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From:   Saravanan Sekar <sravanhome@gmail.com>
To:     afaerber@suse.de, sboyd@kernel.org
Cc:     pn@denx.de, linux-arm-kernel@lists.infradead.org,
        mturquette@baylibre.com, manivannan.sadhasivam@linaro.org,
        linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org,
        robh+dt@kernel.org, mark.rutland@arm.com, catalin.marinas@arm.com,
        will.deacon@arm.com, devicetree@vger.kernel.org,
        Saravanan Sekar <sravanhome@gmail.com>
Subject: [PATCH 1/2] arm64: dts: actions: Enable clock controller for S700
Date:   Tue, 26 Jun 2018 21:28:19 +0200
Message-Id: <20180626192820.28237-2-sravanhome@gmail.com>
In-Reply-To: <20180626192820.28237-1-sravanhome@gmail.com>
References: <20180626192820.28237-1-sravanhome@gmail.com>
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

Added clock management controller for S700

Signed-off-by: Parthiban Nallathambi <pn@denx.de>
Signed-off-by: Saravanan Sekar <sravanhome@gmail.com>
---
 .../boot/dts/actions/s700-cubieboard7.dts     |   7 -
 arch/arm64/boot/dts/actions/s700.dtsi         |   8 ++
 include/dt-bindings/clock/actions,s700-cmu.h  | 128 ++++++++++++++++++
 3 files changed, 136 insertions(+), 7 deletions(-)
 create mode 100644 include/dt-bindings/clock/actions,s700-cmu.h

diff --git a/arch/arm64/boot/dts/actions/s700-cubieboard7.dts b/arch/arm64/boot/dts/actions/s700-cubieboard7.dts
index ef79d7905f44..28f3f4a0f7f0 100644
--- a/arch/arm64/boot/dts/actions/s700-cubieboard7.dts
+++ b/arch/arm64/boot/dts/actions/s700-cubieboard7.dts
@@ -28,12 +28,6 @@
 		device_type = "memory";
 		reg = <0x1 0xe0000000 0x0 0x0>;
 	};
-
-	uart3_clk: uart3-clk {
-		compatible = "fixed-clock";
-		clock-frequency = <921600>;
-		#clock-cells = <0>;
-	};
 };
 
 &timer {
@@ -42,5 +36,4 @@
 
 &uart3 {
 	status = "okay";
-	clocks = <&uart3_clk>;
 };
diff --git a/arch/arm64/boot/dts/actions/s700.dtsi b/arch/arm64/boot/dts/actions/s700.dtsi
index 66dd5309f0a2..3530b705df90 100644
--- a/arch/arm64/boot/dts/actions/s700.dtsi
+++ b/arch/arm64/boot/dts/actions/s700.dtsi
@@ -4,6 +4,7 @@
  */
 
 #include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/clock/actions,s700-cmu.h>
 
 / {
 	compatible = "actions,s700";
@@ -44,6 +45,12 @@
 		};
 	};
 
+	clock: clock-controller@e0168000 {
+		compatible = "actions,s700-cmu";
+		reg = <0 0xe0168000 0 0x1000>;
+		#clock-cells = <1>;
+	};
+
 	reserved-memory {
 		#address-cells = <2>;
 		#size-cells = <2>;
@@ -129,6 +136,7 @@
 			compatible = "actions,s900-uart", "actions,owl-uart";
 			reg = <0x0 0xe0126000 0x0 0x2000>;
 			interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&clock CLK_UART3>;
 			status = "disabled";
 		};
 
