ARM: ux500: Enable PL022 SSP Controller in Device Tree

This SSP Controller supports a number of serial communication methods
and as such cannot be registered using of_register_spi_devices.
Instead we register it simply as a primecell device.

Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

diff --git a/arch/arm/boot/dts/db8500.dtsi b/arch/arm/boot/dts/db8500.dtsi
index ce3b56f..a81cce0 100644 (file)
--- a/arch/arm/boot/dts/db8500.dtsi
+++ b/arch/arm/boot/dts/db8500.dtsi
@@ -204,7 +204,10 @@
                        #address-cells = <1>;
                        #size-cells = <0>;
                        status = "disabled";
+
+                       // Add one of these for each child device
                        cs-gpios = <&gpio0 31 &gpio4 14 &gpio4 16 &gpio6 22 &gpio7 0>;
+
                };
 
                uart@80120000 {

diff --git a/arch/arm/mach-ux500/board-mop500.c b/arch/arm/mach-ux500/board-mop500.c
index ea0242a..d0799d5 100644 (file)
--- a/arch/arm/mach-ux500/board-mop500.c
+++ b/arch/arm/mach-ux500/board-mop500.c
@@ -443,7 +443,7 @@ static struct stedma40_chan_cfg ssp0_dma_cfg_tx = {
 };
 #endif
 
-static struct pl022_ssp_controller ssp0_platform_data = {
+static struct pl022_ssp_controller ssp0_plat = {
        .bus_id = 0,
 #ifdef CONFIG_STE_DMA40
        .enable_dma = 1,
@@ -461,7 +461,7 @@ static struct pl022_ssp_controller ssp0_platform_data = {
 
 static void __init mop500_spi_init(struct device *parent)
 {
-       db8500_add_ssp0(parent, &ssp0_platform_data);
+       db8500_add_ssp0(parent, &ssp0_plat);
 }
 
 #ifdef CONFIG_STE_DMA40
@@ -749,6 +749,7 @@ struct of_dev_auxdata u8500_auxdata_lookup[] __initdata = {
        OF_DEV_AUXDATA("arm,pl011", 0x80120000, "uart0", &uart0_plat),
        OF_DEV_AUXDATA("arm,pl011", 0x80121000, "uart1", &uart1_plat),
        OF_DEV_AUXDATA("arm,pl011", 0x80007000, "uart2", &uart2_plat),
+       OF_DEV_AUXDATA("arm,pl022", 0x80002000, "ssp0",  &ssp0_plat),
        {},
 };
 
@@ -804,7 +805,6 @@ static void __init u8500_init_machine(void)
                hrefv60_sdi_init(parent);
        }
        mop500_i2c_init(parent);
-       mop500_spi_init(parent);
 
        i2c_register_board_info(0, mop500_i2c0_devices, i2c0_devs);
        i2c_register_board_info(2, mop500_i2c2_devices,