diff options
| author | Andrey Smirnov <andrew.smirnov@gmail.com> | 2019-05-22 10:20:52 +0300 |
|---|---|---|
| committer | Shawn Guo <shawnguo@kernel.org> | 2019-05-23 15:56:34 +0300 |
| commit | af79ef726ad605030ce1870cdeede0e687e1622a (patch) | |
| tree | 81b2884e2bd7d088c950d7b28bbb4146934456be /arch/arm/boot/dts/vf610-zii-dev.dtsi | |
| parent | 36b7ee5f7e06f69b7332715099ebd6597986140a (diff) | |
| download | linux-af79ef726ad605030ce1870cdeede0e687e1622a.tar.xz | |
ARM: dts: vf610-zii-dev: Add QSPI node
Both rev C and rev B of the board come with two QSPI-NOR chips
attached to the SoC. Add DT code describing all of this.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Cc: Shawn Guo <shawnguo@kernel.org>
Cc: Chris Healy <cphealy@gmail.com>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Fabio Estevam <festevam@gmail.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Diffstat (limited to 'arch/arm/boot/dts/vf610-zii-dev.dtsi')
| -rw-r--r-- | arch/arm/boot/dts/vf610-zii-dev.dtsi | 48 |
1 files changed, 42 insertions, 6 deletions
diff --git a/arch/arm/boot/dts/vf610-zii-dev.dtsi b/arch/arm/boot/dts/vf610-zii-dev.dtsi index 1f2e65ae2bd6..a1b4ccee2a10 100644 --- a/arch/arm/boot/dts/vf610-zii-dev.dtsi +++ b/arch/arm/boot/dts/vf610-zii-dev.dtsi @@ -177,6 +177,36 @@ status = "okay"; }; +&qspi0 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_qspi0>; + status = "okay"; + + /* + * Attached MT25QL02 can go up to 90Mhz in DTR and 166 in STR + * modes, so, spi-max-frequency is limited to 90MHz + */ + flash@0 { + compatible = "jedec,spi-nor"; + #address-cells = <1>; + #size-cells = <1>; + spi-max-frequency = <90000000>; + spi-rx-bus-width = <4>; + reg = <0>; + m25p,fast-read; + }; + + flash@2 { + compatible = "jedec,spi-nor"; + #address-cells = <1>; + #size-cells = <1>; + spi-max-frequency = <90000000>; + spi-rx-bus-width = <4>; + reg = <2>; + m25p,fast-read; + }; +}; + &uart0 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_uart0>; @@ -360,12 +390,18 @@ pinctrl_qspi0: qspi0grp { fsl,pins = < - VF610_PAD_PTD7__QSPI0_B_QSCK 0x31c3 - VF610_PAD_PTD8__QSPI0_B_CS0 0x31ff - VF610_PAD_PTD9__QSPI0_B_DATA3 0x31c3 - VF610_PAD_PTD10__QSPI0_B_DATA2 0x31c3 - VF610_PAD_PTD11__QSPI0_B_DATA1 0x31c3 - VF610_PAD_PTD12__QSPI0_B_DATA0 0x31c3 + VF610_PAD_PTD0__QSPI0_A_QSCK 0x38c2 + VF610_PAD_PTD1__QSPI0_A_CS0 0x38c2 + VF610_PAD_PTD2__QSPI0_A_DATA3 0x38c3 + VF610_PAD_PTD3__QSPI0_A_DATA2 0x38c3 + VF610_PAD_PTD4__QSPI0_A_DATA1 0x38c3 + VF610_PAD_PTD5__QSPI0_A_DATA0 0x38c3 + VF610_PAD_PTD7__QSPI0_B_QSCK 0x38c2 + VF610_PAD_PTD8__QSPI0_B_CS0 0x38c2 + VF610_PAD_PTD9__QSPI0_B_DATA3 0x38c3 + VF610_PAD_PTD10__QSPI0_B_DATA2 0x38c3 + VF610_PAD_PTD11__QSPI0_B_DATA1 0x38c3 + VF610_PAD_PTD12__QSPI0_B_DATA0 0x38c3 >; }; |