linux-kernel - [PATCH v2 1/2] riscv: defconfig: enable spi nor on Hifive Unleashed A00

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Date:   Tue, 19 May 2020 03:46:26 -0700
From:   Sagar Shrikant Kadam <sagar.kadam@...ive.com>
To:     linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-mtd@...ts.infradead.org
Cc:     paul.walmsley@...ive.com, palmer@...belt.com,
        aou@...s.berkeley.edu, tudor.ambarus@...rochip.com,
        miquel.raynal@...tlin.com, richard@....at, vigneshr@...com,
        anup.patel@....com, Sagar Shrikant Kadam <sagar.kadam@...ive.com>
Subject: [PATCH v2 1/2] riscv: defconfig: enable spi nor on Hifive Unleashed A00

Enable MTD based SPI-NOR framework in order to use spi flash available
on HiFive Unleashed A00 board, and move SPI_SIFIVE to Kconfig.socs. The
configurability of SPI_SIFIVE is retained and still can be enabled or
disabled as required.

Signed-off-by: Sagar Shrikant Kadam <sagar.kadam@...ive.com>
---
 arch/riscv/Kconfig.socs      | 1 +
 arch/riscv/configs/defconfig | 3 ++-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/riscv/Kconfig.socs b/arch/riscv/Kconfig.socs
index 216286d..bcb0b1a 100644
--- a/arch/riscv/Kconfig.socs
+++ b/arch/riscv/Kconfig.socs
@@ -7,6 +7,7 @@ config SOC_SIFIVE
 	select CLK_SIFIVE
 	select CLK_SIFIVE_FU540_PRCI
 	select SIFIVE_PLIC
+	imply SPI_SIFIVE if SPI
 	help
 	  This enables support for SiFive SoC platform hardware.
 
diff --git a/arch/riscv/configs/defconfig b/arch/riscv/configs/defconfig
index 4da4886..8e2d467 100644
--- a/arch/riscv/configs/defconfig
+++ b/arch/riscv/configs/defconfig
@@ -62,7 +62,6 @@ CONFIG_VIRTIO_CONSOLE=y
 CONFIG_HW_RANDOM=y
 CONFIG_HW_RANDOM_VIRTIO=y
 CONFIG_SPI=y
-CONFIG_SPI_SIFIVE=y
 # CONFIG_PTP_1588_CLOCK is not set
 CONFIG_POWER_RESET=y
 CONFIG_DRM=y
@@ -80,6 +79,8 @@ CONFIG_USB_STORAGE=y
 CONFIG_USB_UAS=y
 CONFIG_MMC=y
 CONFIG_MMC_SPI=y
+CONFIG_MTD=y
+CONFIG_MTD_SPI_NOR=y
 CONFIG_RTC_CLASS=y
 CONFIG_VIRTIO_PCI=y
 CONFIG_VIRTIO_BALLOON=y
-- 
2.7.4