* Cory Maccarrone <darkstar6...@gmail.com> [100602 01:27]:
> This change adds in the necessary clocks and mux pins for UART
> control on omap7xx devices. I also made a change in the serial
> code to only try and initialize two UARTs in omap_serial_init, as
> these devices don't have three.
Was about to queue this one and then noticed you might want to update
this according to Paul's recent patch "OMAP1: clock: some cleanup" for
the enable_bit?
Regards,
Tony
> Signed-off-by: Cory Maccarrone <darkstar6...@gmail.com>
> ---
> arch/arm/mach-omap1/clock_data.c | 20 ++++++++++++++++++++
> arch/arm/mach-omap1/mux.c | 4 ++++
> arch/arm/mach-omap1/serial.c | 7 +++++++
> arch/arm/plat-omap/include/plat/mux.h | 4 ++++
> 4 files changed, 35 insertions(+), 0 deletions(-)
>
> diff --git a/arch/arm/mach-omap1/clock_data.c
> b/arch/arm/mach-omap1/clock_data.c
> index aa8558a..9240bc1 100644
> --- a/arch/arm/mach-omap1/clock_data.c
> +++ b/arch/arm/mach-omap1/clock_data.c
> @@ -478,6 +478,24 @@ static struct clk usb_dc_ck7xx = {
> .enable_bit = 8,
> };
>
> +static struct clk uart1_7xx = {
> + .name = "uart1_ck",
> + .ops = &clkops_generic,
> + /* Direct from ULPD, no parent */
> + .rate = 12000000,
> + .enable_reg = OMAP1_IO_ADDRESS(SOFT_REQ_REG),
> + .enable_bit = 9,
> +};
> +
> +static struct clk uart2_7xx = {
> + .name = "uart2_ck",
> + .ops = &clkops_generic,
> + /* Direct from ULPD, no parent */
> + .rate = 12000000,
> + .enable_reg = OMAP1_IO_ADDRESS(SOFT_REQ_REG),
> + .enable_bit = 11,
> +};
> +
> static struct clk mclk_1510 = {
> .name = "mclk",
> .ops = &clkops_generic,
> @@ -620,7 +638,9 @@ static struct omap_clk omap_clks[] = {
> /* ULPD clocks */
> CLK(NULL, "uart1_ck", &uart1_1510, CK_1510 | CK_310),
> CLK(NULL, "uart1_ck", &uart1_16xx.clk, CK_16XX),
> + CLK(NULL, "uart1_ck", &uart1_7xx, CK_7XX),
> CLK(NULL, "uart2_ck", &uart2_ck, CK_16XX | CK_1510 |
> CK_310),
> + CLK(NULL, "uart2_ck", &uart2_7xx, CK_7XX),
> CLK(NULL, "uart3_ck", &uart3_1510, CK_1510 | CK_310),
> CLK(NULL, "uart3_ck", &uart3_16xx.clk, CK_16XX),
> CLK(NULL, "usb_clko", &usb_clko, CK_16XX | CK_1510 |
> CK_310),
> diff --git a/arch/arm/mach-omap1/mux.c b/arch/arm/mach-omap1/mux.c
> index 8434137..6a9b42f 100644
> --- a/arch/arm/mach-omap1/mux.c
> +++ b/arch/arm/mach-omap1/mux.c
> @@ -70,6 +70,10 @@ MUX_CFG_7XX("SPI_7XX_3", 6, 13, 4, 12,
> 1, 0)
> MUX_CFG_7XX("SPI_7XX_4", 6, 17, 4, 16, 1, 0)
> MUX_CFG_7XX("SPI_7XX_5", 8, 25, 0, 24, 0, 0)
> MUX_CFG_7XX("SPI_7XX_6", 9, 5, 0, 4, 0, 0)
> +
> +/* UART pins */
> +MUX_CFG_7XX("UART_7XX_1", 3, 21, 0, 20, 0, 0)
> +MUX_CFG_7XX("UART_7XX_2", 8, 1, 6, 0, 0, 0)
> };
> #define OMAP7XX_PINS_SZ ARRAY_SIZE(omap7xx_pins)
> #else
> diff --git a/arch/arm/mach-omap1/serial.c b/arch/arm/mach-omap1/serial.c
> index 349de90..b78d074 100644
> --- a/arch/arm/mach-omap1/serial.c
> +++ b/arch/arm/mach-omap1/serial.c
> @@ -122,6 +122,13 @@ void __init omap_serial_init(void)
>
> for (i = 0; i < ARRAY_SIZE(serial_platform_data) - 1; i++) {
>
> + /* Don't look at UARTs higher than 2 for omap7xx */
> + if (cpu_is_omap7xx() && i > 1) {
> + serial_platform_data[i].membase = NULL;
> + serial_platform_data[i].mapbase = 0;
> + continue;
> + }
> +
> /* Static mapping, never released */
> serial_platform_data[i].membase =
> ioremap(serial_platform_data[i].mapbase, SZ_2K);
> diff --git a/arch/arm/plat-omap/include/plat/mux.h
> b/arch/arm/plat-omap/include/plat/mux.h
> index c7472a2..82c374c 100644
> --- a/arch/arm/plat-omap/include/plat/mux.h
> +++ b/arch/arm/plat-omap/include/plat/mux.h
> @@ -191,6 +191,10 @@ enum omap7xx_index {
> SPI_7XX_4,
> SPI_7XX_5,
> SPI_7XX_6,
> +
> + /* UART */
> + UART_7XX_1,
> + UART_7XX_2,
> };
>
> enum omap1xxx_index {
> --
> 1.6.0.4
>
> --
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