linux-kernel - [PATCH v2 1/6] ARM: dra762: hwmod: Add MCAN support

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Date:   Wed, 30 May 2018 19:41:28 +0530
From:   Faiz Abbas <faiz_abbas@...com>
To:     <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-omap@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>, <linux-clk@...r.kernel.org>
CC:     <robh+dt@...nel.org>, <bcousson@...libre.com>, <tony@...mide.com>,
        <paul@...an.com>, <t-kristo@...com>, <faiz_abbas@...com>
Subject: [PATCH v2 1/6] ARM: dra762: hwmod: Add MCAN support

From: Lokesh Vutla <lokeshvutla@...com>

Add MCAN hwmod data and register it for dra762 silicons.

Signed-off-by: Lokesh Vutla <lokeshvutla@...com>
Signed-off-by: Faiz Abbas <faiz_abbas@...com>
---
 arch/arm/mach-omap2/omap_hwmod_7xx_data.c | 32 +++++++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/arch/arm/mach-omap2/omap_hwmod_7xx_data.c b/arch/arm/mach-omap2/omap_hwmod_7xx_data.c
index 62352d1e6361..a2cd7f865a60 100644
--- a/arch/arm/mach-omap2/omap_hwmod_7xx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_7xx_data.c
@@ -1355,6 +1355,29 @@ static struct omap_hwmod dra7xx_mailbox13_hwmod = {
 	},
 };
 
+/*
+ * 'mcan' class
+ *
+ */
+static struct omap_hwmod_class dra76x_mcan_hwmod_class = {
+	.name	= "mcan",
+};
+
+/* mcan */
+static struct omap_hwmod dra76x_mcan_hwmod = {
+	.name		= "mcan",
+	.class		= &dra76x_mcan_hwmod_class,
+	.clkdm_name	= "wkupaon_clkdm",
+	.main_clk	= "mcan_clk",
+	.prcm = {
+		.omap4 = {
+			.clkctrl_offs = DRA7XX_CM_WKUPAON_ADC_CLKCTRL_OFFSET,
+			.context_offs = DRA7XX_RM_WKUPAON_ADC_CONTEXT_OFFSET,
+			.modulemode   = MODULEMODE_SWCTRL,
+		},
+	},
+};
+
 /*
  * 'mcspi' class
  *
@@ -3818,6 +3841,14 @@ static struct omap_hwmod_ocp_if dra7xx_l4_per2__epwmss2 = {
 	.user		= OCP_USER_MPU,
 };
 
+/* l3_main_1 -> mcan */
+static struct omap_hwmod_ocp_if dra76x_l3_main_1__mcan = {
+	.master		= &dra7xx_l3_main_1_hwmod,
+	.slave		= &dra76x_mcan_hwmod,
+	.clk		= "l3_iclk_div",
+	.user		= OCP_USER_MPU | OCP_USER_SDMA,
+};
+
 static struct omap_hwmod_ocp_if *dra7xx_hwmod_ocp_ifs[] __initdata = {
 	&dra7xx_l3_main_1__dmm,
 	&dra7xx_l3_main_2__l3_instr,
@@ -3958,6 +3989,7 @@ static struct omap_hwmod_ocp_if *dra7xx_gp_hwmod_ocp_ifs[] __initdata = {
 /* SoC variant specific hwmod links */
 static struct omap_hwmod_ocp_if *dra76x_hwmod_ocp_ifs[] __initdata = {
 	&dra7xx_l4_per3__usb_otg_ss4,
+	&dra76x_l3_main_1__mcan,
 	NULL,
 };
 
-- 
2.17.0