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Message-Id: <1454203266-4450-8-git-send-email-vishnupatekar0510@gmail.com>
Date: Sun, 31 Jan 2016 09:20:59 +0800
From: Vishnu Patekar <vishnupatekar0510@...il.com>
To: robh+dt@...nel.org, corbet@....net, pawel.moll@....com,
mark.rutland@....com, ijc+devicetree@...lion.org.uk,
galak@...eaurora.org, maxime.ripard@...e-electrons.com,
linux@....linux.org.uk, emilio@...pez.com.ar
Cc: jenskuske@...il.com, hdegoede@...hat.com, wens@...e.org,
devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-kernel@...r.kernel.org, linux-sunxi@...glegroups.com,
linux-gpio@...r.kernel.org, linus.walleij@...aro.org,
mturquette@...libre.com, sboyd@...eaurora.org,
patchesrdh@...as.com, linux-clk@...r.kernel.org
Subject: [PATCH 07/14] ARM: dts: sun8i-a83t: Add basic clocks and resets
This adds A83T system bus clocks, bus gates, and clock resets.
For ahb1 and ahb2, it's not clear which reset belongs to ahb1
or ahb2; so named as ahb_reset0, ahb_reset1, ahb_reset2.
Signed-off-by: Vishnu Patekar <vishnupatekar0510@...il.com>
---
arch/arm/boot/dts/sun8i-a83t.dtsi | 127 +++++++++++++++++++++++++++++++++++++-
1 file changed, 125 insertions(+), 2 deletions(-)
diff --git a/arch/arm/boot/dts/sun8i-a83t.dtsi b/arch/arm/boot/dts/sun8i-a83t.dtsi
index 45b725c..568d6fb 100644
--- a/arch/arm/boot/dts/sun8i-a83t.dtsi
+++ b/arch/arm/boot/dts/sun8i-a83t.dtsi
@@ -146,6 +146,98 @@
clocks = <&osc16M>;
clock-output-names = "osc16Md512";
};
+
+
+ pll6: clk@...20028 {
+ #clock-cells = <0>;
+ compatible = "allwinner,sun9i-a80-pll4-clk";
+ reg = <0x01c20028 0x4>;
+ clocks = <&osc24M>;
+ clock-output-names = "pll6";
+ };
+
+ pll6d2: pll6d2_clk {
+ #clock-cells = <0>;
+ compatible = "fixed-factor-clock";
+ clock-div = <2>;
+ clock-mult = <1>;
+ clocks = <&pll6>;
+ clock-output-names = "pll6d2";
+ };
+
+ ahb1: ahb1_clk@...20054 {
+ #clock-cells = <0>;
+ compatible = "allwinner,sun8i-a83t-ahb1-clk";
+ reg = <0x01c20054 0x4>;
+ clocks = <&osc16Md512>, <&osc24M>, <&pll6>, <&pll6>;
+ clock-output-names = "ahb1";
+ };
+
+ ahb2: ahb2_clk@...2005c {
+ #clock-cells = <0>;
+ compatible = "allwinner,sun8i-h3-ahb2-clk";
+ reg = <0x01c2005c 0x4>;
+ clocks = <&ahb1>, <&pll6d2>;
+ clock-output-names = "ahb2";
+ };
+
+ apb1: apb1_clk@...20054 {
+ #clock-cells = <0>;
+ compatible = "allwinner,sun8i-a83t-apb1-clk";
+ reg = <0x01c20054 0x4>;
+ clocks = <&ahb1>;
+ clock-output-names = "apb1";
+ };
+
+ apb2: clk@...20058 {
+ #clock-cells = <0>;
+ compatible = "allwinner,sun4i-a10-apb1-clk";
+ reg = <0x01c20058 0x4>;
+ clocks = <&osc16Md512>, <&osc24M>, <&pll6>, <&pll6>;
+ clock-output-names = "apb2";
+ };
+
+ bus_gates: clk@...20060 {
+ #clock-cells = <1>;
+ compatible = "allwinner,sun8i-a83t-bus-gates-clk";
+ reg = <0x01c20060 0x10>;
+ clocks = <&ahb1>, <&ahb2>, <&apb1>, <&apb2>;
+ clock-names = "ahb1", "ahb2", "apb1", "apb2";
+ clock-indices = <1>, <5>, <6>,
+ <8>, <9>, <10>,
+ <13>, <14>, <17>,
+ <19>, <20>,
+ <21>, <24>,
+ <26>, <27>,
+ <29>, <32>,
+ <36>, <37>,
+ <40>, <43>,
+ <44>, <52>, <53>,
+ <54>, <65>,
+ <69>, <76>, <77>,
+ <78>, <79>, <96>,
+ <97>, <98>,
+ <112>, <113>,
+ <114>, <115>,
+ <116>;
+ clock-output-names = "bus_mipidsi", "bus_ss", "bus_dma",
+ "bus_mmc0", "bus_mmc1", "bus_mmc2",
+ "bus_nand", "bus_sdram", "bus_emac",
+ "bus_hstimer", "bus_spi0",
+ "bus_spi1", "bus_usb_drd",
+ "bus_ehci0", "bus_ehci1",
+ "bus_ohci0", "bus_ve",
+ "bus_lcd0", "bus_lcd1",
+ "bus_csi", "bus_hdmi",
+ "bus_de", "bus_gpu", "bus_msgbox",
+ "bus_spinlock", "bus_owa",
+ "bus_pio", "bus_i2s0", "bus_i2s1",
+ "bus_i2s2", "bus_tdm", "bus_i2c0",
+ "bus_i2c1", "bus_i2c2",
+ "bus_uart0", "bus_uart1",
+ "bus_uart2", "bus_uart3",
+ "bus_uart4";
+ };
};
soc {
@@ -160,7 +252,7 @@
<GIC_SPI 17 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 100 IRQ_TYPE_LEVEL_HIGH>;
reg = <0x01c20800 0x400>;
- clocks = <&osc24M>;
+ clocks = <&bus_gates 69>;
gpio-controller;
interrupt-controller;
#interrupt-cells = <3>;
@@ -189,6 +281,36 @@
};
};
+ ahb_reset0: reset@...202c0 {
+ reg = <0x01c202c0 0x4>;
+ compatible = "allwinner,sun6i-a31-clock-reset";
+ #reset-cells = <1>;
+ };
+
+ ahb_reset1: reset@...202c4 {
+ reg = <0x01c202c4 0x4>;
+ compatible = "allwinner,sun6i-a31-clock-reset";
+ #reset-cells = <1>;
+ };
+
+ ahb_reset2: reset@...202c8 {
+ reg = <0x01c202c8 0x4>;
+ compatible = "allwinner,sun6i-a31-clock-reset";
+ #reset-cells = <1>;
+ };
+
+ apb1_reset: reset@...202d0 {
+ reg = <0x01c202d0 0x4>;
+ compatible = "allwinner,sun6i-a31-clock-reset";
+ #reset-cells = <1>;
+ };
+
+ apb2_reset: reset@...202d8 {
+ reg = <0x01c202d8 0x4>;
+ compatible = "allwinner,sun6i-a31-clock-reset";
+ #reset-cells = <1>;
+ };
+
timer@...20c00 {
compatible = "allwinner,sun4i-a10-timer";
reg = <0x01c20c00 0xa0>;
@@ -210,7 +332,8 @@
interrupts = <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>;
reg-shift = <2>;
reg-io-width = <4>;
- clocks = <&osc24M>;
+ clocks = <&bus_gates 112>;
+ resets = <&apb2_reset 16>;
status = "disabled";
};
--
1.9.1
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