clk: mdm9615: Add EBI2 clock

Add definition of EBI2 clock used by MDM9615 NAND controller.

Cc: Andy Gross <andy.gross@linaro.org>
Cc: David Brown <david.brown@linaro.org>
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Stephen Boyd <sboyd@codeaurora.org>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: linux-arm-msm@vger.kernel.org
Cc: linux-soc@vger.kernel.org
Cc: linux-clk@vger.kernel.org
Cc: devicetree@vger.kernel.org
Signed-off-by: Zoran Markovic <zmarkovic@sierrawireless.com>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
[sboyd@codeaurora.org: ebi2_clk halt bit is 24 not 23]
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>

diff --git a/drivers/clk/qcom/gcc-mdm9615.c b/drivers/clk/qcom/gcc-mdm9615.c
index 581a17f..b99dd40 100644 (file)
--- a/drivers/clk/qcom/gcc-mdm9615.c
+++ b/drivers/clk/qcom/gcc-mdm9615.c
@@ -1563,6 +1563,34 @@ static struct clk_branch rpm_msg_ram_h_clk = {
        },
 };
 
+static struct clk_branch ebi2_clk = {
+       .hwcg_reg = 0x2664,
+       .hwcg_bit = 6,
+       .halt_reg = 0x2fcc,
+       .halt_bit = 24,
+       .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 @@ static struct clk_regmap *gcc_mdm9615_clks[] = {
        [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..787e448 100644 (file)
--- a/include/dt-bindings/clock/qcom,gcc-mdm9615.h
+++ b/include/dt-bindings/clock/qcom,gcc-mdm9615.h
@@ -323,5 +323,7 @@
 #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