linux-kernel - [RFC PATCHv2 2/4] clk: mdm9615: Add EBI2 clock

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Message-ID: <1482468884-31027-1-git-send-email-zmarkovic@sierrawireless.com>
Date:   Thu, 22 Dec 2016 20:54:44 -0800
From:   Zoran Markovic <zmarkovic@...rrawireless.com>
To:     <linux-kernel@...r.kernel.org>
CC:     Zoran Markovic <zmarkovic@...rrawireless.com>,
        Andy Gross <andy.gross@...aro.org>,
        David Brown <david.brown@...aro.org>,
        "Michael Turquette" <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...eaurora.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Neil Armstrong <narmstrong@...libre.com>,
        <linux-arm-msm@...r.kernel.org>, <linux-soc@...r.kernel.org>,
        <linux-clk@...r.kernel.org>, <devicetree@...r.kernel.org>
Subject: [RFC PATCHv2 2/4] clk: mdm9615: Add EBI2 clock

Add definition of EBI2 clock used by MDM9615 NAND controller.

Cc: Andy Gross <andy.gross@...aro.org>
Cc: David Brown <david.brown@...aro.org>
Cc: Michael Turquette <mturquette@...libre.com>
Cc: Stephen Boyd <sboyd@...eaurora.org>
Cc: Rob Herring <robh+dt@...nel.org>
Cc: Mark Rutland <mark.rutland@....com>
Cc: Neil Armstrong <narmstrong@...libre.com>
Cc: linux-arm-msm@...r.kernel.org
Cc: linux-soc@...r.kernel.org
Cc: linux-clk@...r.kernel.org
Cc: devicetree@...r.kernel.org
Signed-off-by: Zoran Markovic <zmarkovic@...rrawireless.com>
---
 drivers/clk/qcom/gcc-mdm9615.c               |   30 ++++++++++++++++++++++++++
 include/dt-bindings/clock/qcom,gcc-mdm9615.h |    3 +++
 2 files changed, 33 insertions(+)

diff --git a/drivers/clk/qcom/gcc-mdm9615.c b/drivers/clk/qcom/gcc-mdm9615.c
index 581a17f..e9e98b1 100644
--- a/drivers/clk/qcom/gcc-mdm9615.c
+++ b/drivers/clk/qcom/gcc-mdm9615.c
@@ -1563,6 +1563,34 @@ enum {
 	},
 };
 
+static struct clk_branch ebi2_clk = {
+	.hwcg_reg = 0x2664,
+	.hwcg_bit = 6,
+	.halt_reg = 0x2fcc,
+	.halt_bit = 23,
+	.clkr = {
+		.enable_reg = 0x2664,
+		.enable_mask = BIT(6) | BIT(4),
+		.hw.init = &(struct clk_init_data){
+			.name = "ebi2_clk",
+			.ops = &clk_branch_ops,
+		},
+	},
+};
+
+static struct clk_branch ebi2_aon_clk = {
+	.halt_reg = 0x2fcc,
+	.halt_bit = 23,
+	.clkr = {
+		.enable_reg = 0x2664,
+		.enable_mask = BIT(8),
+		.hw.init = &(struct clk_init_data){
+			.name = "ebi2_aon_clk",
+			.ops = &clk_branch_ops,
+		},
+	},
+};
+
 static struct clk_hw *gcc_mdm9615_hws[] = {
 	&cxo.hw,
 };
@@ -1637,6 +1665,8 @@ enum {
 	[PMIC_ARB1_H_CLK] = &pmic_arb1_h_clk.clkr,
 	[PMIC_SSBI2_CLK] = &pmic_ssbi2_clk.clkr,
 	[RPM_MSG_RAM_H_CLK] = &rpm_msg_ram_h_clk.clkr,
+	[EBI2_CLK] = &ebi2_clk.clkr,
+	[EBI2_AON_CLK] = &ebi2_aon_clk.clkr,
 };
 
 static const struct qcom_reset_map gcc_mdm9615_resets[] = {
diff --git a/include/dt-bindings/clock/qcom,gcc-mdm9615.h b/include/dt-bindings/clock/qcom,gcc-mdm9615.h
index 9ab2c40..57cdca6 100644
--- a/include/dt-bindings/clock/qcom,gcc-mdm9615.h
+++ b/include/dt-bindings/clock/qcom,gcc-mdm9615.h
@@ -323,5 +323,8 @@
 #define CE3_H_CLK				305
 #define USB_HS1_SYSTEM_CLK_SRC			306
 #define USB_HS1_SYSTEM_CLK			307
+#define EBI2_CLK				308
+#define EBI2_AON_CLK				309
+
 
 #endif
-- 
1.7.9.5