diff --git a/include/dt-bindings/clock/actions,s700-cmu.h b/include/dt-bindings/clock/actions,s700-cmu.h
new file mode 100644
index 000000000000..e5b4ea130953
--- /dev/null
+++ b/include/dt-bindings/clock/actions,s700-cmu.h
@@ -0,0 +1,128 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Actions S700 clock driver
+ *
+ * Copyright (c) 2014 Actions Semi Inc.
+ * Author: David Liu <liuwei@actions-semi.com>
+ *
+ * Author: Pathiban Nallathambi <pn@denx.de>
+ * Author: Saravanan Sekar <sravanhome@gmail.com>
+ */
+
+#ifndef __DT_BINDINGS_CLOCK_S700_H
+#define __DT_BINDINGS_CLOCK_S700_H
+
+#define CLK_NONE			0
+
+/* fixed rate clocks */
+#define CLK_LOSC			1
+#define CLK_HOSC			2
+
+/* pll clocks */
+#define CLK_CORE_PLL			3
+#define CLK_DEV_PLL			4
+#define CLK_DDR_PLL			5
+#define CLK_NAND_PLL			6
+#define CLK_DISPLAY_PLL			7
+#define CLK_TVOUT_PLL			8
+#define CLK_CVBS_PLL			9
+#define CLK_AUDIO_PLL			10
+#define CLK_ETHERNET_PLL		11
+
+
+/* system clock */
+#define CLK_SYS_BASE			12
+#define CLK_CPU				CLK_SYS_BASE
+#define CLK_DEV				(CLK_SYS_BASE+1)
+#define CLK_AHB				(CLK_SYS_BASE+2)
+#define CLK_APB				(CLK_SYS_BASE+3)
+#define CLK_DMAC			(CLK_SYS_BASE+4)
+#define CLK_NOC0_CLK_MUX		(CLK_SYS_BASE+5)
+#define CLK_NOC1_CLK_MUX		(CLK_SYS_BASE+6)
+#define CLK_HP_CLK_MUX			(CLK_SYS_BASE+7)
+#define CLK_HP_CLK_DIV			(CLK_SYS_BASE+8)
+#define CLK_NOC1_CLK_DIV		(CLK_SYS_BASE+9)
+#define CLK_NOC0			(CLK_SYS_BASE+10)
+#define CLK_NOC1			(CLK_SYS_BASE+11)
+#define CLK_SENOR_SRC			(CLK_SYS_BASE+12)
+
+/* peripheral device clock */
+#define CLK_PERIP_BASE			25
+#define CLK_GPIO			(CLK_PERIP_BASE)
+#define CLK_TIMER			(CLK_PERIP_BASE+1)
+#define CLK_DSI				(CLK_PERIP_BASE+2)
+#define CLK_CSI				(CLK_PERIP_BASE+3)
+#define CLK_SI				(CLK_PERIP_BASE+4)
+#define CLK_DE				(CLK_PERIP_BASE+5)
+#define CLK_HDE				(CLK_PERIP_BASE+6)
+#define CLK_VDE				(CLK_PERIP_BASE+7)
+#define CLK_VCE				(CLK_PERIP_BASE+8)
+#define CLK_NAND			(CLK_PERIP_BASE+9)
+#define CLK_SD0				(CLK_PERIP_BASE+10)
+#define CLK_SD1				(CLK_PERIP_BASE+11)
+#define CLK_SD2				(CLK_PERIP_BASE+12)
+
+#define CLK_UART0			(CLK_PERIP_BASE+13)
+#define CLK_UART1			(CLK_PERIP_BASE+14)
+#define CLK_UART2			(CLK_PERIP_BASE+15)
+#define CLK_UART3			(CLK_PERIP_BASE+16)
+#define CLK_UART4			(CLK_PERIP_BASE+17)
+#define CLK_UART5			(CLK_PERIP_BASE+18)
+#define CLK_UART6			(CLK_PERIP_BASE+19)
+
+#define CLK_PWM0			(CLK_PERIP_BASE+20)
+#define CLK_PWM1			(CLK_PERIP_BASE+21)
+#define CLK_PWM2			(CLK_PERIP_BASE+22)
+#define CLK_PWM3			(CLK_PERIP_BASE+23)
+#define CLK_PWM4			(CLK_PERIP_BASE+24)
+#define CLK_PWM5			(CLK_PERIP_BASE+25)
+#define CLK_GPU3D			(CLK_PERIP_BASE+26)
+
+#define CLK_I2C0			(CLK_PERIP_BASE+27)
+#define CLK_I2C1			(CLK_PERIP_BASE+28)
+#define CLK_I2C2			(CLK_PERIP_BASE+29)
+#define CLK_I2C3			(CLK_PERIP_BASE+30)
+
+
+#define CLK_SPI0			(CLK_PERIP_BASE+31)
+#define CLK_SPI1			(CLK_PERIP_BASE+32)
+#define CLK_SPI2			(CLK_PERIP_BASE+33)
+#define CLK_SPI3			(CLK_PERIP_BASE+34)
+
+#define CLK_USB3_480MPLL0		(CLK_PERIP_BASE+35)
+#define CLK_USB3_480MPHY0		(CLK_PERIP_BASE+36)
+#define CLK_USB3_5GPHY			(CLK_PERIP_BASE+37)
+#define CLK_USB3_CCE			(CLK_PERIP_BASE+48)
+#define CLK_USB3_MAC			(CLK_PERIP_BASE+49)
+
+
+#define CLK_LCD				(CLK_PERIP_BASE+50)
+#define CLK_HDMI_AUDIO			(CLK_PERIP_BASE+51)
+#define CLK_I2SRX			(CLK_PERIP_BASE+52)
+#define CLK_I2STX			(CLK_PERIP_BASE+53)
+
+#define CLK_SENSOR0			(CLK_PERIP_BASE+54)
+#define CLK_SENSOR1			(CLK_PERIP_BASE+55)
+
+#define CLK_HDMI_DEV			(CLK_PERIP_BASE+56)
+
+#define CLK_ETHERNET			(CLK_PERIP_BASE+59)
+#define CLK_RMII_REF			(CLK_PERIP_BASE+60)
+
+#define CLK_USB2H0_PLLEN		(CLK_PERIP_BASE+61)
+#define CLK_USB2H0_PHY			(CLK_PERIP_BASE+62)
+#define CLK_USB2H0_CCE			(CLK_PERIP_BASE+63)
+#define CLK_USB2H1_PLLEN		(CLK_PERIP_BASE+64)
+#define CLK_USB2H1_PHY			(CLK_PERIP_BASE+65)
+#define CLK_USB2H1_CCE			(CLK_PERIP_BASE+66)
+
+
+#define CLK_TVOUT			(CLK_PERIP_BASE+67)
+
+#define CLK_THERMAL_SENSOR		(CLK_PERIP_BASE+68)
+
+#define CLK_IRC_SWITCH			(CLK_PERIP_BASE+69)
+#define CLK_PCM1			(CLK_PERIP_BASE+70)
+#define CLK_NR_CLKS			(CLK_PCM1) /* update on adding new clk */
+
+#endif /* __DT_BINDINGS_CLOCK_S700_H */
-- 
2.18.0