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Commit d2998c2c authored by Anton Vorontsov's avatar Anton Vorontsov Committed by Linus Torvalds
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powerpc/86xx: add MMC SPI support for MPC8610HPCD boards 



This patch adds spi and mmc-spi-slot nodes, plus a gpio-controller for
PIXIS' sdcsr bank that is used for managing SPI chip-select and for
reading card's states.

Signed-off-by: default avatarAnton Vorontsov <avorontsov@ru.mvista.com>
Cc: Kumar Gala <galak@gate.crashing.org>
Cc: David Brownell <david-b@pacbell.net>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 5afbf098

arch/powerpc/boot/dts/mpc8610_hpcd.dts

+32 −0
Original line number Diff line number Diff line
@@ -100,8 +100,18 @@ 
		};



		board-control@3,0 {

			#address-cells = <1>;

			#size-cells = <1>;

			compatible = "fsl,fpga-pixis";

			reg = <3 0 0x20>;

			ranges = <0 3 0 0x20>;



			sdcsr_pio: gpio-controller@a {

				#gpio-cells = <2>;

				compatible = "fsl,fpga-pixis-gpio-bank";

				reg = <0xa 1>;

				gpio-controller;

			};

		};

	};
@@ -176,6 +186,28 @@ 
			interrupt-parent = <&mpic>;

		};



		spi@7000 {

			#address-cells = <1>;

			#size-cells = <0>;

			compatible = "fsl,mpc8610-spi", "fsl,spi";

			reg = <0x7000 0x40>;

			cell-index = <0>;

			interrupts = <59 2>;

			interrupt-parent = <&mpic>;

			mode = "cpu";

			gpios = <&sdcsr_pio 7 0>;



			mmc-slot@0 {

				compatible = "fsl,mpc8610hpcd-mmc-slot",

					     "mmc-spi-slot";

				reg = <0>;

				gpios = <&sdcsr_pio 0 1   /* nCD */

					 &sdcsr_pio 1 0>; /*  WP */

				voltage-ranges = <3300 3300>;

				spi-max-frequency = <50000000>;

			};

		};



		display@2c000 {

			compatible = "fsl,diu";

			reg = <0x2c000 100>;

arch/powerpc/platforms/86xx/mpc8610_hpcd.c

+4 −0
Original line number Diff line number Diff line
@@ -37,6 +37,7 @@ 
#include <linux/of_platform.h>

#include <sysdev/fsl_pci.h>

#include <sysdev/fsl_soc.h>

#include <sysdev/simple_gpio.h>



#include "mpc86xx.h"
@@ -51,6 +52,9 @@ static struct of_device_id __initdata mpc8610_ids[] = { 


static int __init mpc8610_declare_of_platform_devices(void)

{

	/* Firstly, register PIXIS GPIOs. */

	simple_gpiochip_init("fsl,fpga-pixis-gpio-bank");



	/* Without this call, the SSI device driver won't get probed. */

	of_platform_bus_probe(NULL, mpc8610_ids, NULL);