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From c7b29fd1b38b96426c553ddda13ebf7b8c823fd6 Mon Sep 17 00:00:00 2001
From: Alexandre Belloni <alexandre.belloni@bootlin.com>
Date: Thu, 13 Sep 2018 13:30:18 +0200
Subject: [PATCH 001/347] ARM: at91: add TCB registers definitions
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.246-rt110.tar.xz
Add registers and bits definitions for the timer counter blocks found on
Atmel ARM SoCs.
Tested-by: Alexander Dahl <ada@thorsis.com>
Tested-by: Andras Szemzo <szemzo.andras@gmail.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
---
include/soc/at91/atmel_tcb.h | 183 +++++++++++++++++++++++++++++++++++
1 file changed, 183 insertions(+)
create mode 100644 include/soc/at91/atmel_tcb.h
diff --git a/include/soc/at91/atmel_tcb.h b/include/soc/at91/atmel_tcb.h
new file mode 100644
index 000000000000..657e234b1483
--- /dev/null
+++ b/include/soc/at91/atmel_tcb.h
@@ -0,0 +1,183 @@
+//SPDX-License-Identifier: GPL-2.0
+/* Copyright (C) 2018 Microchip */
+
+#ifndef __SOC_ATMEL_TCB_H
+#define __SOC_ATMEL_TCB_H
+
+/* Channel registers */
+#define ATMEL_TC_COFFS(c) ((c) * 0x40)
+#define ATMEL_TC_CCR(c) ATMEL_TC_COFFS(c)
+#define ATMEL_TC_CMR(c) (ATMEL_TC_COFFS(c) + 0x4)
+#define ATMEL_TC_SMMR(c) (ATMEL_TC_COFFS(c) + 0x8)
+#define ATMEL_TC_RAB(c) (ATMEL_TC_COFFS(c) + 0xc)
+#define ATMEL_TC_CV(c) (ATMEL_TC_COFFS(c) + 0x10)
+#define ATMEL_TC_RA(c) (ATMEL_TC_COFFS(c) + 0x14)
+#define ATMEL_TC_RB(c) (ATMEL_TC_COFFS(c) + 0x18)
+#define ATMEL_TC_RC(c) (ATMEL_TC_COFFS(c) + 0x1c)
+#define ATMEL_TC_SR(c) (ATMEL_TC_COFFS(c) + 0x20)
+#define ATMEL_TC_IER(c) (ATMEL_TC_COFFS(c) + 0x24)
+#define ATMEL_TC_IDR(c) (ATMEL_TC_COFFS(c) + 0x28)
+#define ATMEL_TC_IMR(c) (ATMEL_TC_COFFS(c) + 0x2c)
+#define ATMEL_TC_EMR(c) (ATMEL_TC_COFFS(c) + 0x30)
+
+/* Block registers */
+#define ATMEL_TC_BCR 0xc0
+#define ATMEL_TC_BMR 0xc4
+#define ATMEL_TC_QIER 0xc8
+#define ATMEL_TC_QIDR 0xcc
+#define ATMEL_TC_QIMR 0xd0
+#define ATMEL_TC_QISR 0xd4
+#define ATMEL_TC_FMR 0xd8
+#define ATMEL_TC_WPMR 0xe4
+
+/* CCR fields */
+#define ATMEL_TC_CCR_CLKEN BIT(0)
+#define ATMEL_TC_CCR_CLKDIS BIT(1)
+#define ATMEL_TC_CCR_SWTRG BIT(2)
+
+/* Common CMR fields */
+#define ATMEL_TC_CMR_TCLKS_MSK GENMASK(2, 0)
+#define ATMEL_TC_CMR_TCLK(x) (x)
+#define ATMEL_TC_CMR_XC(x) ((x) + 5)
+#define ATMEL_TC_CMR_CLKI BIT(3)
+#define ATMEL_TC_CMR_BURST_MSK GENMASK(5, 4)
+#define ATMEL_TC_CMR_BURST_XC(x) (((x) + 1) << 4)
+#define ATMEL_TC_CMR_WAVE BIT(15)
+
