ARM: at91/dt: define sam9n12 clocks

Define sam9n12 clocks and make use of them in peripheral definitions.

Signed-off-by: Boris BREZILLON <boris.brezillon@free-electrons.com>
Tested-by: Bo Shen <voice.shen@atmel.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>

1 files changed, 346 insertions, 2 deletions

diff --git a/arch/arm/boot/dts/at91sam9n12.dtsi b/arch/arm/boot/dts/at91sam9n12.dtsi
index 9f04808fc697..d1b82e6635d5 100644
--- a/arch/arm/boot/dts/at91sam9n12.dtsi
+++ b/arch/arm/boot/dts/at91sam9n12.dtsi
@@ -12,6 +12,7 @@
 #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 AT91SAM9N12 SoC";
@@ -49,6 +50,18 @@
                 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>;
+        };
+
         ahb {
                 compatible = "simple-bus";
                 #address-cells = <1>;
@@ -75,8 +88,280 @@
                         };
 
                         pmc: pmc@fffffc00 {
-                                compatible = "atmel,at91rm9200-pmc";
-                                reg = <0xfffffc00 0x100>;
+                                compatible = "atmel,at91sam9n12-pmc";
+                                reg = <0xfffffc00 0x200>;
+                                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,at91rm9200-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>;
+                                };
+
+                                pllb: pllbck {
+                                        compatible = "atmel,at91rm9200-clk-pll";
+                                        #clock-cells = <0>;
+                                        interrupts-extended = <&pmc AT91_PMC_LOCKB>;
+                                        clocks = <&main>;
+                                        reg = <1>;
+                                        atmel,clk-input-range = <2000000 32000000>;
+                                        #atmel,pll-clk-output-range-cells = <3>;
+                                        atmel,pll-clk-output-ranges = <30000000 100000000 0>;
+                                };
+
+                                mck: masterck {
+                                        compatible = "atmel,at91sam9x5-clk-master";
+                                        #clock-cells = <0>;
+                                        interrupts-extended = <&pmc AT91_PMC_MCKRDY>;
+                                        clocks = <&clk32k>, <&main>, <&plladiv>, <&pllb>;
+                                        atmel,clk-output-range = <0 133333333>;
+                                        atmel,clk-divisors = <1 2 4 3>;
+                                        atmel,master-clk-have-div3-pres;
+                                };
+
+                                usb: usbck {
+                                        compatible = "atmel,at91sam9n12-clk-usb";
+                                        #clock-cells = <0>;
+                                        clocks = <&pllb>;
+                                };
+
+                                prog: progck {
+                                        compatible = "atmel,at91sam9x5-clk-programmable";
+                                        #address-cells = <1>;
+                                        #size-cells = <0>;
+                                        interrupt-parent = <&pmc>;
+                                        clocks = <&clk32k>, <&main>, <&plladiv>, <&pllb>, <&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)>;
+                                        };
+                                };
+
+                                systemck {
+                                        compatible = "atmel,at91rm9200-clk-system";
+                                        #address-cells = <1>;
+                                        #size-cells = <0>;
+
+                                        ddrck: ddrck {
+                                                #clock-cells = <0>;
+                                                reg = <2>;
+                                                clocks = <&mck>;
+                                        };
+
+                                        lcdck: lcdck {
+                                                #clock-cells = <0>;
+                                                reg = <3>;
+                                                clocks = <&mck>;
+                                        };
+
+                                        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>;
+                                        };
+
+                                        fuse_clk: fuse_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>;
+                                        };
+
+                                        usart3_clk: usart3_clk {
+                                                #clock-cells = <0>;
+                                                reg = <8>;
+                                        };
+
+                                        twi0_clk: twi0_clk {
+                                                reg = <9>;
+                                                #clock-cells = <0>;
+                                        };
+
+                                        twi1_clk: twi1_clk {
+                                                #clock-cells = <0>;
+                                                reg = <10>;
+                                        };
+
+                                        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>;
+                                        };
+
+                                        tcb_clk: tcb_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>;
+                                        };
+
+                                        uhphs_clk: uhphs_clk {
+                                                #clock-cells = <0>;
+                                                reg = <22>;
+                                        };
+
+                                        udphs_clk: udphs_clk {
+                                                #clock-cells = <0>;
+                                                reg = <23>;
+                                        };
+
+                                        lcdc_clk: lcdc_clk {
+                                                #clock-cells = <0>;
+                                                reg = <25>;
+                                        };
+
+                                        sha_clk: sha_clk {
+                                                #clock-cells = <0>;
+                                                reg = <27>;
+                                        };
+
+                                        ssc0_clk: ssc0_clk {
+                                                #clock-cells = <0>;
+                                                reg = <28>;
+                                        };
+
+                                        aes_clk: aes_clk {
+                                                #clock-cells = <0>;
+                                                reg = <29>;
+                                        };
+
+                                        trng_clk: trng_clk {
+                                                #clock-cells = <0>;
+                                                reg = <30>;
+                                        };
+                                };
                         };
 
