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Message-Id: <1399911817-4980-3-git-send-email-boris.brezillon@free-electrons.com>
Date: Mon, 12 May 2014 18:23:35 +0200
From: Boris BREZILLON <boris.brezillon@...e-electrons.com>
To: Nicolas Ferre <nicolas.ferre@...el.com>
Cc: Jean-Christophe Plagniol-Villard <plagnioj@...osoft.com>,
Alexandre Belloni <alexandre.belloni@...e-electrons.com>,
linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org,
Boris BREZILLON <boris.brezillon@...e-electrons.com>
Subject: [PATCH v2 2/4] ARM: at91/dt: define sam9x5 clocks
Define sam9x5 clocks in sam9x5 dt files and make use of them in peripheral
definitions.
Signed-off-by: Boris BREZILLON <boris.brezillon@...e-electrons.com>
Acked-by: Alexandre Belloni <alexandre.belloni@...e-electrons.com>
---
arch/arm/boot/dts/at91sam9x5.dtsi | 355 ++++++++++++++++++++++++++++++-
arch/arm/boot/dts/at91sam9x5_can.dtsi | 31 +++
arch/arm/boot/dts/at91sam9x5_isi.dtsi | 26 +++
arch/arm/boot/dts/at91sam9x5_lcd.dtsi | 26 +++
arch/arm/boot/dts/at91sam9x5_macb0.dtsi | 11 +
arch/arm/boot/dts/at91sam9x5_macb1.dtsi | 11 +
arch/arm/boot/dts/at91sam9x5_usart3.dtsi | 11 +
7 files changed, 470 insertions(+), 1 deletion(-)
create mode 100644 arch/arm/boot/dts/at91sam9x5_can.dtsi
create mode 100644 arch/arm/boot/dts/at91sam9x5_isi.dtsi
create mode 100644 arch/arm/boot/dts/at91sam9x5_lcd.dtsi
diff --git a/arch/arm/boot/dts/at91sam9x5.dtsi b/arch/arm/boot/dts/at91sam9x5.dtsi
index fc13c92..59339bc 100644
--- a/arch/arm/boot/dts/at91sam9x5.dtsi
+++ b/arch/arm/boot/dts/at91sam9x5.dtsi
@@ -14,6 +14,7 @@
#include <dt-bindings/pinctrl/at91.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/clock/at91.h>
/ {
model = "Atmel AT91SAM9x5 family SoC";
@@ -51,6 +52,24 @@
reg = <0x20000000 0x10000000>;
};
+ slow_xtal: slow_xtal {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <0>;
+ };
+
+ main_xtal: main_xtal {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <0>;
+ };
+
+ adc_op_clk: adc_op_clk{
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <5000000>;
+ };
+
ahb {
compatible = "simple-bus";
#address-cells = <1>;
@@ -77,8 +96,272 @@
};
pmc: pmc@...ffc00 {
- compatible = "atmel,at91rm9200-pmc";
+ compatible = "atmel,at91sam9x5-pmc";
reg = <0xfffffc00 0x100>;
+ interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>;
+ interrupt-controller;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ #interrupt-cells = <1>;
+
+ main_rc_osc: main_rc_osc {
+ compatible = "atmel,at91sam9x5-clk-main-rc-osc";
+ #clock-cells = <0>;
+ interrupts-extended = <&pmc AT91_PMC_MOSCRCS>;
+ clock-frequency = <12000000>;
+ clock-accuracy = <50000000>;
+ };
+
+ main_osc: main_osc {
+ compatible = "atmel,at91sam9x5-clk-main-osc";