+/* Capture mode CMR fields */
+#define ATMEL_TC_CMR_LDBSTOP BIT(6)
+#define ATMEL_TC_CMR_LDBDIS BIT(7)
+#define ATMEL_TC_CMR_ETRGEDG_MSK GENMASK(9, 8)
+#define ATMEL_TC_CMR_ETRGEDG_NONE (0 << 8)
+#define ATMEL_TC_CMR_ETRGEDG_RISING (1 << 8)
+#define ATMEL_TC_CMR_ETRGEDG_FALLING (2 << 8)
+#define ATMEL_TC_CMR_ETRGEDG_BOTH (3 << 8)
+#define ATMEL_TC_CMR_ABETRG BIT(10)
+#define ATMEL_TC_CMR_CPCTRG BIT(14)
+#define ATMEL_TC_CMR_LDRA_MSK GENMASK(17, 16)
+#define ATMEL_TC_CMR_LDRA_NONE (0 << 16)
+#define ATMEL_TC_CMR_LDRA_RISING (1 << 16)
+#define ATMEL_TC_CMR_LDRA_FALLING (2 << 16)
+#define ATMEL_TC_CMR_LDRA_BOTH (3 << 16)
+#define ATMEL_TC_CMR_LDRB_MSK GENMASK(19, 18)
+#define ATMEL_TC_CMR_LDRB_NONE (0 << 18)
+#define ATMEL_TC_CMR_LDRB_RISING (1 << 18)
+#define ATMEL_TC_CMR_LDRB_FALLING (2 << 18)
+#define ATMEL_TC_CMR_LDRB_BOTH (3 << 18)
+#define ATMEL_TC_CMR_SBSMPLR_MSK GENMASK(22, 20)
+#define ATMEL_TC_CMR_SBSMPLR(x) ((x) << 20)
+
+/* Waveform mode CMR fields */
+#define ATMEL_TC_CMR_CPCSTOP BIT(6)
+#define ATMEL_TC_CMR_CPCDIS BIT(7)
+#define ATMEL_TC_CMR_EEVTEDG_MSK GENMASK(9, 8)
+#define ATMEL_TC_CMR_EEVTEDG_NONE (0 << 8)
+#define ATMEL_TC_CMR_EEVTEDG_RISING (1 << 8)
+#define ATMEL_TC_CMR_EEVTEDG_FALLING (2 << 8)
+#define ATMEL_TC_CMR_EEVTEDG_BOTH (3 << 8)
+#define ATMEL_TC_CMR_EEVT_MSK GENMASK(11, 10)
+#define ATMEL_TC_CMR_EEVT_XC(x) (((x) + 1) << 10)
+#define ATMEL_TC_CMR_ENETRG BIT(12)
+#define ATMEL_TC_CMR_WAVESEL_MSK GENMASK(14, 13)
+#define ATMEL_TC_CMR_WAVESEL_UP (0 << 13)
+#define ATMEL_TC_CMR_WAVESEL_UPDOWN (1 << 13)
+#define ATMEL_TC_CMR_WAVESEL_UPRC (2 << 13)
+#define ATMEL_TC_CMR_WAVESEL_UPDOWNRC (3 << 13)
+#define ATMEL_TC_CMR_ACPA_MSK GENMASK(17, 16)
+#define ATMEL_TC_CMR_ACPA(a) (ATMEL_TC_CMR_ACTION_##a << 16)
+#define ATMEL_TC_CMR_ACPC_MSK GENMASK(19, 18)
+#define ATMEL_TC_CMR_ACPC(a) (ATMEL_TC_CMR_ACTION_##a << 18)
+#define ATMEL_TC_CMR_AEEVT_MSK GENMASK(21, 20)
+#define ATMEL_TC_CMR_AEEVT(a) (ATMEL_TC_CMR_ACTION_##a << 20)
+#define ATMEL_TC_CMR_ASWTRG_MSK GENMASK(23, 22)
+#define ATMEL_TC_CMR_ASWTRG(a) (ATMEL_TC_CMR_ACTION_##a << 22)
+#define ATMEL_TC_CMR_BCPB_MSK GENMASK(25, 24)
+#define ATMEL_TC_CMR_BCPB(a) (ATMEL_TC_CMR_ACTION_##a << 24)
+#define ATMEL_TC_CMR_BCPC_MSK GENMASK(27, 26)
+#define ATMEL_TC_CMR_BCPC(a) (ATMEL_TC_CMR_ACTION_##a << 26)
+#define ATMEL_TC_CMR_BEEVT_MSK GENMASK(29, 28)
+#define ATMEL_TC_CMR_BEEVT(a) (ATMEL_TC_CMR_ACTION_##a << 28)
+#define ATMEL_TC_CMR_BSWTRG_MSK GENMASK(31, 30)
