CLK: Add binding document for Pistachio clock controllers
Add a device-tree binding document describing the four clock
controllers present on the IMG Pistachio SoC.
Signed-off-by: Damien Horsley <Damien.Horsley@imgtec.com>
Signed-off-by: Andrew Bresticker <abrestic@chromium.org>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Ian Campbell <ijc+devicetree@hellion.org.uk>
Cc: Kumar Gala <galak@codeaurora.org>
Cc: Mike Turquette <mturquette@linaro.org>
Cc: Stephen Boyd <sboyd@codeaurora.org>
Cc: devicetree@vger.kernel.org
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Cc: Andrew Bresticker <abrestic@chromium.org>
Cc: Ezequiel Garcia <ezequiel.garcia@imgtec.com>
Cc: James Hartley <james.hartley@imgtec.com>
Cc: James Hogan <james.hogan@imgtec.com>
Cc: Damien Horsley <Damien.Horsley@imgtec.com>
Acked-by: Stephen Boyd <sboyd@codeaurora.org>
Patchwork: https://patchwork.linux-mips.org/patch/9319/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/include/dt-bindings/clock/pistachio-clk.h b/include/dt-bindings/clock/pistachio-clk.h
new file mode 100644
index 0000000..039f83f
--- /dev/null
+++ b/include/dt-bindings/clock/pistachio-clk.h
@@ -0,0 +1,183 @@
+/*
+ * Copyright (C) 2014 Google, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ */
+
+#ifndef _DT_BINDINGS_CLOCK_PISTACHIO_H
+#define _DT_BINDINGS_CLOCK_PISTACHIO_H
+
+/* PLLs */
+#define CLK_MIPS_PLL 0
+#define CLK_AUDIO_PLL 1
+#define CLK_RPU_V_PLL 2
+#define CLK_RPU_L_PLL 3
+#define CLK_SYS_PLL 4
+#define CLK_WIFI_PLL 5
+#define CLK_BT_PLL 6
+
+/* Fixed-factor clocks */
+#define CLK_WIFI_DIV4 16
+#define CLK_WIFI_DIV8 17
+
+/* Gate clocks */
+#define CLK_MIPS 32
+#define CLK_AUDIO_IN 33
+#define CLK_AUDIO 34
+#define CLK_I2S 35
+#define CLK_SPDIF 36
+#define CLK_AUDIO_DAC 37
+#define CLK_RPU_V 38
+#define CLK_RPU_L 39
+#define CLK_RPU_SLEEP 40
+#define CLK_WIFI_PLL_GATE 41
+#define CLK_RPU_CORE 42
+#define CLK_WIFI_ADC 43
+#define CLK_WIFI_DAC 44
+#define CLK_USB_PHY 45
+#define CLK_ENET_IN 46
+#define CLK_ENET 47
+#define CLK_UART0 48
+#define CLK_UART1 49
+#define CLK_PERIPH_SYS 50
+#define CLK_SPI0 51
+#define CLK_SPI1 52
+#define CLK_EVENT_TIMER 53
+#define CLK_AUX_ADC_INTERNAL 54
+#define CLK_AUX_ADC 55
+#define CLK_SD_HOST 56
+#define CLK_BT 57
+#define CLK_BT_DIV4 58
+#define CLK_BT_DIV8 59
+#define CLK_BT_1MHZ 60
+
+/* Divider clocks */
+#define CLK_MIPS_INTERNAL_DIV 64
+#define CLK_MIPS_DIV 65
+#define CLK_AUDIO_DIV 66
+#define CLK_I2S_DIV 67
+#define CLK_SPDIF_DIV 68
+#define CLK_AUDIO_DAC_DIV 69
+#define CLK_RPU_V_DIV 70
+#define CLK_RPU_L_DIV 71
+#define CLK_RPU_SLEEP_DIV 72
+#define CLK_RPU_CORE_DIV 73
+#define CLK_USB_PHY_DIV 74
+#define CLK_ENET_DIV 75
+#define CLK_UART0_INTERNAL_DIV 76
+#define CLK_UART0_DIV 77
+#define CLK_UART1_INTERNAL_DIV 78
+#define CLK_UART1_DIV 79
+#define CLK_SYS_INTERNAL_DIV 80
+#define CLK_SPI0_INTERNAL_DIV 81
+#define CLK_SPI0_DIV 82