+ #clock-cells = <0>;
+ interrupts-extended = <&pmc AT91_PMC_MOSCS>;
+ clocks = <&main_xtal>;
+ };
+
+ main: mainck {
+ compatible = "atmel,at91sam9x5-clk-main";
+ #clock-cells = <0>;
+ interrupts-extended = <&pmc AT91_PMC_MOSCSELS>;
+ clocks = <&main_rc_osc>, <&main_osc>;
+ };
+
+ plla: pllack {
+ compatible = "atmel,at91rm9200-clk-pll";
+ #clock-cells = <0>;
+ interrupts-extended = <&pmc AT91_PMC_LOCKA>;
+ clocks = <&main>;
+ reg = <0>;
+ atmel,clk-input-range = <2000000 32000000>;
+ #atmel,pll-clk-output-range-cells = <4>;
+ atmel,pll-clk-output-ranges = <745000000 800000000 0 0
+ 695000000 750000000 1 0
+ 645000000 700000000 2 0
+ 595000000 650000000 3 0
+ 545000000 600000000 0 1
+ 495000000 555000000 1 1
+ 445000000 500000000 1 2
+ 400000000 450000000 1 3>;
+ };
+
+ plladiv: plladivck {
+ compatible = "atmel,at91sam9x5-clk-plldiv";
+ #clock-cells = <0>;
+ clocks = <&plla>;
+ };
+
+ utmi: utmick {
+ compatible = "atmel,at91sam9x5-clk-utmi";
+ #clock-cells = <0>;
+ interrupts-extended = <&pmc AT91_PMC_LOCKU>;
+ clocks = <&main>;
+ };
+
+ mck: masterck {
+ compatible = "atmel,at91sam9x5-clk-master";
+ #clock-cells = <0>;
+ interrupts-extended = <&pmc AT91_PMC_MCKRDY>;
+ clocks = <&clk32k>, <&main>, <&plladiv>, <&utmi>;
+ atmel,clk-output-range = <0 133333333>;
+ atmel,clk-divisors = <1 2 4 3>;
+ atmel,master-clk-have-div3-pres;
+ };
+
+ usb: usbck {
+ compatible = "atmel,at91sam9x5-clk-usb";
+ #clock-cells = <0>;
+ clocks = <&plladiv>, <&utmi>;
+ };
+
+ prog: progck {
+ compatible = "atmel,at91sam9x5-clk-programmable";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ interrupt-parent = <&pmc>;
+ clocks = <&clk32k>, <&main>, <&plladiv>, <&utmi>, <&mck>;
+
+ prog0: prog0 {
+ #clock-cells = <0>;
+ reg = <0>;
+ interrupts = <AT91_PMC_PCKRDY(0)>;
+ };
+
+ prog1: prog1 {
+ #clock-cells = <0>;
+ reg = <1>;
+ interrupts = <AT91_PMC_PCKRDY(1)>;
+ };
+ };
+
+ smd: smdclk {
+ compatible = "atmel,at91sam9x5-clk-smd";
+ #clock-cells = <0>;
+ clocks = <&plladiv>, <&utmi>;
+ };
+
+ systemck {
+ compatible = "atmel,at91rm9200-clk-system";
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ ddrck: ddrck {
+ #clock-cells = <0>;
+ reg = <2>;
+ clocks = <&mck>;
+ };
+
+ smdck: smdck {
+ #clock-cells = <0>;
+ reg = <4>;
+ clocks = <&smd>;
+ };
+
+ uhpck: uhpck {
+ #clock-cells = <0>;
+ reg = <6>;
+ clocks = <&usb>;
+ };
+
+ udpck: udpck {
+ #clock-cells = <0>;
+ reg = <7>;
+ clocks = <&usb>;
+ };
+
+ pck0: pck0 {
+ #clock-cells = <0>;
+ reg = <8>;
+ clocks = <&prog0>;
+ };
+
+ pck1: pck1 {
+ #clock-cells = <0>;
+ reg = <9>;
+ clocks = <&prog1>;
+ };
+ };
+
+ periphck {
+ compatible = "atmel,at91sam9x5-clk-peripheral";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clocks = <&mck>;