+#define ATMEL_TC_CMR_BSWTRG(a) (ATMEL_TC_CMR_ACTION_##a << 30)
+#define ATMEL_TC_CMR_ACTION_NONE 0
+#define ATMEL_TC_CMR_ACTION_SET 1
+#define ATMEL_TC_CMR_ACTION_CLEAR 2
+#define ATMEL_TC_CMR_ACTION_TOGGLE 3
+
+/* SMMR fields */
+#define ATMEL_TC_SMMR_GCEN BIT(0)
+#define ATMEL_TC_SMMR_DOWN BIT(1)
+
+/* SR/IER/IDR/IMR fields */
+#define ATMEL_TC_COVFS BIT(0)
+#define ATMEL_TC_LOVRS BIT(1)
+#define ATMEL_TC_CPAS BIT(2)
+#define ATMEL_TC_CPBS BIT(3)
+#define ATMEL_TC_CPCS BIT(4)
+#define ATMEL_TC_LDRAS BIT(5)
+#define ATMEL_TC_LDRBS BIT(6)
+#define ATMEL_TC_ETRGS BIT(7)
+#define ATMEL_TC_CLKSTA BIT(16)
+#define ATMEL_TC_MTIOA BIT(17)
+#define ATMEL_TC_MTIOB BIT(18)
+
+/* EMR fields */
+#define ATMEL_TC_EMR_TRIGSRCA_MSK GENMASK(1, 0)
+#define ATMEL_TC_EMR_TRIGSRCA_TIOA 0
+#define ATMEL_TC_EMR_TRIGSRCA_PWMX 1
+#define ATMEL_TC_EMR_TRIGSRCB_MSK GENMASK(5, 4)
+#define ATMEL_TC_EMR_TRIGSRCB_TIOB (0 << 4)
+#define ATMEL_TC_EMR_TRIGSRCB_PWM (1 << 4)
+#define ATMEL_TC_EMR_NOCLKDIV BIT(8)
+
+/* BCR fields */
+#define ATMEL_TC_BCR_SYNC BIT(0)
+
+/* BMR fields */
+#define ATMEL_TC_BMR_TCXC_MSK(c) GENMASK(((c) * 2) + 1, (c) * 2)
+#define ATMEL_TC_BMR_TCXC(x, c) ((x) << (2 * (c)))
+#define ATMEL_TC_BMR_QDEN BIT(8)
+#define ATMEL_TC_BMR_POSEN BIT(9)
+#define ATMEL_TC_BMR_SPEEDEN BIT(10)
+#define ATMEL_TC_BMR_QDTRANS BIT(11)
+#define ATMEL_TC_BMR_EDGPHA BIT(12)
+#define ATMEL_TC_BMR_INVA BIT(13)
+#define ATMEL_TC_BMR_INVB BIT(14)
+#define ATMEL_TC_BMR_INVIDX BIT(15)
+#define ATMEL_TC_BMR_SWAP BIT(16)
+#define ATMEL_TC_BMR_IDXPHB BIT(17)
+#define ATMEL_TC_BMR_AUTOC BIT(18)
+#define ATMEL_TC_MAXFILT_MSK GENMASK(25, 20)
+#define ATMEL_TC_MAXFILT(x) (((x) - 1) << 20)
+#define ATMEL_TC_MAXCMP_MSK GENMASK(29, 26)
+#define ATMEL_TC_MAXCMP(x) ((x) << 26)
+
+/* QEDC fields */
+#define ATMEL_TC_QEDC_IDX BIT(0)
+#define ATMEL_TC_QEDC_DIRCHG BIT(1)
+#define ATMEL_TC_QEDC_QERR BIT(2)
+#define ATMEL_TC_QEDC_MPE BIT(3)
+#define ATMEL_TC_QEDC_DIR BIT(8)
+
+/* FMR fields */
+#define ATMEL_TC_FMR_ENCF(x) BIT(x)
+
+/* WPMR fields */
+#define ATMEL_TC_WPMR_WPKEY (0x54494d << 8)
+#define ATMEL_TC_WPMR_WPEN BIT(0)
+
+static const u8 atmel_tc_divisors[5] = { 2, 8, 32, 128, 0, };
+
+static const struct of_device_id atmel_tcb_dt_ids[] = {
+ {
+ .compatible = "atmel,at91rm9200-tcb",
+ .data = (void *)16,
+ }, {
+ .compatible = "atmel,at91sam9x5-tcb",
+ .data = (void *)32,
+ }, {
+ /* sentinel */
+ }
+};
+
+#endif /* __SOC_ATMEL_TCB_H */
--
2.36.1
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