^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) Clock bindings for ST-Ericsson U300 System Controller Clocks
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) Bindings for the gated system controller clocks:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) Required properties:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) - compatible: must be "stericsson,u300-syscon-clk"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) - #clock-cells: must be <0>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) - clock-type: specifies the type of clock:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) 0 = slow clock
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) 1 = fast clock
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) 2 = rest/remaining clock
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) - clock-id: specifies the clock in the type range
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) Optional properties:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) - clocks: parent clock(s)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) The available clocks per type are as follows:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) Type: ID: Clock:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) -------------------
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 0 0 Slow peripheral bridge clock
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 0 1 UART0 clock
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 0 4 GPIO clock
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 0 6 RTC clock
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 0 7 Application timer clock
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 0 8 Access timer clock
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 1 0 Fast peripheral bridge clock
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 1 1 I2C bus 0 clock
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 1 2 I2C bus 1 clock
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 1 5 MMC interface peripheral (silicon) clock
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 1 6 SPI clock
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 2 3 CPU clock
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 2 4 DMA controller clock
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 2 5 External Memory Interface (EMIF) clock
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 2 6 NAND flask interface clock
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 2 8 XGAM graphics engine clock
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 2 9 Shared External Memory Interface (SEMI) clock
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 2 10 AHB Subsystem Bridge clock
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 2 12 Interrupt controller clock
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) Example:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) gpio_clk: gpio_clk@13M {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) #clock-cells = <0>;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) compatible = "stericsson,u300-syscon-clk";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) clock-type = <0>; /* Slow */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) clock-id = <4>;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) clocks = <&slow_clk>;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) gpio: gpio@c0016000 {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) compatible = "stericsson,gpio-coh901";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) (...)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) clocks = <&gpio_clk>;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) Bindings for the MMC/SD card clock:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) Required properties:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) - compatible: must be "stericsson,u300-syscon-mclk"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) - #clock-cells: must be <0>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) Optional properties:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) - clocks: parent clock(s)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) mmc_mclk: mmc_mclk {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) #clock-cells = <0>;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) compatible = "stericsson,u300-syscon-mclk";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) clocks = <&mmc_pclk>;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) mmcsd: mmcsd@c0001000 {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) compatible = "arm,pl18x", "arm,primecell";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) clocks = <&mmc_pclk>, <&mmc_mclk>;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) clock-names = "apb_pclk", "mclk";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) (...)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) };