| Message ID | 1366102733-3570-1-git-send-email-ks.giri@samsung.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
Girish K S wrote: > > This patch enables the SPI in EXYNOS5440 SoC. The NOR > Flash can be accessed by enabling the spi interface > > Signed-off-by: Girish K S <ks.giri@samsung.com> > --- > arch/arm/boot/dts/exynos5440-ssdk5440.dts | 39 > +++++++++++++++++++++++++++- > arch/arm/boot/dts/exynos5440.dtsi | 16 +++++++---- > 2 files changed, 47 insertions(+), 8 deletions(-) > > diff --git a/arch/arm/boot/dts/exynos5440-ssdk5440.dts > b/arch/arm/boot/dts/exynos5440-ssdk5440.dts > index d55042b..a85ac0e 100644 > --- a/arch/arm/boot/dts/exynos5440-ssdk5440.dts > +++ b/arch/arm/boot/dts/exynos5440-ssdk5440.dts > @@ -20,8 +20,43 @@ > bootargs = "root=/dev/sda2 rw rootwait ignore_loglevel > early_printk no_console_suspend mem=2048M@0x80000000 > console=ttySAC0,115200"; > }; > > - spi { > - status = "disabled"; > + spi_0: spi@D0000 { > + > + flash: w25q128@0 { > + #address-cells = <1>; > + #size-cells = <1>; > + compatible = "winbond,w25q128"; > + spi-max-frequency = <15625000>; > + reg = <0>; > + controller-data { > + samsung,spi-feedback-delay = <0>; > + }; > + > + partition@00000 { > + label = "BootLoader"; > + reg = <0x60000 0x80000>; > + read-only; > + }; > + > + partition@e0000 { > + label = "Recovery-Kernel"; > + reg = <0xe0000 0x300000>; > + read-only; > + }; > + > + partition@3e0000 { > + label = "CRAM-FS"; > + reg = <0x3e0000 0x700000>; > + read-only; > + }; > + > + partition@ae0000 { > + label = "User-Data"; > + reg = <0xae0000 0x520000>; > + }; > + > + }; > + > }; > > fixed-rate-clocks { > diff --git a/arch/arm/boot/dts/exynos5440.dtsi > b/arch/arm/boot/dts/exynos5440.dtsi > index f6b1c89..7c5dc38 100644 > --- a/arch/arm/boot/dts/exynos5440.dtsi > +++ b/arch/arm/boot/dts/exynos5440.dtsi > @@ -16,6 +16,10 @@ > > interrupt-parent = <&gic>; > > + aliases { > + spi0 = &spi_0; > + }; > + > clock: clock-controller@0x160000 { > compatible = "samsung,exynos5440-clock"; > reg = <0x160000 0x1000>; > @@ -101,15 +105,15 @@ > clock-names = "uart", "clk_uart_baud0"; > }; > > - spi { > - compatible = "samsung,exynos4210-spi"; > - reg = <0xD0000 0x1000>; > + spi_0: spi@D0000 { > + compatible = "samsung,exynos5440-spi"; > + reg = <0xD0000 0x100>; > interrupts = <0 4 0>; > - tx-dma-channel = <&pdma0 5>; /* preliminary */ > - rx-dma-channel = <&pdma0 4>; /* preliminary */ > #address-cells = <1>; > #size-cells = <0>; > - clocks = <&clock 21>, <&clock 16>; > + samsung,spi-src-clk = <0>; > + num-cs = <1>; > + clocks = <&clock 8>, <&clock 3>; Should be, + clocks = <&clock 21>, <&clock 16>; > clock-names = "spi", "spi_busclk0"; > }; > > -- Others, look good to me, and please create separated patches for SoC and board. Anway, will apply with fix the clock. Thanks, - Kukjin
diff --git a/arch/arm/boot/dts/exynos5440-ssdk5440.dts b/arch/arm/boot/dts/exynos5440-ssdk5440.dts index d55042b..a85ac0e 100644 --- a/arch/arm/boot/dts/exynos5440-ssdk5440.dts +++ b/arch/arm/boot/dts/exynos5440-ssdk5440.dts @@ -20,8 +20,43 @@ bootargs = "root=/dev/sda2 rw rootwait ignore_loglevel early_printk no_console_suspend mem=2048M@0x80000000 console=ttySAC0,115200"; }; - spi { - status = "disabled"; + spi_0: spi@D0000 { + + flash: w25q128@0 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "winbond,w25q128"; + spi-max-frequency = <15625000>; + reg = <0>; + controller-data { + samsung,spi-feedback-delay = <0>; + }; + + partition@00000 { + label = "BootLoader"; + reg = <0x60000 0x80000>; + read-only; + }; + + partition@e0000 { + label = "Recovery-Kernel"; + reg = <0xe0000 0x300000>; + read-only; + }; + + partition@3e0000 { + label = "CRAM-FS"; + reg = <0x3e0000 0x700000>; + read-only; + }; + + partition@ae0000 { + label = "User-Data"; + reg = <0xae0000 0x520000>; + }; + + }; + }; fixed-rate-clocks { diff --git a/arch/arm/boot/dts/exynos5440.dtsi b/arch/arm/boot/dts/exynos5440.dtsi index f6b1c89..7c5dc38 100644 --- a/arch/arm/boot/dts/exynos5440.dtsi +++ b/arch/arm/boot/dts/exynos5440.dtsi @@ -16,6 +16,10 @@ interrupt-parent = <&gic>; + aliases { + spi0 = &spi_0; + }; + clock: clock-controller@0x160000 { compatible = "samsung,exynos5440-clock"; reg = <0x160000 0x1000>; @@ -101,15 +105,15 @@ clock-names = "uart", "clk_uart_baud0"; }; - spi { - compatible = "samsung,exynos4210-spi"; - reg = <0xD0000 0x1000>; + spi_0: spi@D0000 { + compatible = "samsung,exynos5440-spi"; + reg = <0xD0000 0x100>; interrupts = <0 4 0>; - tx-dma-channel = <&pdma0 5>; /* preliminary */ - rx-dma-channel = <&pdma0 4>; /* preliminary */ #address-cells = <1>; #size-cells = <0>; - clocks = <&clock 21>, <&clock 16>; + samsung,spi-src-clk = <0>; + num-cs = <1>; + clocks = <&clock 8>, <&clock 3>; clock-names = "spi", "spi_busclk0"; };
This patch enables the SPI in EXYNOS5440 SoC. The NOR Flash can be accessed by enabling the spi interface Signed-off-by: Girish K S <ks.giri@samsung.com> --- arch/arm/boot/dts/exynos5440-ssdk5440.dts | 39 +++++++++++++++++++++++++++- arch/arm/boot/dts/exynos5440.dtsi | 16 +++++++---- 2 files changed, 47 insertions(+), 8 deletions(-)