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From c813fbe806257c574240770ef716fbee19f7dbfa Mon Sep 17 00:00:00 2001
From: Xiangsheng Hou <xiangsheng.hou@mediatek.com>
Date: Thu, 6 Jun 2019 16:29:04 +0800
Subject: [PATCH] spi: spi-mem: Mediatek: Add SPI Nand support for MT7629
Signed-off-by: Xiangsheng Hou <xiangsheng.hou@mediatek.com>
---
arch/arm/boot/dts/mt7629-rfb.dts | 45 ++++++++++++++++++++++++++++++++
arch/arm/boot/dts/mt7629.dtsi | 22 ++++++++++++++++
drivers/spi/spi-mtk-snfi.c | 12 +++++++++
3 files changed, 79 insertions(+)
--- a/arch/arm/boot/dts/mt7629.dtsi
+++ b/arch/arm/boot/dts/mt7629.dtsi
@@ -259,6 +259,28 @@
status = "disabled";
};
+ bch: ecc@1100e000 {
+ compatible = "mediatek,mt7622-ecc";
+ reg = <0x1100e000 0x1000>;
+ interrupts = <GIC_SPI 95 IRQ_TYPE_LEVEL_LOW>;
+ clocks = <&pericfg CLK_PERI_NFIECC_PD>;
+ clock-names = "nfiecc_clk";
+ status = "disabled";
+ };
+
+ snfi: spi@1100d000 {
+ compatible = "mediatek,mt7629-snfi";
+ reg = <0x1100d000 0x1000>;
+ interrupts = <GIC_SPI 96 IRQ_TYPE_LEVEL_LOW>;
+ clocks = <&pericfg CLK_PERI_NFI_PD>,
+ <&pericfg CLK_PERI_SNFI_PD>;
+ clock-names = "nfi_clk", "spi_clk";
+ ecc-engine = <&bch>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+ };
+
spi: spi@1100a000 {
compatible = "mediatek,mt7629-spi",
"mediatek,mt7622-spi";
--- a/drivers/spi/spi-mtk-snfi.c
+++ b/drivers/spi/spi-mtk-snfi.c
@@ -1029,8 +1029,20 @@ static const struct mtk_snfi_caps snfi_m
.bad_mark_swap = 0,
};
+static const struct mtk_snfi_caps snfi_mt7629 = {
+ .spare_size = spare_size_mt7622,
+ .num_spare_size = 4,
+ .nand_sec_size = 512,
+ .nand_fdm_size = 8,
+ .nand_fdm_ecc_size = 1,
+ .ecc_parity_bits = 13,
+ .pageformat_spare_shift = 4,
+ .bad_mark_swap = 1,
+};
+
static const struct of_device_id mtk_snfi_id_table[] = {
{ .compatible = "mediatek,mt7622-snfi", .data = &snfi_mt7622, },
+ { .compatible = "mediatek,mt7629-snfi", .data = &snfi_mt7629, },
{ /* sentinel */ }
};
--- a/arch/arm/boot/dts/mt7629-rfb.dts
+++ b/arch/arm/boot/dts/mt7629-rfb.dts
@@ -281,6 +281,52 @@
};
};
+&bch {
+ status = "okay";
+};
+
+&snfi {
+ pinctrl-names = "default";
+ pinctrl-0 = <&serial_nand_pins>;
+ status = "okay";
+
+ spi_nand@0 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "spi-nand";
+ spi-max-frequency = <104000000>;
+ reg = <0>;
+
+ partitions {
+ compatible = "fixed-partitions";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ partition@0 {
+ label = "Bootloader";
+ reg = <0x00000 0x0100000>;
+ read-only;
+ };
+
+ partition@100000 {
+ label = "Config";
+ reg = <0x100000 0x0040000>;
+ };
+
+ partition@140000 {
+ label = "factory";
+ reg = <0x140000 0x0080000>;
+ };
+
+ partition@1c0000 {
+ label = "firmware";
+ reg = <0x1c0000 0x1000000>;
+ };
+
+ };
+ };
+};
+
&spi {
pinctrl-names = "default";
pinctrl-0 = <&spi_pins>;
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