+
+ pioAB_clk: pioAB_clk {
+ #clock-cells = <0>;
+ reg = <2>;
+ };
+
+ pioCD_clk: pioCD_clk {
+ #clock-cells = <0>;
+ reg = <3>;
+ };
+
+ smd_clk: smd_clk {
+ #clock-cells = <0>;
+ reg = <4>;
+ };
+
+ usart0_clk: usart0_clk {
+ #clock-cells = <0>;
+ reg = <5>;
+ };
+
+ usart1_clk: usart1_clk {
+ #clock-cells = <0>;
+ reg = <6>;
+ };
+
+ usart2_clk: usart2_clk {
+ #clock-cells = <0>;
+ reg = <7>;
+ };
+
+ twi0_clk: twi0_clk {
+ reg = <9>;
+ #clock-cells = <0>;
+ };
+
+ twi1_clk: twi1_clk {
+ #clock-cells = <0>;
+ reg = <10>;
+ };
+
+ twi2_clk: twi2_clk {
+ #clock-cells = <0>;
+ reg = <11>;
+ };
+
+ mci0_clk: mci0_clk {
+ #clock-cells = <0>;
+ reg = <12>;
+ };
+
+ spi0_clk: spi0_clk {
+ #clock-cells = <0>;
+ reg = <13>;
+ };
+
+ spi1_clk: spi1_clk {
+ #clock-cells = <0>;
+ reg = <14>;
+ };
+
+ uart0_clk: uart0_clk {
+ #clock-cells = <0>;
+ reg = <15>;
+ };
+
+ uart1_clk: uart1_clk {
+ #clock-cells = <0>;
+ reg = <16>;
+ };
+
+ tcb0_clk: tcb0_clk {
+ #clock-cells = <0>;
+ reg = <17>;
+ };
+
+ pwm_clk: pwm_clk {
+ #clock-cells = <0>;
+ reg = <18>;
+ };
+
+ adc_clk: adc_clk {
+ #clock-cells = <0>;
+ reg = <19>;
+ };
+
+ dma0_clk: dma0_clk {
+ #clock-cells = <0>;
+ reg = <20>;
+ };
+
+ dma1_clk: dma1_clk {
+ #clock-cells = <0>;
+ reg = <21>;
+ };
+
+ uhphs_clk: uhphs_clk {
+ #clock-cells = <0>;
+ reg = <22>;
+ };
+
+ udphs_clk: udphs_clk {
+ #clock-cells = <0>;
+ reg = <23>;
+ };
+
+ mci1_clk: mci1_clk {
+ #clock-cells = <0>;
+ reg = <26>;
+ };
+
+ ssc0_clk: ssc0_clk {
+ #clock-cells = <0>;
+ reg = <28>;
+ };
+ };
};
rstc@...ffe00 {
@@ -95,18 +378,47 @@
compatible = "atmel,at91sam9260-pit";
reg = <0xfffffe30 0xf>;
interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>;
+ clocks = <&mck>;
+ };
+
+ sckc@...ffe50 {
+ compatible = "atmel,at91sam9x5-sckc";
+ reg = <0xfffffe50 0x4>;
+
+ slow_osc: slow_osc {
+ compatible = "atmel,at91sam9x5-clk-slow-osc";
+ #clock-cells = <0>;
+ clocks = <&slow_xtal>;
+ };
+
+ slow_rc_osc: slow_rc_osc {
+ compatible = "atmel,at91sam9x5-clk-slow-rc-osc";
+ #clock-cells = <0>;
+ clock-frequency = <32768>;
+ clock-accuracy = <50000000>;
+ };
+
+ clk32k: slck {
+ compatible = "atmel,at91sam9x5-clk-slow";
+ #clock-cells = <0>;
+ clocks = <&slow_rc_osc>, <&slow_osc>;
+ };
};
tcb0: timer@...08000 {
compatible = "atmel,at91sam9x5-tcb";
reg = <0xf8008000 0x100>;
interrupts = <17 IRQ_TYPE_LEVEL_HIGH 0>;
+ clocks = <&tcb0_clk>;
+ clock-names = "t0_clk";
};
tcb1: timer@...0c000 {
compatible = "atmel,at91sam9x5-tcb";
reg = <0xf800c000 0x100>;
interrupts = <17 IRQ_TYPE_LEVEL_HIGH 0>;
+ clocks = <&tcb0_clk>;
+ clock-names = "t0_clk";
};
dma0: dma-controller@...fec00 {
@@ -114,6 +426,8 @@
