[PATCH v2 1/3] mtd: spi-nor: Add support for is25lp016d

[Fabrizio Castro]

The is25lp016d is found on the iwg23s from iWave, therefore
add driver support for it so that we can upstream board support.

Signed-off-by: Fabrizio Castro <***@bp.renesas.com>

---
v1->v2:
* No change

drivers/mtd/spi-nor/spi-nor.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c
index 9407ca5..85d869b 100644
--- a/drivers/mtd/spi-nor/spi-nor.c
+++ b/drivers/mtd/spi-nor/spi-nor.c
@@ -1352,6 +1352,8 @@ static const struct flash_info spi_nor_ids[] = {
{ "is25cd512", INFO(0x7f9d20, 0, 32 * 1024, 2, SECT_4K) },
{ "is25lq040b", INFO(0x9d4013, 0, 64 * 1024, 8,
SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
+ { "is25lp016d", INFO(0x9d6015, 0, 64 * 1024, 32,
+ SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
{ "is25lp080d", INFO(0x9d6014, 0, 64 * 1024, 16,
SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
{ "is25lp128", INFO(0x9d6018, 0, 64 * 1024, 256,

[Fabrizio Castro]

This commit adds QSPI flash support to the iwg23s board specific
device tree.

Signed-off-by: Fabrizio Castro <***@bp.renesas.com>

---
v1->v2:
* No Change

arch/arm/boot/dts/r8a77470-iwg23s-sbc.dts | 26 ++++++++++++++++++++++++++
1 file changed, 26 insertions(+)

diff --git a/arch/arm/boot/dts/r8a77470-iwg23s-sbc.dts b/arch/arm/boot/dts/r8a77470-iwg23s-sbc.dts
index 52f23b8..40b7f98 100644
--- a/arch/arm/boot/dts/r8a77470-iwg23s-sbc.dts
+++ b/arch/arm/boot/dts/r8a77470-iwg23s-sbc.dts
@@ -96,6 +96,11 @@
power-source = <1800>;
};

+ qspi0_pins: qspi0 {
+ groups = "qspi0_ctrl", "qspi0_data2";
+ function = "qspi0";
+ };
+
scif1_pins: scif1 {
groups = "scif1_data_b";
function = "scif1";
@@ -114,6 +119,27 @@
};
};

+&qspi0 {
+ pinctrl-0 = <&qspi0_pins>;
+ pinctrl-names = "default";
+
+ status = "okay";
+
+ /* WARNING - This device contains the bootloader. Handle with care. */
+ flash: ***@0 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "issi,is25lp016d", "jedec,spi-nor";
+ reg = <0>;
+ spi-max-frequency = <133000000>;
+ spi-tx-bus-width = <1>;
+ spi-rx-bus-width = <1>;
+ m25p,fast-read;
+ spi-cpol;
+ spi-cpha;
+ };
+};
+
&rwdt {
timeout-sec = <60>;
status = "okay";

[Simon Horman]

Post by Fabrizio Castro
This commit adds QSPI flash support to the iwg23s board specific
device tree.

Thanks,

This looks fine to me but I will wait to see if there are other reviews
before applying.

Reviewed-by: Simon Horman <horms+***@verge.net.au>

[Simon Horman]

Post by Simon Horman

Post by Fabrizio Castro
This commit adds QSPI flash support to the iwg23s board specific
device tree.

Thanks,
This looks fine to me but I will wait to see if there are other reviews
before applying.

Thanks again,

applied for v4.21.

[Fabrizio Castro]

Add QSPI[01] support to the RZ/G1C SoC specific device tree.

Signed-off-by: Fabrizio Castro <***@bp.renesas.com>

---
v1->v2:
* Removed aliases

arch/arm/boot/dts/r8a77470.dtsi | 32 ++++++++++++++++++++++++++++++++
1 file changed, 32 insertions(+)

diff --git a/arch/arm/boot/dts/r8a77470.dtsi b/arch/arm/boot/dts/r8a77470.dtsi
index 5c0e48d..f4e232b 100644
--- a/arch/arm/boot/dts/r8a77470.dtsi
+++ b/arch/arm/boot/dts/r8a77470.dtsi
@@ -460,6 +460,38 @@
status = "disabled";
};

+ qspi0: ***@e6b10000 {
+ compatible = "renesas,qspi-r8a77470", "renesas,qspi";
+ reg = <0 0xe6b10000 0 0x2c>;
+ interrupts = <GIC_SPI 184 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&cpg CPG_MOD 918>;
+ dmas = <&dmac0 0x17>, <&dmac0 0x18>,
+ <&dmac1 0x17>, <&dmac1 0x18>;
+ dma-names = "tx", "rx", "tx", "rx";
+ power-domains = <&sysc R8A77470_PD_ALWAYS_ON>;
+ num-cs = <1>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ resets = <&cpg 918>;
+ status = "disabled";
+ };
+
+ qspi1: ***@ee200000 {
+ compatible = "renesas,qspi-r8a77470", "renesas,qspi";
+ reg = <0 0xee200000 0 0x2c>;
+ interrupts = <GIC_SPI 239 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&cpg CPG_MOD 917>;
+ dmas = <&dmac0 0xd1>, <&dmac0 0xd2>,
+ <&dmac1 0xd1>, <&dmac1 0xd2>;
+ dma-names = "tx", "rx", "tx", "rx";
+ power-domains = <&sysc R8A77470_PD_ALWAYS_ON>;
+ num-cs = <1>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ resets = <&cpg 917>;
+ status = "disabled";
+ };
+
scif0: ***@e6e60000 {
compatible = "renesas,scif-r8a77470",
"renesas,rcar-gen2-scif", "renesas,scif";

[Simon Horman]

Post by Fabrizio Castro
Add QSPI[01] support to the RZ/G1C SoC specific device tree.

Thanks,

This looks fine to me but I will wait to see if there are other reviews
before applying.

Reviewed-by: Simon Horman <horms+***@verge.net.au>

[Simon Horman]

Post by Simon Horman

Post by Fabrizio Castro
Add QSPI[01] support to the RZ/G1C SoC specific device tree.

Thanks,
This looks fine to me but I will wait to see if there are other reviews
before applying.

Thanks again,

applied for v4.21.

[Boris Brezillon]

Post by Fabrizio Castro
The is25lp016d is found on the iwg23s from iWave, therefore
add driver support for it so that we can upstream board support.

Applied to http://git.infradead.org/linux-mtd.git spi-nor/next, thanks.

Boris