| Message ID | 1365632389-2249-5-git-send-email-g.liakhovetski@gmx.de (mailing list archive) |
|---|---|
| State | Superseded |
| Headers | show |
On Thu, Apr 11, 2013 at 12:19:47AM +0200, Guennadi Liakhovetski wrote: > Add a Device Tree node for the DMA0 controller on sh73a0 and > auxdata to supply platform data to the driver. To enable the > DMA0 controller it also has to be taken out of reset. > > Signed-off-by: Guennadi Liakhovetski <g.liakhovetski+renesas@gmail.com> Hi Guennadi, this seems reasonable to me. I guess the best thing is for you to repost it once the pre-requisites are in place. -- To unsubscribe from this list: send the line "unsubscribe linux-sh" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
On Thu, Apr 11, 2013 at 12:01:27PM +0900, Simon Horman wrote: > On Thu, Apr 11, 2013 at 12:19:47AM +0200, Guennadi Liakhovetski wrote: > > Add a Device Tree node for the DMA0 controller on sh73a0 and > > auxdata to supply platform data to the driver. To enable the > > DMA0 controller it also has to be taken out of reset. > > > > Signed-off-by: Guennadi Liakhovetski <g.liakhovetski+renesas@gmail.com> > > > Hi Guennadi, this seems reasonable to me. > > I guess the best thing is for you to repost it once the pre-requisites > are in place. Also, Magnus, could you review this? -- To unsubscribe from this list: send the line "unsubscribe linux-sh" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/arch/arm/boot/dts/sh73a0.dtsi b/arch/arm/boot/dts/sh73a0.dtsi index ec40bf7..edcf4f7 100644 --- a/arch/arm/boot/dts/sh73a0.dtsi +++ b/arch/arm/boot/dts/sh73a0.dtsi @@ -119,6 +119,42 @@ 0 32 0x4>; }; + dma0: shdma@fe000020 { + compatible = "renesas,shdma"; + reg = <0xfe000020 0x89e0>; + interrupt-parent = <&gic>; + interrupts = <0 129 4 + 0 109 4 + 0 110 4 + 0 111 4 + 0 112 4 + 0 113 4 + 0 114 4 + 0 115 4 + 0 116 4 + 0 117 4 + 0 118 4 + 0 119 4 + 0 120 4 + 0 121 4 + 0 122 4 + 0 123 4 + 0 124 4 + 0 125 4 + 0 126 4 + 0 127 4 + 0 128 4>; + interrupt-names = "error", + "ch0", "ch1", "ch2", "ch3", + "ch4", "ch5", "ch6", "ch7", + "ch8", "ch9", "ch10", "ch11", + "ch12", "ch13", "ch14", "ch15", + "ch16", "ch17", "ch18", "ch19"; + #dma-cells = <1>; + dma-channels = <20>; + dma-requests = <256>; + }; + i2c0: i2c@0xe6820000 { #address-cells = <1>; #size-cells = <0>; diff --git a/arch/arm/mach-shmobile/setup-sh73a0.c b/arch/arm/mach-shmobile/setup-sh73a0.c index b8aa795..980dcf3 100644 --- a/arch/arm/mach-shmobile/setup-sh73a0.c +++ b/arch/arm/mach-shmobile/setup-sh73a0.c @@ -998,6 +998,7 @@ void __init sh73a0_init_delay(void) } static const struct of_dev_auxdata sh73a0_auxdata_lookup[] __initconst = { + OF_DEV_AUXDATA("renesas,shdma", 0xfe000020, "sh-dma-engine.0", &sh73a0_dmae_platform_data), {}, }; @@ -1005,6 +1006,9 @@ void __init sh73a0_add_standard_devices_dt(void) { struct platform_device_info devinfo = { .name = "cpufreq-cpu0", .id = -1, }; + /* Clear software reset bit on SY-DMAC module */ + __raw_writel(__raw_readl(SRCR2) & ~(1 << 18), SRCR2); + platform_add_devices(sh73a0_devices_dt, ARRAY_SIZE(sh73a0_devices_dt)); of_platform_populate(NULL, of_default_bus_match_table,
Add a Device Tree node for the DMA0 controller on sh73a0 and auxdata to supply platform data to the driver. To enable the DMA0 controller it also has to be taken out of reset. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski+renesas@gmail.com> --- arch/arm/boot/dts/sh73a0.dtsi | 36 +++++++++++++++++++++++++++++++++ arch/arm/mach-shmobile/setup-sh73a0.c | 4 +++ 2 files changed, 40 insertions(+), 0 deletions(-)