From mboxrd@z Thu Jan 1 00:00:00 1970 From: s.hauer@pengutronix.de (Sascha Hauer) Date: Tue, 28 Jun 2011 08:26:04 +0200 Subject: [PATCH 1/4] ARM: mx53: Add support for missing UARTs In-Reply-To: <1309205531-18103-1-git-send-email-fabio.estevam@freescale.com> References: <1309205531-18103-1-git-send-email-fabio.estevam@freescale.com> Message-ID: <20110628062604.GD6069@pengutronix.de> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org All applied for next. Sascha On Mon, Jun 27, 2011 at 05:12:08PM -0300, Fabio Estevam wrote: > MX53 has five UART ports. > > Add support for the missing UART4 and UART5 ports. > > Signed-off-by: Fabio Estevam > --- > arch/arm/mach-mx5/clock-mx51-mx53.c | 10 ++++++++++ > arch/arm/mach-mx5/crm_regs.h | 2 ++ > arch/arm/plat-mxc/devices/platform-imx-uart.c | 2 ++ > arch/arm/plat-mxc/include/mach/mx53.h | 4 ++-- > 4 files changed, 16 insertions(+), 2 deletions(-) > > diff --git a/arch/arm/mach-mx5/clock-mx51-mx53.c b/arch/arm/mach-mx5/clock-mx51-mx53.c > index 4fb63d9..789c6cf 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 87c0c58..5e11ba7 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 */ > diff --git a/arch/arm/plat-mxc/devices/platform-imx-uart.c b/arch/arm/plat-mxc/devices/platform-imx-uart.c > index 3c854c2..cfce8c9 100644 > --- a/arch/arm/plat-mxc/devices/platform-imx-uart.c > +++ b/arch/arm/plat-mxc/devices/platform-imx-uart.c > @@ -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 */ > > diff --git a/arch/arm/plat-mxc/include/mach/mx53.h b/arch/arm/plat-mxc/include/mach/mx53.h > index e14a4f0..7b54eb6 100644 > --- a/arch/arm/plat-mxc/include/mach/mx53.h > +++ b/arch/arm/plat-mxc/include/mach/mx53.h > @@ -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 > -- > 1.6.0.4 > > > -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |