From 08b097c32f836c2ff20466021fa057c5d909366c Mon Sep 17 00:00:00 2001
From: Chris Morgan <macromorgan@hotmail.com>
Date: Thu, 5 Aug 2021 16:26:40 +0800
Subject: [PATCH] rockchip: px30: add the serial flash controller

Add the serial flash controller to the devicetree for the PX30.

Signed-off-by: Chris Morgan <macromorgan@hotmail.com>
Signed-off-by: Jon Lin <jon.lin@rock-chips.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
---
 arch/arm/dts/px30.dtsi | 38 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)

diff --git a/arch/arm/dts/px30.dtsi b/arch/arm/dts/px30.dtsi
index b6c79e7ed3..aaa8ae2235 100644
--- a/arch/arm/dts/px30.dtsi
+++ b/arch/arm/dts/px30.dtsi
@@ -960,6 +960,18 @@
 		status = "disabled";
 	};
 
+	sfc: sfc@ff3a0000 {
+		compatible = "rockchip,sfc";
+		reg = <0x0 0xff3a0000 0x0 0x4000>;
+		interrupts = <GIC_SPI 56 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&cru SCLK_SFC>, <&cru HCLK_SFC>;
+		clock-names = "clk_sfc", "hclk_sfc";
+		pinctrl-names = "default";
+		pinctrl-0 = <&sfc_clk &sfc_cs &sfc_bus4>;
+		power-domains = <&power PX30_PD_MMC_NAND>;
+		status = "disabled";
+	};
+
 	gpu: gpu@ff400000 {
 		compatible = "rockchip,px30-mali", "arm,mali-bifrost";
 		reg = <0x0 0xff400000 0x0 0x4000>;
@@ -1926,6 +1938,32 @@
 			};
 		};
 
+		serial_flash {
+			sfc_bus4: sfc-bus4 {
+				rockchip,pins =
+					<1 RK_PA0 3 &pcfg_pull_none>,
+					<1 RK_PA1 3 &pcfg_pull_none>,
+					<1 RK_PA2 3 &pcfg_pull_none>,
+					<1 RK_PA3 3 &pcfg_pull_none>;
+			};
+
+			sfc_bus2: sfc-bus2 {
+				rockchip,pins =
+					<1 RK_PA0 3 &pcfg_pull_none>,
+					<1 RK_PA1 3 &pcfg_pull_none>;
+			};
+
+			sfc_cs: sfc-cs {
+				rockchip,pins =
+					<1 RK_PA4 3 &pcfg_pull_none>;
+			};
+
+			sfc_clk: sfc-clk {
+				rockchip,pins =
+					<1 RK_PB1 3 &pcfg_pull_none>;
+			};
+		};
+
 		lcdc {
 			lcdc_rgb_dclk_pin: lcdc-rgb-dclk-pin {
 				rockchip,pins =
-- 
2.39.5