_regs.h
+++ b/arch/arm/mach-mx5/crm_regs.h
@@ -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 */