On Monday 09 December 2013 11:12 PM, Tony Lindgren wrote:
* Sourav Poddar<sourav.poddar@xxxxxx> [131206 06:29]:
These add device tree entry for qspi controller driver on dra7.
FYI these .dts changes need to be queued separately by Benoit and
should be posted as a seprate series in general to avoid confusion.
Ok, thanks!
I posted this for review along with other code changes.
I will post them seperately to Benoit.
Regards,
Tony
Signed-off-by: Sourav Poddar<sourav.poddar@xxxxxx>
---
v1->v2:
use "MUX_MODE1" instead of numeric value
arch/arm/boot/dts/dra7-evm.dts | 32 ++++++++++++++++++++++++++++++++
arch/arm/boot/dts/dra7.dtsi | 13 +++++++++++++
2 files changed, 45 insertions(+), 0 deletions(-)
diff --git a/arch/arm/boot/dts/dra7-evm.dts b/arch/arm/boot/dts/dra7-evm.dts
index 5babba0..4a57fdf 100644
--- a/arch/arm/boot/dts/dra7-evm.dts
+++ b/arch/arm/boot/dts/dra7-evm.dts
@@ -93,6 +93,21 @@
0x24c (PIN_INPUT_SLEW | MUX_MODE0) /* uart3_txd */
>;
};
+
+ qspi1_pins: pinmux_qspi1_pins {
+ pinctrl-single,pins =<
+ 0x4c (PIN_INPUT | MUX_MODE1) /* gpmc_a3.qspi1_cs2 */
+ 0x50 (PIN_INPUT | MUX_MODE1) /* gpmc_a4.qspi1_cs3 */
+ 0x74 (PIN_INPUT | MUX_MODE1) /* gpmc_a13.qspi1_rtclk */
+ 0x78 (PIN_INPUT | MUX_MODE1) /* gpmc_a14.qspi1_d3 */
+ 0x7c (PIN_INPUT | MUX_MODE1) /* gpmc_a15.qspi1_d2 */
+ 0x80 (PIN_INPUT | MUX_MODE1) /* gpmc_a16.qspi1_d1 */
+ 0x84 (PIN_INPUT | MUX_MODE1) /* gpmc_a17.qspi1_d0 */
+ 0x88 (PIN_INPUT | MUX_MODE1) /* qpmc_a18.qspi1_sclk */
+ 0xb8 (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_cs2.qspi1_cs0 */
+ 0xbc (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_cs3.qspi1_cs1 */
+ >;
+ };
};
&i2c1 {
@@ -273,3 +288,20 @@
&cpu0 {
cpu0-supply =<&smps123_reg>;
};
+
+&qspi {
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 =<&qspi1_pins>;
+
+ spi-max-frequency =<48000000>;
+ m25p80@0 {
+ compatible = "s25fl256s1";
+ spi-max-frequency =<48000000>;
+ reg =<0>;
+ spi-tx-bus-width =<1>;
+ spi-rx-bus-width =<4>;
+ spi-cpol;
+ spi-cpha;
+ };
+};
diff --git a/arch/arm/boot/dts/dra7.dtsi b/arch/arm/boot/dts/dra7.dtsi
index 67275c8..b06d899 100644
--- a/arch/arm/boot/dts/dra7.dtsi
+++ b/arch/arm/boot/dts/dra7.dtsi
@@ -582,6 +582,19 @@
dma-names = "tx0", "rx0";
status = "disabled";
};
+
+ qspi: qspi@4b300000 {
+ compatible = "ti,dra7xxx-qspi";
+ reg =<0x4b300000 0x100>,<0x4a002558 0x4>,
+ <0x5c000000 0x3ffffff>;
+ reg-names = "qspi_base", "qspi_ctrlmod", "qspi_mmap";
+ #address-cells =<1>;
+ #size-cells =<0>;
+ ti,hwmods = "qspi";
+ num-cs =<4>;
+ interrupts =<0 124 0x4>;
+ status = "disabled";
+ };
};
clocks {
--
1.7.1
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