Hello.
On 09-10-2010 5:12, [email protected] wrote:
From: Victor Rodriguez<[email protected]>
This patch adds MMC/SD support for the Hawkboard-L138 system
It is under the machine name "omapl138_hawkboard".
This system is based on the da850 davinci CPU architecture.
Signed-off-by: Victor Rodriguez<[email protected]>
[...]
diff --git a/arch/arm/mach-davinci/board-omapl138-hawk.c
b/arch/arm/mach-davinci/board-omapl138-hawk.c
index ba3718a..ae7f75c 100644
--- a/arch/arm/mach-davinci/board-omapl138-hawk.c
+++ b/arch/arm/mach-davinci/board-omapl138-hawk.c
[...]
@@ -180,6 +201,28 @@ static __init void omapl138_hawk_init(void)
"mcasp mux setup failed: %d\n", ret);
da8xx_register_mcasp(0,&omapl138_hawk_snd_data);
+ ret = davinci_cfg_reg_list(da850_mmcsd0_pins);
No, you can't use the generic pin list. You should add to it the two GPIOs
used as WP/CD inputs, and define the new list in the board file.
+ if (ret)
+ pr_warning("omapl138_hawk_init: "
+ "mmcsd0 mux setup failed: %d\n", ret);
pr_warning("%s: MMC/SD0 mux setup failed: %d\n",
__func__, ret);
+ ret = gpio_request(DA850_HAWK_MMCSD_CD_PIN, "MMC CD\n");
+ if (ret)
+ pr_warning("da850_hawk_init: can not open GPIO %d\n",
+ DA850_HAWK_MMCSD_CD_PIN);
pr_warning("%s: can not open GPIO %d\n",
__func__, DA850_HAWK_MMCSD_CD_PIN);
+ gpio_direction_input(DA850_HAWK_MMCSD_CD_PIN);
+
+ ret = gpio_request(DA850_HAWK_MMCSD_WP_PIN, "MMC WP\n");
+ if (ret)
+ pr_warning("da850_hawk_init: can not open GPIO %d\n",
+ DA850_HAWK_MMCSD_WP_PIN);
pr_warning("%s: can not open GPIO %d\n",
__func__, DA850_HAWK_MMCSD_WP_PIN);
+ gpio_direction_input(DA850_HAWK_MMCSD_WP_PIN);
+
+ ret = da8xx_register_mmcsd0(&da850_mmc_config);
+ if (ret)
+ pr_warning("omapl138_hawk_init: "
+ "mmcsd0 registration failed: %d\n", ret);
pr_warning("%s: MMC/SD0 registration failed: %d\n",
__func__, ret);
WBR, Sergei
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