From mboxrd@z Thu Jan 1 00:00:00 1970 From: richard.genoud@gmail.com (Richard Genoud) Date: Tue, 14 Aug 2012 16:16:19 +0200 Subject: [PATCH 00/23] work in progress: SPI controller w/DMA SAM9X5 In-Reply-To: <1344952177-18385-1-git-send-email-richard.genoud@gmail.com> References: <1344952177-18385-1-git-send-email-richard.genoud@gmail.com> Message-ID: To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 2012/8/14 Richard Genoud : > Nicolas, > I said that I had some work done on sam9g35-ek, here is the spi part, based > on your and Jean-Christophe work. > You have to enable CONFIG_ARCH_AT91SAM9X5 to get it work. I forgot something: As I didn't get pinctrl to work, on top of this patchset, I did a revert of "ARM: at91: add pinctrl support" and I made this change : diff --git a/arch/arm/mach-at91/at91sam9x5.c b/arch/arm/mach-at91/at91sam9x5.c index e213e2d..bc3fdbf 100644 --- a/arch/arm/mach-at91/at91sam9x5.c +++ b/arch/arm/mach-at91/at91sam9x5.c @@ -313,6 +313,13 @@ static void __init at91sam9x5_map_io(void) at91_init_sram(0, AT91SAM9X5_SRAM_BASE, AT91SAM9X5_SRAM_SIZE); } + +void __init at91sam9x5_initialize(void) +{ + /* Register GPIO subsystem (using DT) */ + at91_gpio_init(NULL, 0); +} + /* -------------------------------------------------------------------- * Interrupt initialization * -------------------------------------------------------------------- */ @@ -320,4 +327,5 @@ static void __init at91sam9x5_map_io(void) struct at91_init_soc __initdata at91sam9x5_soc = { .map_io = at91sam9x5_map_io, .register_clocks = at91sam9x5_register_clocks, + .init = at91sam9x5_initialize, }; I also enabled the spi controller in the DTS: diff --git a/arch/arm/boot/dts/at91sam9x5.dtsi b/arch/arm/boot/dts/at91sam9x5.dtsi index ef09816..cc1c830 100644 --- a/arch/arm/boot/dts/at91sam9x5.dtsi +++ b/arch/arm/boot/dts/at91sam9x5.dtsi @@ -363,7 +363,7 @@ atc_fifocfg_halffifo; atc_src_h2sel_hw; atc_dst_h2sel_hw; - status = "disabled"; + status = "okay"; }; spi1: spi at f0004000 { -- for me, ck means con kolivas and not calvin klein... does it mean I'm a geek ?