                         rstc@fffffe00 {
@@ -88,6 +373,7 @@
                                 compatible = "atmel,at91sam9260-pit";
                                 reg = <0xfffffe30 0xf>;
                                 interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>;
+                                clocks = <&mck>;
                         };
 
                         shdwc@fffffe10 {
@@ -95,12 +381,38 @@
                                 reg = <0xfffffe10 0x10>;
                         };
 
+                        sckc@fffffe50 {
+                                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>;
+                                };
+                        };
+
                         mmc0: mmc@f0008000 {
                                 compatible = "atmel,hsmci";
                                 reg = <0xf0008000 0x600>;
                                 interrupts = <12 IRQ_TYPE_LEVEL_HIGH 0>;
                                 dmas = <&dma 1 AT91_DMA_CFG_PER_ID(0)>;
                                 dma-names = "rxtx";
+                                clocks = <&mci0_clk>;
+                                clock-names = "mci_clk";
                                 #address-cells = <1>;
                                 #size-cells = <0>;
                                 status = "disabled";
@@ -110,12 +422,16 @@
                                 compatible = "atmel,at91sam9x5-tcb";
                                 reg = <0xf8008000 0x100>;
                                 interrupts = <17 IRQ_TYPE_LEVEL_HIGH 0>;
+                                clocks = <&tcb_clk>;
+                                clock-names = "t0_clk";
                         };
 
                         tcb1: timer@f800c000 {
                                 compatible = "atmel,at91sam9x5-tcb";
                                 reg = <0xf800c000 0x100>;
                                 interrupts = <17 IRQ_TYPE_LEVEL_HIGH 0>;
+                                clocks = <&tcb_clk>;
+                                clock-names = "t0_clk";
                         };
 
                         dma: dma-controller@ffffec00 {
@@ -123,6 +439,8 @@
                                 reg = <0xffffec00 0x200>;
                                 interrupts = <20 IRQ_TYPE_LEVEL_HIGH 0>;
                                 #dma-cells = <2>;
+                                clocks = <&dma0_clk>;
+                                clock-names = "dma_clk";
                         };
 
                         pinctrl@fffff400 {
@@ -392,6 +710,7 @@
                                         gpio-controller;
                                         interrupt-controller;
                                         #interrupt-cells = <2>;
+                                        clocks = <&pioAB_clk>;
                                 };
 
                                 pioB: gpio@fffff600 {
@@ -402,6 +721,7 @@
                                         gpio-controller;
                                         interrupt-controller;
                                         #interrupt-cells = <2>;
+                                        clocks = <&pioAB_clk>;
                                 };
 
                                 pioC: gpio@fffff800 {
@@ -412,6 +732,7 @@
                                         gpio-controller;
                                         interrupt-controller;
                                         #interrupt-cells = <2>;
+                                        clocks = <&pioCD_clk>;
                                 };
 
                                 pioD: gpio@fffffa00 {
@@ -422,6 +743,7 @@
                                         gpio-controller;
                                         interrupt-controller;
                                         #interrupt-cells = <2>;
+                                        clocks = <&pioCD_clk>;
                                 };
                         };
 
