* 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.
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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