linux-kernel - [RESEND PATCH v3 4/4] clk: qcom: Add support to LPASS AON

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20201026120221.18984-5-srinivas.kandagatla@linaro.org>
Date:   Mon, 26 Oct 2020 12:02:21 +0000
From:   Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
To:     sboyd@...nel.org, linux-clk@...r.kernel.org,
        devicetree@...r.kernel.org
Cc:     bjorn.andersson@...aro.org, mturquette@...libre.com,
        robh+dt@...nel.org, linux-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Subject: [RESEND PATCH v3 4/4] clk: qcom: Add support to LPASS AON_CC Glitch Free Mux clocks

LPASS Always ON Clock controller has one GFM mux to control VA
and TX clocks to codec macro on LPASS.
This patch adds support to this mux.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
---
 drivers/clk/qcom/lpass-gfm-sm8250.c | 63 +++++++++++++++++++++++++++++
 1 file changed, 63 insertions(+)

diff --git a/drivers/clk/qcom/lpass-gfm-sm8250.c b/drivers/clk/qcom/lpass-gfm-sm8250.c
index 48a73dd97d0d..d366c7c2abc7 100644
--- a/drivers/clk/qcom/lpass-gfm-sm8250.c
+++ b/drivers/clk/qcom/lpass-gfm-sm8250.c
@@ -18,6 +18,7 @@
 #include <linux/platform_device.h>
 #include <linux/of_device.h>
 #include <dt-bindings/clock/qcom,sm8250-lpass-audiocc.h>
+#include <dt-bindings/clock/qcom,sm8250-lpass-aoncc.h>
 
 struct lpass_gfm {
 	struct device *dev;
@@ -65,6 +66,46 @@ static const struct clk_ops clk_gfm_ops = {
 	.determine_rate = __clk_mux_determine_rate,
 };
 
+static struct clk_gfm lpass_gfm_va_mclk = {
+	.mux_reg = 0x20000,
+	.mux_mask = BIT(0),
+	.hw.init = &(struct clk_init_data) {
+		.name = "VA_MCLK",
+		.ops = &clk_gfm_ops,
+		.flags = CLK_SET_RATE_PARENT | CLK_OPS_PARENT_ENABLE,
+		.num_parents = 2,
+		.parent_data = (const struct clk_parent_data[]){
+			{
+				.index = 0,
+				.fw_name = "LPASS_CLK_ID_TX_CORE_MCLK",
+			}, {
+				.index = 1,
+				.fw_name = "LPASS_CLK_ID_VA_CORE_MCLK",
+			},
+		},
+	},
+};
+
+static struct clk_gfm lpass_gfm_tx_npl = {
+	.mux_reg = 0x20000,
+	.mux_mask = BIT(0),
+	.hw.init = &(struct clk_init_data) {
+		.name = "TX_NPL",
+		.ops = &clk_gfm_ops,
+		.flags = CLK_SET_RATE_PARENT | CLK_OPS_PARENT_ENABLE,
+		.parent_data = (const struct clk_parent_data[]){
+			{
+				.index = 0,
+				.fw_name = "LPASS_CLK_ID_TX_CORE_NPL_MCLK",
+			}, {
+				.index = 1,
+				.fw_name = "LPASS_CLK_ID_VA_CORE_2X_MCLK",
+			},
+		},
+		.num_parents = 2,
+	},
+};
+
 static struct clk_gfm lpass_gfm_wsa_mclk = {
 	.mux_reg = 0x220d8,
 	.mux_mask = BIT(0),
@@ -145,6 +186,19 @@ static struct clk_gfm lpass_gfm_rx_npl = {
 	},
 };
 
+static struct clk_gfm *aoncc_gfm_clks[] = {
+	[LPASS_CDC_VA_MCLK]		= &lpass_gfm_va_mclk,
+	[LPASS_CDC_TX_NPL]		= &lpass_gfm_tx_npl,
+};
+
+static struct clk_hw_onecell_data aoncc_hw_onecell_data = {
+	.hws = {
+		[LPASS_CDC_VA_MCLK]	= &lpass_gfm_va_mclk.hw,
+		[LPASS_CDC_TX_NPL]	= &lpass_gfm_tx_npl.hw,
+	},
+	.num = ARRAY_SIZE(aoncc_gfm_clks),
+};
+
 static struct clk_gfm *audiocc_gfm_clks[] = {
 	[LPASS_CDC_WSA_NPL]		= &lpass_gfm_wsa_npl,
 	[LPASS_CDC_WSA_MCLK]		= &lpass_gfm_wsa_mclk,
@@ -172,6 +226,11 @@ static struct lpass_gfm_data audiocc_data = {
 	.gfm_clks = audiocc_gfm_clks,
 };
 
+static struct lpass_gfm_data aoncc_data = {
+	.onecell_data = &aoncc_hw_onecell_data,
+	.gfm_clks = aoncc_gfm_clks,
+};
+
 static int lpass_gfm_clk_driver_probe(struct platform_device *pdev)
 {
 	const struct lpass_gfm_data *data;
@@ -233,6 +292,10 @@ static int lpass_gfm_clk_driver_probe(struct platform_device *pdev)
 }
 
 static const struct of_device_id lpass_gfm_clk_match_table[] = {
+	{
+		.compatible = "qcom,sm8250-lpass-aoncc",
+		.data = &aoncc_data,
+	},
 	{
 		.compatible = "qcom,sm8250-lpass-audiocc",
 		.data = &audiocc_data,
-- 
2.21.0