ARM: da850: add the nand dev_id to the clock lookup table
authorBartosz Golaszewski <bgolaszewski@baylibre.com>
Fri, 13 Jan 2017 10:00:26 +0000 (11:00 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 19 Jan 2017 11:42:25 +0000 (12:42 +0100)
The aemif driver can now access struct of_dev_auxdata (using platform
data).

Add the device id to the clock lookup table for the nand clock and
create a separate lookup table for aemif subnodes.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
arch/arm/mach-davinci/da850.c
arch/arm/mach-davinci/da8xx-dt.c

index 1d873d1..9780829 100644 (file)
@@ -557,15 +557,7 @@ static struct clk_lookup da850_clks[] = {
        CLK("da830-mmc.0",      NULL,           &mmcsd0_clk),
        CLK("da830-mmc.1",      NULL,           &mmcsd1_clk),
        CLK("ti-aemif",         NULL,           &aemif_clk),
-       /*
-        * The only user of this clock is davinci_nand and it get's it through
-        * con_id. The nand node itself is created from within the aemif
-        * driver to guarantee that it's probed after the aemif timing
-        * parameters are configured. of_dev_auxdata is not accessible from
-        * the aemif driver and can't be passed to of_platform_populate(). For
-        * that reason we're leaving the dev_id here as NULL.
-        */
-       CLK(NULL,               "aemif",        &aemif_nand_clk),
+       CLK("davinci-nand.0",   "aemif",        &aemif_nand_clk),
        CLK("ohci-da8xx",       "usb11",        &usb11_clk),
        CLK("musb-da8xx",       "usb20",        &usb20_clk),
        CLK("spi_davinci.0",    NULL,           &spi0_clk),
index 9ee44da..06205fe 100644 (file)
@@ -11,6 +11,7 @@
 #include <linux/of_irq.h>
 #include <linux/of_platform.h>
 #include <linux/irqdomain.h>
+#include <linux/platform_data/ti-aemif.h>
 
 #include <asm/mach/arch.h>
 
 #include "cp_intc.h"
 #include <mach/da8xx.h>
 
+static struct of_dev_auxdata da850_aemif_auxdata_lookup[] = {
+       OF_DEV_AUXDATA("ti,davinci-nand", 0x62000000, "davinci-nand.0", NULL),
+       {}
+};
+
+static struct aemif_platform_data aemif_data = {
+       .dev_lookup = da850_aemif_auxdata_lookup,
+};
+
 static struct of_dev_auxdata da850_auxdata_lookup[] __initdata = {
        OF_DEV_AUXDATA("ti,davinci-i2c", 0x01c22000, "i2c_davinci.1", NULL),
        OF_DEV_AUXDATA("ti,davinci-i2c", 0x01e28000, "i2c_davinci.2", NULL),
@@ -37,7 +47,7 @@ static struct of_dev_auxdata da850_auxdata_lookup[] __initdata = {
        OF_DEV_AUXDATA("ti,davinci-dm6467-emac", 0x01e20000, "davinci_emac.1",
                       NULL),
        OF_DEV_AUXDATA("ti,da830-mcasp-audio", 0x01d00000, "davinci-mcasp.0", NULL),
-       OF_DEV_AUXDATA("ti,da850-aemif", 0x68000000, "ti-aemif", NULL),
+       OF_DEV_AUXDATA("ti,da850-aemif", 0x68000000, "ti-aemif", &aemif_data),
        OF_DEV_AUXDATA("ti,da850-tilcdc", 0x01e13000, "da8xx_lcdc.0", NULL),
        OF_DEV_AUXDATA("ti,da830-ohci", 0x01e25000, "ohci-da8xx", NULL),
        OF_DEV_AUXDATA("ti,da830-musb", 0x01e00000, "musb-da8xx", NULL),