linux-kernel - [PATCH 1/2] clk: imx: imx7d: add the snvs clock

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Date:   Thu, 4 Jan 2018 23:06:41 +0800
From:   Anson Huang <Anson.Huang@....com>
To:     <linux-arm-kernel@...ts.infradead.org>,
        <linux-clk@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-imx@....com>
CC:     <shawnguo@...nel.org>, <kernel@...gutronix.de>,
        <fabio.estevam@....com>, <mturquette@...libre.com>,
        <sboyd@...eaurora.org>, <robh+dt@...nel.org>,
        <mark.rutland@....com>, <stefan@...er.ch>, <linux@...linux.org.uk>
Subject: [PATCH 1/2] clk: imx: imx7d: add the snvs clock

According to the i.MX7D Reference Manual,
SNVS block has a clock gate, accessing SNVS block
would need this clock gate to be enabled, add it
into clock tree so that SNVS module driver can
operate this clock gate.

Signed-off-by: Anson Huang <Anson.Huang@....com>
---
 drivers/clk/imx/clk-imx7d.c             | 1 +
 include/dt-bindings/clock/imx7d-clock.h | 3 ++-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/clk/imx/clk-imx7d.c b/drivers/clk/imx/clk-imx7d.c
index 992938b..a284c6f 100644
--- a/drivers/clk/imx/clk-imx7d.c
+++ b/drivers/clk/imx/clk-imx7d.c
@@ -799,6 +799,7 @@ static void __init imx7d_clocks_init(struct device_node *ccm_node)
 	clks[IMX7D_DRAM_PHYM_ALT_ROOT_CLK] = imx_clk_gate4("dram_phym_alt_root_clk", "dram_phym_alt_post_div", base + 0x4130, 0);
 	clks[IMX7D_DRAM_ALT_ROOT_CLK] = imx_clk_gate4("dram_alt_root_clk", "dram_alt_post_div", base + 0x4130, 0);
 	clks[IMX7D_OCOTP_CLK] = imx_clk_gate4("ocotp_clk", "ipg_root_clk", base + 0x4230, 0);
+	clks[IMX7D_SNVS_CLK] = imx_clk_gate4("snvs_clk", "ipg_root_clk", base + 0x4250, 0);
 	clks[IMX7D_USB_HSIC_ROOT_CLK] = imx_clk_gate4("usb_hsic_root_clk", "usb_hsic_post_div", base + 0x4420, 0);
 	clks[IMX7D_SDMA_CORE_CLK] = imx_clk_gate4("sdma_root_clk", "ahb_root_clk", base + 0x4480, 0);
 	clks[IMX7D_PCIE_CTRL_ROOT_CLK] = imx_clk_gate4("pcie_ctrl_root_clk", "pcie_ctrl_post_div", base + 0x4600, 0);
diff --git a/include/dt-bindings/clock/imx7d-clock.h b/include/dt-bindings/clock/imx7d-clock.h
index e2f99ae..dc51904 100644
--- a/include/dt-bindings/clock/imx7d-clock.h
+++ b/include/dt-bindings/clock/imx7d-clock.h
@@ -452,5 +452,6 @@
 #define IMX7D_OCOTP_CLK			439
 #define IMX7D_NAND_RAWNAND_CLK		440
 #define IMX7D_NAND_USDHC_BUS_RAWNAND_CLK 441
-#define IMX7D_CLK_END			442
+#define IMX7D_SNVS_CLK			442
+#define IMX7D_CLK_END			443
 #endif /* __DT_BINDINGS_CLOCK_IMX7D_H */
-- 
1.9.1