reg = <0xffffec00 0x200>;
interrupts = <20 IRQ_TYPE_LEVEL_HIGH 0>;
#dma-cells = <2>;
+ clocks = <&dma0_clk>;
+ clock-names = "dma_clk";
};
dma1: dma-controller@...fee00 {
@@ -121,6 +435,8 @@
reg = <0xffffee00 0x200>;
interrupts = <21 IRQ_TYPE_LEVEL_HIGH 0>;
#dma-cells = <2>;
+ clocks = <&dma1_clk>;
+ clock-names = "dma_clk";
};
pinctrl@...ff400 {
@@ -453,6 +769,7 @@
gpio-controller;
interrupt-controller;
#interrupt-cells = <2>;
+ clocks = <&pioAB_clk>;
};
pioB: gpio@...ff600 {
@@ -464,6 +781,7 @@
#gpio-lines = <19>;
interrupt-controller;
#interrupt-cells = <2>;
+ clocks = <&pioAB_clk>;
};
pioC: gpio@...ff800 {
@@ -474,6 +792,7 @@
gpio-controller;
interrupt-controller;
#interrupt-cells = <2>;
+ clocks = <&pioCD_clk>;
};
pioD: gpio@...ffa00 {
@@ -485,6 +804,7 @@
#gpio-lines = <22>;
interrupt-controller;
#interrupt-cells = <2>;
+ clocks = <&pioCD_clk>;
};
};
@@ -497,6 +817,8 @@
dma-names = "tx", "rx";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_ssc0_tx &pinctrl_ssc0_rx>;
+ clocks = <&ssc0_clk>;
+ clock-names = "pclk";
status = "disabled";
};
@@ -507,6 +829,8 @@
dmas = <&dma0 1 AT91_DMA_CFG_PER_ID(0)>;
dma-names = "rxtx";
pinctrl-names = "default";
+ clocks = <&mci0_clk>;
+ clock-names = "mci_clk";
#address-cells = <1>;
#size-cells = <0>;
status = "disabled";
@@ -519,6 +843,8 @@
dmas = <&dma1 1 AT91_DMA_CFG_PER_ID(0)>;
dma-names = "rxtx";
pinctrl-names = "default";
+ clocks = <&mci1_clk>;
+ clock-names = "mci_clk";
#address-cells = <1>;
#size-cells = <0>;
status = "disabled";
@@ -530,6 +856,8 @@
interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_dbgu>;
+ clocks = <&mck>;
+ clock-names = "usart";
status = "disabled";
};
@@ -539,6 +867,8 @@
interrupts = <5 IRQ_TYPE_LEVEL_HIGH 5>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usart0>;
+ clocks = <&usart0_clk>;
+ clock-names = "usart";
status = "disabled";
};
@@ -548,6 +878,8 @@
interrupts = <6 IRQ_TYPE_LEVEL_HIGH 5>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usart1>;
+ clocks = <&usart1_clk>;
+ clock-names = "usart";
status = "disabled";
};
@@ -557,6 +889,8 @@
interrupts = <7 IRQ_TYPE_LEVEL_HIGH 5>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usart2>;
+ clocks = <&usart2_clk>;
+ clock-names = "usart";
status = "disabled";
};
@@ -571,6 +905,7 @@
#size-cells = <0>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c0>;
+ clocks = <&twi0_clk>;
status = "disabled";
};
@@ -585,6 +920,7 @@
#size-cells = <0>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c1>;
+ clocks = <&twi1_clk>;
status = "disabled";
};
@@ -599,6 +935,7 @@
#size-cells = <0>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c2>;
+ clocks = <&twi2_clk>;
status = "disabled";
};
@@ -608,6 +945,8 @@
