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ARM: vexpress: Add config bus components and clocks to DTs
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Add description of all functions provided by Versatile Express
motherboard and daughterboards configuration controllers and
clock dependencies between devices.

Signed-off-by: Pawel Moll <pawel.moll@arm.com>
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Pawel Moll committed Nov 5, 2012
1 parent 88e0abc commit 842839a
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Showing 6 changed files with 749 additions and 4 deletions.
135 changes: 133 additions & 2 deletions arch/arm/boot/dts/vexpress-v2m-rs1.dtsi
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Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,7 @@

motherboard {
compatible = "simple-bus";
arm,vexpress,site = <0>;
arm,v2m-memory-map = "rs1";
#address-cells = <2>; /* SMB chipselect number and offset */
#size-cells = <1>;
Expand Down Expand Up @@ -72,14 +73,20 @@
#size-cells = <1>;
ranges = <0 3 0 0x200000>;

sysreg@010000 {
v2m_sysreg: sysreg@010000 {
compatible = "arm,vexpress-sysreg";
reg = <0x010000 0x1000>;
gpio-controller;
#gpio-cells = <2>;
};

sysctl@020000 {
v2m_sysctl: sysctl@020000 {
compatible = "arm,sp810", "arm,primecell";
reg = <0x020000 0x1000>;
clocks = <&v2m_refclk32khz>, <&v2m_refclk1mhz>, <&smbclk>;
clock-names = "refclk", "timclk", "apb_pclk";
#clock-cells = <1>;
clock-output-names = "timerclken0", "timerclken1", "timerclken2", "timerclken3";
};

/* PCI-E I2C bus */
Expand All @@ -100,66 +107,92 @@
compatible = "arm,pl041", "arm,primecell";
reg = <0x040000 0x1000>;
interrupts = <11>;
clocks = <&smbclk>;
clock-names = "apb_pclk";
};

mmci@050000 {
compatible = "arm,pl180", "arm,primecell";
reg = <0x050000 0x1000>;
interrupts = <9 10>;
cd-gpios = <&v2m_sysreg 0 0>;
wp-gpios = <&v2m_sysreg 1 0>;
max-frequency = <12000000>;
vmmc-supply = <&v2m_fixed_3v3>;
clocks = <&v2m_clk24mhz>, <&smbclk>;
clock-names = "mclk", "apb_pclk";
};

kmi@060000 {
compatible = "arm,pl050", "arm,primecell";
reg = <0x060000 0x1000>;
interrupts = <12>;
clocks = <&v2m_clk24mhz>, <&smbclk>;
clock-names = "KMIREFCLK", "apb_pclk";
};

kmi@070000 {
compatible = "arm,pl050", "arm,primecell";
reg = <0x070000 0x1000>;
interrupts = <13>;
clocks = <&v2m_clk24mhz>, <&smbclk>;
clock-names = "KMIREFCLK", "apb_pclk";
};

v2m_serial0: uart@090000 {
compatible = "arm,pl011", "arm,primecell";
reg = <0x090000 0x1000>;
interrupts = <5>;
clocks = <&v2m_oscclk2>, <&smbclk>;
clock-names = "uartclk", "apb_pclk";
};

v2m_serial1: uart@0a0000 {
compatible = "arm,pl011", "arm,primecell";
reg = <0x0a0000 0x1000>;
interrupts = <6>;
clocks = <&v2m_oscclk2>, <&smbclk>;
clock-names = "uartclk", "apb_pclk";
};

v2m_serial2: uart@0b0000 {
compatible = "arm,pl011", "arm,primecell";
reg = <0x0b0000 0x1000>;
interrupts = <7>;
clocks = <&v2m_oscclk2>, <&smbclk>;
clock-names = "uartclk", "apb_pclk";
};

v2m_serial3: uart@0c0000 {
compatible = "arm,pl011", "arm,primecell";
reg = <0x0c0000 0x1000>;
interrupts = <8>;
clocks = <&v2m_oscclk2>, <&smbclk>;
clock-names = "uartclk", "apb_pclk";
};

wdt@0f0000 {
compatible = "arm,sp805", "arm,primecell";
reg = <0x0f0000 0x1000>;
interrupts = <0>;
clocks = <&v2m_refclk32khz>, <&smbclk>;
clock-names = "wdogclk", "apb_pclk";
};

