[PATCH v3] ARM: SPEAr600: Add device-tree support to SPEAr600 boards
Viresh Kumar
viresh.kumar at st.com
Thu Mar 15 22:03:29 EST 2012
On 3/15/2012 4:20 PM, Stefan Roese wrote:
> diff --git a/arch/arm/boot/dts/spear600.dtsi b/arch/arm/boot/dts/spear600.dtsi
> +/ {
> + compatible = "st,spear600";
> +
> + cpus {
> + cpu at 0 {
> + compatible = "arm,arm926ejs";
> + };
> + };
> +
> + memory {
> + device_type = "memory";
> + reg = <0 0x40000000>; /* Real value updated by U-Boot */
> + };
> +
> + ahb {
What is the significance of this name? As i see gpio/spi etc in this list,
which are on apb bus.
> + #address-cells = <1>;
> + #size-cells = <1>;
> + compatible = "simple-bus";
> + ranges;
> +
> + /* local/cpu GPIO */
> + gpio0: gpio at f0100000 {
> + #gpio-cells = <2>;
> + compatible = "arm,pl061", "arm,primecell";
> + gpio-controller;
> + reg = <0xf0100000 0x1000>;
> + interrupt-parent = <&vic0>;
> + interrupts = <18>;
> + };
> +
> + /* basic GPIO */
> + gpio1: gpio at fc980000 {
> + #gpio-cells = <2>;
> + compatible = "arm,pl061", "arm,primecell";
> + gpio-controller;
> + reg = <0xfc980000 0x1000>;
> + interrupt-parent = <&vic1>;
> + interrupts = <19>;
> + };
> +
> + /* appl GPIO */
> + gpio2: gpio at d8100000 {
> + #gpio-cells = <2>;
> + compatible = "arm,pl061", "arm,primecell";
> + gpio-controller;
> + reg = <0xd8100000 0x1000>;
> + interrupt-parent = <&vic1>;
> + interrupts = <4>;
> + };
> +
> +};
> diff --git a/arch/arm/mach-spear6xx/clock.c b/arch/arm/mach-spear6xx/clock.c
> index ac70e0d..358f280 100644
> --- a/arch/arm/mach-spear6xx/clock.c
> +++ b/arch/arm/mach-spear6xx/clock.c
> @@ -641,8 +641,8 @@ static struct clk_lookup spear_clk_lookups[] = {
> { .con_id = "gpt0_synth_clk", .clk = &gpt0_synth_clk},
> { .con_id = "gpt2_synth_clk", .clk = &gpt2_synth_clk},
> { .con_id = "gpt3_synth_clk", .clk = &gpt3_synth_clk},
> - { .dev_id = "uart0", .clk = &uart0_clk},
> - { .dev_id = "uart1", .clk = &uart1_clk},
> + { .dev_id = "d0000000.serial", .clk = &uart0_clk},
> + { .dev_id = "d0080000.serial", .clk = &uart1_clk},
I didn't got Jean's comment at that time, but now it is ultra clear.
Acked-by: Viresh Kumar <viresh.kumar at st.com>
--
viresh
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