interrupts = <15 IRQ_TYPE_LEVEL_HIGH 5>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_uart0>;
+ clocks = <&uart0_clk>;
+ clock-names = "usart";
status = "disabled";
};
@@ -617,6 +956,8 @@
interrupts = <16 IRQ_TYPE_LEVEL_HIGH 5>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_uart1>;
+ clocks = <&uart1_clk>;
+ clock-names = "usart";
status = "disabled";
};
@@ -626,6 +967,9 @@
compatible = "atmel,at91sam9260-adc";
reg = <0xf804c000 0x100>;
interrupts = <19 IRQ_TYPE_LEVEL_HIGH 0>;
+ clocks = <&adc_clk>,
+ <&adc_op_clk>;
+ clock-names = "adc_clk", "adc_op_clk";
atmel,adc-use-external-triggers;
atmel,adc-channels-used = <0xffff>;
atmel,adc-vref = <3300>;
@@ -673,6 +1017,8 @@
dma-names = "tx", "rx";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_spi0>;
+ clocks = <&spi0_clk>;
+ clock-names = "spi_clk";
status = "disabled";
};
@@ -687,6 +1033,8 @@
dma-names = "tx", "rx";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_spi1>;
+ clocks = <&spi1_clk>;
+ clock-names = "spi_clk";
status = "disabled";
};
@@ -805,6 +1153,9 @@
compatible = "atmel,at91rm9200-ohci", "usb-ohci";
reg = <0x00600000 0x100000>;
interrupts = <22 IRQ_TYPE_LEVEL_HIGH 2>;
+ clocks = <&usb>, <&uhphs_clk>, <&udphs_clk>,
+ <&uhpck>;
+ clock-names = "usb_clk", "ohci_clk", "hclk", "uhpck";
status = "disabled";
};
@@ -812,6 +1163,8 @@
compatible = "atmel,at91sam9g45-ehci", "usb-ehci";
reg = <0x00700000 0x100000>;
interrupts = <22 IRQ_TYPE_LEVEL_HIGH 2>;
+ clocks = <&usb>, <&uhphs_clk>, <&uhpck>;
+ clock-names = "usb_clk", "ehci_clk", "uhpck";
status = "disabled";
};
};
diff --git a/arch/arm/boot/dts/at91sam9x5_can.dtsi b/arch/arm/boot/dts/at91sam9x5_can.dtsi
new file mode 100644
index 0000000..f44ab77
--- /dev/null
+++ b/arch/arm/boot/dts/at91sam9x5_can.dtsi
@@ -0,0 +1,31 @@
+/*
+ * at91sam9x5_macb0.dtsi - Device Tree Include file for AT91SAM9x5 SoC with 1
+ * Ethernet interface.
+ *
+ * Copyright (C) 2013 Boris BREZILLON <b.brezillon@...rkiz.com>
+ *
+ * Licensed under GPLv2.
+ */
+
+#include <dt-bindings/pinctrl/at91.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+
+/ {
+ ahb {
+ apb {
+ pmc: pmc@...ffc00 {
+ periphck {
+ can0_clk: can0_clk {
+ #clock-cells = <0>;
+ reg = <29>;
+ };
+
+ can1_clk: can1_clk {
+ #clock-cells = <0>;
+ reg = <30>;
+ };
+ };
+ };
+ };
+ };
+};
diff --git a/arch/arm/boot/dts/at91sam9x5_isi.dtsi b/arch/arm/boot/dts/at91sam9x5_isi.dtsi
new file mode 100644
index 0000000..98bc877
--- /dev/null
+++ b/arch/arm/boot/dts/at91sam9x5_isi.dtsi
@@ -0,0 +1,26 @@
+/*
+ * at91sam9x5_isi.dtsi - Device Tree Include file for AT91SAM9x5 SoC with an
+ * Image Sensor Interface.
+ *
+ * Copyright (C) 2013 Boris BREZILLON <b.brezillon@...rkiz.com>
+ *
+ * Licensed under GPLv2.
