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Date: Sun, 22 May 2022 18:50:38 +0300
From: Tomer Maimon <tmaimon77@...il.com>
To: avifishman70@...il.com, tali.perry1@...il.com, joel@....id.au,
venture@...gle.com, yuenn@...gle.com, benjaminfair@...gle.com,
robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
mturquette@...libre.com, sboyd@...nel.org, p.zabel@...gutronix.de,
gregkh@...uxfoundation.org, daniel.lezcano@...aro.org,
tglx@...utronix.de, wim@...ux-watchdog.org, linux@...ck-us.net,
catalin.marinas@....com, will@...nel.org, arnd@...db.de,
olof@...om.net, jirislaby@...nel.org, shawnguo@...nel.org,
bjorn.andersson@...aro.org, geert+renesas@...der.be,
marcel.ziswiler@...adex.com, vkoul@...nel.org,
biju.das.jz@...renesas.com, nobuhiro1.iwamatsu@...hiba.co.jp,
robert.hancock@...ian.com, j.neuschaefer@....net, lkundrak@...sk
Cc: soc@...nel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org,
linux-serial@...r.kernel.org, linux-watchdog@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org,
Tomer Maimon <tmaimon77@...il.com>
Subject: [PATCH v1 11/19] dt-bindings: reset: npcm: Add support for NPCM8XX
Add binding document and device tree binding
constants for Nuvoton BMC NPCM8XX reset controller.
Signed-off-by: Tomer Maimon <tmaimon77@...il.com>
---
.../bindings/reset/nuvoton,npcm-reset.txt | 17 ++-
.../dt-bindings/reset/nuvoton,npcm8xx-reset.h | 124 ++++++++++++++++++
2 files changed, 139 insertions(+), 2 deletions(-)
create mode 100644 include/dt-bindings/reset/nuvoton,npcm8xx-reset.h
diff --git a/Documentation/devicetree/bindings/reset/nuvoton,npcm-reset.txt b/Documentation/devicetree/bindings/reset/nuvoton,npcm-reset.txt
index cb1613092ee7..b7eb8615b68b 100644
--- a/Documentation/devicetree/bindings/reset/nuvoton,npcm-reset.txt
+++ b/Documentation/devicetree/bindings/reset/nuvoton,npcm-reset.txt
@@ -1,14 +1,15 @@
Nuvoton NPCM Reset controller
Required properties:
-- compatible : "nuvoton,npcm750-reset" for NPCM7XX BMC
+- compatible : "nuvoton,npcm750-reset" for Poleg NPCM7XX BMC.
+ "nuvoton,npcm845-reset" for Arbel NPCM8XX BMC.
- reg : specifies physical base address and size of the register.
- #reset-cells: must be set to 2
- syscon: a phandle to access GCR registers.
Optional property:
- nuvoton,sw-reset-number - Contains the software reset number to restart the SoC.
- NPCM7xx contain four software reset that represent numbers 1 to 4.
+ NPCM7xx and NPCM8xx contain four software reset that represent numbers 1 to 4.
If 'nuvoton,sw-reset-number' is not specified software reset is disabled.
@@ -32,3 +33,15 @@ example:
};
The index could be found in <dt-bindings/reset/nuvoton,npcm7xx-reset.h>.
+
+Specifying reset lines connected to IP NPCM8XX modules
+======================================================
+example:
+
+ spi0: spi@..... {
+ ...
+ resets = <&rstc NPCM8XX_RESET_IPSRST2 NPCM8XX_RESET_PSPI1>;
+ ...
+ };
+
+The index could be found in <dt-bindings/reset/nuvoton,npcm8xx-reset.h>.
diff --git a/include/dt-bindings/reset/nuvoton,npcm8xx-reset.h b/include/dt-bindings/reset/nuvoton,npcm8xx-reset.h
new file mode 100644
index 000000000000..4b832a0fd1dd
--- /dev/null
+++ b/include/dt-bindings/reset/nuvoton,npcm8xx-reset.h
@@ -0,0 +1,124 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+// Copyright (c) 2022 Nuvoton Technology corporation.