+#define CLK_SPI1_INTERNAL_DIV 83
+#define CLK_SPI1_DIV 84
+#define CLK_EVENT_TIMER_INTERNAL_DIV 85
+#define CLK_EVENT_TIMER_DIV 86
+#define CLK_AUX_ADC_INTERNAL_DIV 87
+#define CLK_AUX_ADC_DIV 88
+#define CLK_SD_HOST_DIV 89
+#define CLK_BT_DIV 90
+#define CLK_BT_DIV4_DIV 91
+#define CLK_BT_DIV8_DIV 92
+#define CLK_BT_1MHZ_INTERNAL_DIV 93
+#define CLK_BT_1MHZ_DIV 94
+
+/* Mux clocks */
+#define CLK_AUDIO_REF_MUX 96
+#define CLK_MIPS_PLL_MUX 97
+#define CLK_AUDIO_PLL_MUX 98
+#define CLK_AUDIO_MUX 99
+#define CLK_RPU_V_PLL_MUX 100
+#define CLK_RPU_L_PLL_MUX 101
+#define CLK_RPU_L_MUX 102
+#define CLK_WIFI_PLL_MUX 103
+#define CLK_WIFI_DIV4_MUX 104
+#define CLK_WIFI_DIV8_MUX 105
+#define CLK_RPU_CORE_MUX 106
+#define CLK_SYS_PLL_MUX 107
+#define CLK_ENET_MUX 108
+#define CLK_EVENT_TIMER_MUX 109
+#define CLK_SD_HOST_MUX 110
+#define CLK_BT_PLL_MUX 111
+#define CLK_DEBUG_MUX 112
+
+#define CLK_NR_CLKS 113
+
+/* Peripheral gate clocks */
+#define PERIPH_CLK_SYS 0
+#define PERIPH_CLK_SYS_BUS 1
+#define PERIPH_CLK_DDR 2
+#define PERIPH_CLK_ROM 3
+#define PERIPH_CLK_COUNTER_FAST 4
+#define PERIPH_CLK_COUNTER_SLOW 5
+#define PERIPH_CLK_IR 6
+#define PERIPH_CLK_WD 7
+#define PERIPH_CLK_PDM 8
+#define PERIPH_CLK_PWM 9
+#define PERIPH_CLK_I2C0 10
+#define PERIPH_CLK_I2C1 11
+#define PERIPH_CLK_I2C2 12
+#define PERIPH_CLK_I2C3 13
+
+/* Peripheral divider clocks */
+#define PERIPH_CLK_ROM_DIV 32
+#define PERIPH_CLK_COUNTER_FAST_DIV 33
+#define PERIPH_CLK_COUNTER_SLOW_PRE_DIV 34
+#define PERIPH_CLK_COUNTER_SLOW_DIV 35
+#define PERIPH_CLK_IR_PRE_DIV 36
+#define PERIPH_CLK_IR_DIV 37
+#define PERIPH_CLK_WD_PRE_DIV 38
+#define PERIPH_CLK_WD_DIV 39
+#define PERIPH_CLK_PDM_PRE_DIV 40
+#define PERIPH_CLK_PDM_DIV 41
+#define PERIPH_CLK_PWM_PRE_DIV 42
+#define PERIPH_CLK_PWM_DIV 43
+#define PERIPH_CLK_I2C0_PRE_DIV 44
+#define PERIPH_CLK_I2C0_DIV 45
+#define PERIPH_CLK_I2C1_PRE_DIV 46
+#define PERIPH_CLK_I2C1_DIV 47
+#define PERIPH_CLK_I2C2_PRE_DIV 48
+#define PERIPH_CLK_I2C2_DIV 49
+#define PERIPH_CLK_I2C3_PRE_DIV 50
+#define PERIPH_CLK_I2C3_DIV 51
+
+#define PERIPH_CLK_NR_CLKS 52
+
+/* System gate clocks */
+#define SYS_CLK_I2C0 0
+#define SYS_CLK_I2C1 1
+#define SYS_CLK_I2C2 2
+#define SYS_CLK_I2C3 3
+#define SYS_CLK_I2S_IN 4
+#define SYS_CLK_PAUD_OUT 5
+#define SYS_CLK_SPDIF_OUT 6
+#define SYS_CLK_SPI0_MASTER 7
+#define SYS_CLK_SPI0_SLAVE 8
+#define SYS_CLK_PWM 9
+#define SYS_CLK_UART0 10
+#define SYS_CLK_UART1 11
+#define SYS_CLK_SPI1 12
+#define SYS_CLK_MDC 13
+#define SYS_CLK_SD_HOST 14
+#define SYS_CLK_ENET 15
+#define SYS_CLK_IR 16
+#define SYS_CLK_WD 17
+#define SYS_CLK_TIMER 18
+#define SYS_CLK_I2S_OUT 24
+#define SYS_CLK_SPDIF_IN 25
+#define SYS_CLK_EVENT_TIMER 26
+#define SYS_CLK_HASH 27
+
+#define SYS_CLK_NR_CLKS 28
+
+/* Gates for external input clocks */
+#define EXT_CLK_AUDIO_IN 0
+#define EXT_CLK_ENET_IN 1
+
+#define EXT_CLK_NR_CLKS 2
+
+#endif /* _DT_BINDINGS_CLOCK_PISTACHIO_H */