+ */
+
+#include <dt-bindings/pinctrl/at91.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+
+/ {
+ ahb {
+ apb {
+ pmc: pmc@...ffc00 {
+ periphck {
+ isi_clk: isi_clk {
+ #clock-cells = <0>;
+ reg = <25>;
+ };
+ };
+ };
+ };
+ };
+};
diff --git a/arch/arm/boot/dts/at91sam9x5_lcd.dtsi b/arch/arm/boot/dts/at91sam9x5_lcd.dtsi
new file mode 100644
index 0000000..485302e
--- /dev/null
+++ b/arch/arm/boot/dts/at91sam9x5_lcd.dtsi
@@ -0,0 +1,26 @@
+/*
+ * at91sam9x5_lcd.dtsi - Device Tree Include file for AT91SAM9x5 SoC with an
+ * LCD controller.
+ *
+ * Copyright (C) 2013 Boris BREZILLON <b.brezillon@...rkiz.com>
+ *
+ * Licensed under GPLv2.
+ */
+
+#include <dt-bindings/pinctrl/at91.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+
+/ {
+ ahb {
+ apb {
+ pmc: pmc@...ffc00 {
+ periphck {
+ lcdc_clk: lcdc_clk {
+ #clock-cells = <0>;
+ reg = <25>;
+ };
+ };
+ };
+ };
+ };
+};
diff --git a/arch/arm/boot/dts/at91sam9x5_macb0.dtsi b/arch/arm/boot/dts/at91sam9x5_macb0.dtsi
index 55731ff..57e89d1 100644
--- a/arch/arm/boot/dts/at91sam9x5_macb0.dtsi
+++ b/arch/arm/boot/dts/at91sam9x5_macb0.dtsi
@@ -43,12 +43,23 @@
};
};
+ pmc: pmc@...ffc00 {
+ periphck {
+ macb0_clk: macb0_clk {
+ #clock-cells = <0>;
+ reg = <24>;
+ };
+ };
+ };
+
macb0: ethernet@...2c000 {
compatible = "cdns,at32ap7000-macb", "cdns,macb";
reg = <0xf802c000 0x100>;
interrupts = <24 IRQ_TYPE_LEVEL_HIGH 3>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_macb0_rmii>;
+ clocks = <&macb0_clk>, <&macb0_clk>;
+ clock-names = "hclk", "pclk";
status = "disabled";
};
};
diff --git a/arch/arm/boot/dts/at91sam9x5_macb1.dtsi b/arch/arm/boot/dts/at91sam9x5_macb1.dtsi
index 77425a6..663676c 100644
--- a/arch/arm/boot/dts/at91sam9x5_macb1.dtsi
+++ b/arch/arm/boot/dts/at91sam9x5_macb1.dtsi
@@ -31,12 +31,23 @@
};
};
+ pmc: pmc@...ffc00 {
+ periphck {
+ macb1_clk: macb1_clk {
+ #clock-cells = <0>;
+ reg = <27>;
+ };
+ };
+ };
+
macb1: ethernet@...30000 {
compatible = "cdns,at32ap7000-macb", "cdns,macb";
reg = <0xf8030000 0x100>;
interrupts = <27 IRQ_TYPE_LEVEL_HIGH 3>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_macb1_rmii>;
+ clocks = <&macb1_clk>, <&macb1_clk>;
+ clock-names = "hclk", "pclk";
status = "disabled";
};
};
diff --git a/arch/arm/boot/dts/at91sam9x5_usart3.dtsi b/arch/arm/boot/dts/at91sam9x5_usart3.dtsi
index 6801106..140217a5 100644
--- a/arch/arm/boot/dts/at91sam9x5_usart3.dtsi
+++ b/arch/arm/boot/dts/at91sam9x5_usart3.dtsi
@@ -42,12 +42,23 @@
};
};
+ pmc: pmc@...ffc00 {
+ periphck {
+ usart3_clk: usart3_clk {
+ #clock-cells = <0>;
+ reg = <8>;
+ };
+ };
+ };
+
usart3: serial@...28000 {
compatible = "atmel,at91sam9260-usart";
reg = <0xf8028000 0x200>;
interrupts = <8 IRQ_TYPE_LEVEL_HIGH 5>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usart3>;
+ clocks = <&usart3_clk>;
+ clock-names = "usart";
status = "disabled";
};
};
--
1.8.3.2
--
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