+
+#ifndef _DT_BINDINGS_NPCM8XX_RESET_H
+#define _DT_BINDINGS_NPCM8XX_RESET_H
+
+#define NPCM8XX_RESET_IPSRST1 0x20
+#define NPCM8XX_RESET_IPSRST2 0x24
+#define NPCM8XX_RESET_IPSRST3 0x34
+#define NPCM8XX_RESET_IPSRST4 0x74
+
+/* Reset lines on IP1 reset module (NPCM8XX_RESET_IPSRST1) */
+#define NPCM8XX_RESET_GDMA0 3
+#define NPCM8XX_RESET_UDC1 5
+#define NPCM8XX_RESET_GMAC3 6
+#define NPCM8XX_RESET_UART_2_3 7
+#define NPCM8XX_RESET_UDC2 8
+#define NPCM8XX_RESET_PECI 9
+#define NPCM8XX_RESET_AES 10
+#define NPCM8XX_RESET_UART_0_1 11
+#define NPCM8XX_RESET_MC 12
+#define NPCM8XX_RESET_SMB2 13
+#define NPCM8XX_RESET_SMB3 14
+#define NPCM8XX_RESET_SMB4 15
+#define NPCM8XX_RESET_SMB5 16
+#define NPCM8XX_RESET_PWM_M0 18
+#define NPCM8XX_RESET_TIMER_0_4 19
+#define NPCM8XX_RESET_TIMER_5_9 20
+#define NPCM8XX_RESET_GMAC4 21
+#define NPCM8XX_RESET_UDC4 22
+#define NPCM8XX_RESET_UDC5 23
+#define NPCM8XX_RESET_UDC6 24
+#define NPCM8XX_RESET_UDC3 25
+#define NPCM8XX_RESET_ADC 27
+#define NPCM8XX_RESET_SMB6 28
+#define NPCM8XX_RESET_SMB7 29
+#define NPCM8XX_RESET_SMB0 30
+#define NPCM8XX_RESET_SMB1 31
+
+/* Reset lines on IP2 reset module (NPCM8XX_RESET_IPSRST2) */
+#define NPCM8XX_RESET_MFT0 0
+#define NPCM8XX_RESET_MFT1 1
+#define NPCM8XX_RESET_MFT2 2
+#define NPCM8XX_RESET_MFT3 3
+#define NPCM8XX_RESET_MFT4 4
+#define NPCM8XX_RESET_MFT5 5
+#define NPCM8XX_RESET_MFT6 6
+#define NPCM8XX_RESET_MFT7 7
+#define NPCM8XX_RESET_MMC 8
+#define NPCM8XX_RESET_GFX_SYS 10
+#define NPCM8XX_RESET_AHB_PCIBRG 11
+#define NPCM8XX_RESET_VDMA 12
+#define NPCM8XX_RESET_ECE 13
+#define NPCM8XX_RESET_VCD 14
+#define NPCM8XX_RESET_VIRUART1 16
+#define NPCM8XX_RESET_VIRUART2 17
+#define NPCM8XX_RESET_SIOX1 18
+#define NPCM8XX_RESET_SIOX2 19
+#define NPCM8XX_RESET_BT 20
+#define NPCM8XX_RESET_3DES 21
+#define NPCM8XX_RESET_PSPI2 23
+#define NPCM8XX_RESET_GMAC2 25
+#define NPCM8XX_RESET_USBH1 26
+#define NPCM8XX_RESET_GMAC1 28
+#define NPCM8XX_RESET_CP1 31
+
+/* Reset lines on IP3 reset module (NPCM8XX_RESET_IPSRST3) */
+#define NPCM8XX_RESET_PWM_M1 0
+#define NPCM8XX_RESET_SMB12 1
+#define NPCM8XX_RESET_SPIX 2
+#define NPCM8XX_RESET_SMB13 3
+#define NPCM8XX_RESET_UDC0 4
+#define NPCM8XX_RESET_UDC7 5
+#define NPCM8XX_RESET_UDC8 6
+#define NPCM8XX_RESET_UDC9 7
+#define NPCM8XX_RESET_USBHUB 8
+#define NPCM8XX_RESET_PCI_MAILBOX 9
+#define NPCM8XX_RESET_GDMA1 10
+#define NPCM8XX_RESET_GDMA2 11
+#define NPCM8XX_RESET_SMB14 12
+#define NPCM8XX_RESET_SHA 13
+#define NPCM8XX_RESET_SEC_ECC 14
+#define NPCM8XX_RESET_PCIE_RC 15
+#define NPCM8XX_RESET_TIMER_10_14 16
+#define NPCM8XX_RESET_RNG 17
+#define NPCM8XX_RESET_SMB15 18
+#define NPCM8XX_RESET_SMB8 19
+#define NPCM8XX_RESET_SMB9 20
+#define NPCM8XX_RESET_SMB10 21
+#define NPCM8XX_RESET_SMB11 22
+#define NPCM8XX_RESET_ESPI 23
+#define NPCM8XX_RESET_USB_PHY_1 24
+#define NPCM8XX_RESET_USB_PHY_2 25
+
+/* Reset lines on IP4 reset module (NPCM8XX_RESET_IPSRST4) */
+#define NPCM8XX_RESET_SMB16 0
+#define NPCM8XX_RESET_SMB17 1
+#define NPCM8XX_RESET_SMB18 2
+#define NPCM8XX_RESET_SMB19 3
+#define NPCM8XX_RESET_SMB20 4
+#define NPCM8XX_RESET_SMB21 5
+#define NPCM8XX_RESET_SMB22 6
+#define NPCM8XX_RESET_SMB23 7
+#define NPCM8XX_RESET_I3C0 8
+#define NPCM8XX_RESET_I3C1 9
+#define NPCM8XX_RESET_I3C2 10
+#define NPCM8XX_RESET_I3C3 11
+#define NPCM8XX_RESET_I3C4 12
+#define NPCM8XX_RESET_I3C5 13
+#define NPCM8XX_RESET_UART4 16
+#define NPCM8XX_RESET_UART5 17
+#define NPCM8XX_RESET_UART6 18
+#define NPCM8XX_RESET_PCIMBX2 19
+#define NPCM8XX_RESET_SMB24 22
+#define NPCM8XX_RESET_SMB25 23
+#define NPCM8XX_RESET_SMB26 24
+#define NPCM8XX_RESET_USBPHY3 25
+#define NPCM8XX_RESET_PCIRCPHY 27
+#define NPCM8XX_RESET_PWM_M2 28
+#define NPCM8XX_RESET_JTM1 29
+#define NPCM8XX_RESET_JTM2 30
+#define NPCM8XX_RESET_USBH2 31
+
+#endif
--
2.33.0
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