v2m_timer01: timer@110000 {
compatible = "arm,sp804", "arm,primecell";
reg = <0x110000 0x1000>;
interrupts = <2>;
clocks = <&v2m_sysctl 0>, <&v2m_sysctl 1>, <&smbclk>;
clock-names = "timclken1", "timclken2", "apb_pclk";
};

v2m_timer23: timer@120000 {
compatible = "arm,sp804", "arm,primecell";
reg = <0x120000 0x1000>;
interrupts = <3>;
clocks = <&v2m_sysctl 2>, <&v2m_sysctl 3>, <&smbclk>;
clock-names = "timclken1", "timclken2", "apb_pclk";
};

/* DVI I2C bus */
Expand All @@ -185,6 +218,8 @@
compatible = "arm,pl031", "arm,primecell";
reg = <0x170000 0x1000>;
interrupts = <4>;
clocks = <&smbclk>;
clock-names = "apb_pclk";
};

compact-flash@1a0000 {
Expand All @@ -198,6 +233,8 @@
compatible = "arm,pl111", "arm,primecell";
reg = <0x1f0000 0x1000>;
interrupts = <14>;
clocks = <&v2m_oscclk1>, <&smbclk>;
clock-names = "clcdclk", "apb_pclk";
};
};

Expand All @@ -208,5 +245,99 @@
regulator-max-microvolt = <3300000>;
regulator-always-on;
};

v2m_clk24mhz: clk24mhz {
compatible = "fixed-clock";
#clock-cells = <0>;
clock-frequency = <24000000>;
clock-output-names = "v2m:clk24mhz";
};

v2m_refclk1mhz: refclk1mhz {
compatible = "fixed-clock";
#clock-cells = <0>;
clock-frequency = <1000000>;
clock-output-names = "v2m:refclk1mhz";
};

v2m_refclk32khz: refclk32khz {
compatible = "fixed-clock";
#clock-cells = <0>;
clock-frequency = <32768>;
clock-output-names = "v2m:refclk32khz";
};

mcc {
compatible = "arm,vexpress,config-bus";
arm,vexpress,config-bridge = <&v2m_sysreg>;

osc@0 {
/* MCC static memory clock */
compatible = "arm,vexpress-osc";
arm,vexpress-sysreg,func = <1 0>;
freq-range = <25000000 60000000>;
#clock-cells = <0>;
clock-output-names = "v2m:oscclk0";
};

v2m_oscclk1: osc@1 {
/* CLCD clock */
compatible = "arm,vexpress-osc";
arm,vexpress-sysreg,func = <1 1>;
freq-range = <23750000 63500000>;
#clock-cells = <0>;
clock-output-names = "v2m:oscclk1";
};

v2m_oscclk2: osc@2 {
/* IO FPGA peripheral clock */
compatible = "arm,vexpress-osc";
arm,vexpress-sysreg,func = <1 2>;
freq-range = <24000000 24000000>;
#clock-cells = <0>;
clock-output-names = "v2m:oscclk2";
};

volt@0 {
/* Logic level voltage */
compatible = "arm,vexpress-volt";
arm,vexpress-sysreg,func = <2 0>;
regulator-name = "VIO";
regulator-always-on;
label = "VIO";
};

temp@0 {
/* MCC internal operating temperature */
compatible = "arm,vexpress-temp";
arm,vexpress-sysreg,func = <4 0>;
label = "MCC";
};

reset@0 {
compatible = "arm,vexpress-reset";
arm,vexpress-sysreg,func = <5 0>;
};

muxfpga@0 {
compatible = "arm,vexpress-muxfpga";
arm,vexpress-sysreg,func = <7 0>;
};

shutdown@0 {
compatible = "arm,vexpress-shutdown";
arm,vexpress-sysreg,func = <8 0>;
};

reboot@0 {
compatible = "arm,vexpress-reboot";
arm,vexpress-sysreg,func = <9 0>;
};

dvimode@0 {
compatible = "arm,vexpress-dvimode";
arm,vexpress-sysreg,func = <11 0>;
};
};
};
};
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