diff options
| author | Gabor Juhos <juhosg@openwrt.org> | 2011-06-20 19:26:12 +0200 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2011-12-07 22:02:46 +0000 |
| commit | 13051c5cc3dd2600afe980049eb566b9b6a4afda (patch) | |
| tree | ad094f4f9ac12d55d78d2d2e5c60312d673c2ac1 /arch/mips/ath79 | |
| parent | d57f341ba08c9f34ccd45a89729e73174d4a3325 (diff) | |
MIPS: ath79: register UART device for the AR933X SoCs
The AR933X SoCs does not have a 8250 compatible UART, they
are using a different UART core. Register a different platform
device for the different UART.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Cc: linux-mips@linux-mips.org
Cc: Kathy Giori <kgiori@qca.qualcomm.com>
Cc: "Luis R. Rodriguez" <rodrigue@qca.qualcomm.com>
Patchwork: https://patchwork.linux-mips.org/patch/2528/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/ath79')
| -rw-r--r-- | arch/mips/ath79/dev-common.c | 38 |
1 files changed, 36 insertions, 2 deletions
diff --git a/arch/mips/ath79/dev-common.c b/arch/mips/ath79/dev-common.c index 3b82e325bebf..f4956f809072 100644 --- a/arch/mips/ath79/dev-common.c +++ b/arch/mips/ath79/dev-common.c @@ -20,6 +20,7 @@ #include <asm/mach-ath79/ath79.h> #include <asm/mach-ath79/ar71xx_regs.h> +#include <asm/mach-ath79/ar933x_uart_platform.h> #include "common.h" #include "dev-common.h" @@ -54,6 +55,30 @@ static struct platform_device ath79_uart_device = { }, }; +static struct resource ar933x_uart_resources[] = { + { + .start = AR933X_UART_BASE, + .end = AR933X_UART_BASE + AR71XX_UART_SIZE - 1, + .flags = IORESOURCE_MEM, + }, + { + .start = ATH79_MISC_IRQ_UART, + .end = ATH79_MISC_IRQ_UART, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct ar933x_uart_platform_data ar933x_uart_data; +static struct platform_device ar933x_uart_device = { + .name = "ar933x-uart", + .id = -1, + .resource = ar933x_uart_resources, + .num_resources = ARRAY_SIZE(ar933x_uart_resources), + .dev = { + .platform_data = &ar933x_uart_data, + }, +}; + void __init ath79_register_uart(void) { struct clk *clk; @@ -62,8 +87,17 @@ void __init ath79_register_uart(void) if (IS_ERR(clk)) panic("unable to get UART clock, err=%ld", PTR_ERR(clk)); - ath79_uart_data[0].uartclk = clk_get_rate(clk); - platform_device_register(&ath79_uart_device); + if (soc_is_ar71xx() || + soc_is_ar724x() || + soc_is_ar913x()) { + ath79_uart_data[0].uartclk = clk_get_rate(clk); + platform_device_register(&ath79_uart_device); + } else if (soc_is_ar933x()) { + ar933x_uart_data.uartclk = clk_get_rate(clk); + platform_device_register(&ar933x_uart_device); + } else { + BUG(); + } } static struct platform_device ath79_wdt_device = { |