@@ -431,6 +753,8 @@
                                 interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>;
                                 pinctrl-names = "default";
                                 pinctrl-0 = <&pinctrl_dbgu>;
+                                clocks = <&mck>;
+                                clock-names = "usart";
                                 status = "disabled";
                         };
 
@@ -443,6 +767,8 @@
                                 dma-names = "tx", "rx";
                                 pinctrl-names = "default";
                                 pinctrl-0 = <&pinctrl_ssc0_tx &pinctrl_ssc0_rx>;
+                                clocks = <&ssc0_clk>;
+                                clock-names = "pclk";
                                 status = "disabled";
                         };
 
@@ -452,6 +778,8 @@
                                 interrupts = <5 IRQ_TYPE_LEVEL_HIGH 5>;
                                 pinctrl-names = "default";
                                 pinctrl-0 = <&pinctrl_usart0>;
+                                clocks = <&usart0_clk>;
+                                clock-names = "usart";
                                 status = "disabled";
                         };
 
@@ -461,6 +789,8 @@
                                 interrupts = <6 IRQ_TYPE_LEVEL_HIGH 5>;
                                 pinctrl-names = "default";
                                 pinctrl-0 = <&pinctrl_usart1>;
+                                clocks = <&usart1_clk>;
+                                clock-names = "usart";
                                 status = "disabled";
                         };
 
@@ -470,6 +800,8 @@
                                 interrupts = <7 IRQ_TYPE_LEVEL_HIGH 5>;
                                 pinctrl-names = "default";
                                 pinctrl-0 = <&pinctrl_usart2>;
+                                clocks = <&usart2_clk>;
+                                clock-names = "usart";
                                 status = "disabled";
                         };
 
@@ -479,6 +811,8 @@
                                 interrupts = <8 IRQ_TYPE_LEVEL_HIGH 5>;
                                 pinctrl-names = "default";
                                 pinctrl-0 = <&pinctrl_usart3>;
+                                clocks = <&usart3_clk>;
+                                clock-names = "usart";
                                 status = "disabled";
                         };
 
@@ -493,6 +827,7 @@
                                 #size-cells = <0>;
                                 pinctrl-names = "default";
                                 pinctrl-0 = <&pinctrl_i2c0>;
+                                clocks = <&twi0_clk>;
                                 status = "disabled";
                         };
 
@@ -507,6 +842,7 @@
                                 #size-cells = <0>;
                                 pinctrl-names = "default";
                                 pinctrl-0 = <&pinctrl_i2c1>;
+                                clocks = <&twi1_clk>;
                                 status = "disabled";
                         };
 
@@ -521,6 +857,8 @@
                                 dma-names = "tx", "rx";
                                 pinctrl-names = "default";
                                 pinctrl-0 = <&pinctrl_spi0>;
+                                clocks = <&spi0_clk>;
+                                clock-names = "spi_clk";
                                 status = "disabled";
                         };
 
@@ -535,6 +873,8 @@
                                 dma-names = "tx", "rx";
                                 pinctrl-names = "default";
                                 pinctrl-0 = <&pinctrl_spi1>;
+                                clocks = <&spi1_clk>;
+                                clock-names = "spi_clk";
                                 status = "disabled";
                         };
 
@@ -554,6 +894,7 @@
                                 reg = <0xf8034000 0x300>;
                                 interrupts = <18 IRQ_TYPE_LEVEL_HIGH 4>;
                                 #pwm-cells = <3>;
+                                clocks = <&pwm_clk>;
                                 status = "disabled";
                         };
                 };
@@ -584,6 +925,9 @@
                         compatible = "atmel,at91rm9200-ohci", "usb-ohci";
                         reg = <0x00500000 0x00100000>;
                         interrupts = <22 IRQ_TYPE_LEVEL_HIGH 2>;
+                        clocks = <&usb>, <&uhphs_clk>, <&udphs_clk>,
+                                 <&uhpck>;
+                        clock-names = "usb_clk", "ohci_clk", "hclk", "uhpck";
                         status = "disabled";
                 };
         };